This page displays last 20 Severe Weather Alerts issued by the National Weather Service
NOTE: Zoom in and out on each map using the "+" and "-" button located on each map.
2026-08-13 09:52:12
WUUS53 KDVN 131352
Severe Thunderstorm Warning
682
WUUS53 KDVN 131352
SVRDVN
IAC101-107-131445-
/O.NEW.KDVN.SV.W.0269.260813T1352Z-260813T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
852 AM CDT Thu Aug 13 2026
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Keokuk County in southeastern Iowa...
Western Jefferson County in southeastern Iowa...
* Until 945 AM CDT.
* At 851 AM CDT, severe thunderstorms were located along a line
extending from near Barnes City to near Ottumwa Industrial Airport
to near Blakesburg, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Fairfield, Sigourney, Hedrick, What Cheer, Richland, Batavia,
Delta, Libertyville, Maharishi Vedic City, Packwood, Harper,
Martinsburg, Hayesville, Abingdon, Keota, Ollie, Pekin, Jefferson
County Park, Collett, and Keokuk County Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
sturdy building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4141 9241 4142 9195 4114 9194 4090 9197
4090 9218 4116 9218 4116 9241
TIME...MOT...LOC 1351Z 275DEG 33KT 4155 9243 4115 9240 4099 9259
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 09:48:25
WUUS53 KDMX 131348
Severe Thunderstorm Warning
599
WUUS53 KDMX 131348
SVRDMX
IAC123-179-131430-
/O.NEW.KDMX.SV.W.0324.260813T1348Z-260813T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
848 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Central Wapello County in southeastern Iowa...
Southeastern Mahaska County in south central Iowa...
* Until 930 AM CDT.
* At 847 AM CDT, a severe thunderstorm was located over Kirkville, or
10 miles north of Ottumwa, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Ottumwa, Ottumwa Industrial Airport, Eldon, Fremont, Agency,
Kirkville, Chillicothe, and Oskaloosa Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4107 9260 4128 9251 4128 9241 4116 9241
4116 9218 4090 9218
TIME...MOT...LOC 1347Z 292DEG 29KT 4117 9247
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 08:45:32
WGUS51 KRLX 131245
Flash Flood Warning
271
WGUS51 KRLX 131245
FFWRLX
VAC051-131545-
/O.NEW.KRLX.FF.W.0135.260813T1245Z-260813T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
845 AM EDT Thu Aug 13 2026
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
Western Dickenson County in southwestern Virginia...
* Until 1145 AM EDT.
* At 845 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 2 inches of rain have
fallen. Additional rainfall amounts up to 1 inch are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Clintwood, Clinchco, McClure and Nora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Report flooding to the National Weather Service by calling toll free,
800 401 9535, when you can do so safely.
&&
LAT...LON 3724 8245 3708 8231 3702 8248 3703 8248
3705 8249 3706 8249 3713 8255 3720 8255
3721 8253 3721 8252 3722 8250 3723 8250
3723 8248 3724 8246
FLASH FLOOD...RADAR INDICATED
2026-08-13 08:39:51
WGUS54 KMRX 131239
Flash Flood Warning
742
WGUS54 KMRX 131239
FFWMRX
VAC195-131545-
/O.NEW.KMRX.FF.W.0066.260813T1239Z-260813T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Morristown TN
839 AM EDT Thu Aug 13 2026
The National Weather Service in Morristown has issued a
* Flash Flood Warning for...
North Central Wise County in southwestern Virginia...
* Until 1145 AM EDT.
* At 839 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts up to 0.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Pound.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3712 8272 3714 8268 3714 8266 3715 8266
3715 8263 3720 8255 3713 8255 3706 8250
3705 8249 3704 8249 3703 8248 3702 8248
3705 8262
FLASH FLOOD...RADAR INDICATED
2026-08-13 08:30:35
WGUS53 KJKL 131230
Flash Flood Warning
733
WGUS53 KJKL 131230
FFWJKL
KYC133-131530-
/O.NEW.KJKL.FF.W.0047.260813T1230Z-260813T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson KY
830 AM EDT Thu Aug 13 2026
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Northeastern Letcher County in southeastern Kentucky...
* Until 1130 AM EDT.
* At 830 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Additional rainfall amounts up to 1 inch are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Jenkins, Fleming-Neon, Chip, Neon Junction, Seco, Whitaker, Horn,
Tolliver Town, Baker, Cromona, Craftsville, Hemphill, Haymond,
Millstone, Thornton, Wright, Ehkhorn Mine, Lowndes, Winters and
Potters Fork.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3711 8273 3721 8286 3726 8277 3719 8257
3717 8262 3715 8263 3715 8265 3714 8266
3714 8268 3712 8272
FLASH FLOOD...RADAR INDICATED
2026-08-13 08:11:31
WUUS53 KDMX 131211
Severe Thunderstorm Warning
590
WUUS53 KDMX 131211
SVRDMX
IAC099-127-157-169-171-131300-
/O.NEW.KDMX.SV.W.0323.260813T1211Z-260813T1300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
711 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Western Poweshiek County in central Iowa...
Southeastern Story County in central Iowa...
Marshall County in central Iowa...
Southwestern Tama County in central Iowa...
Jasper County in central Iowa...
* Until 800 AM CDT.
* At 711 AM CDT, severe thunderstorms were located along a line
extending from Colo to Baxter to near Runnells, moving east at 40
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Marshalltown, Newton, Grinnell, Tama, Colfax, Monroe, Prairie City,
State Center, Baxter, Iowa Speedway, Meskwaki Casino, Rock Creek
Lake, Le Grand, Colo, Melbourne, Sully, Kellogg, Gilman, Lynnville,
and Rhodes.
This includes Interstate 80 between mile markers 153 and 190.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4208 9274 4186 9246 4151 9270 4152 9333
4184 9326 4207 9336
TIME...MOT...LOC 1211Z 269DEG 36KT 4204 9330 4184 9314 4153 9330
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 07:48:52
WFUS53 KDMX 131148
Tornado Warning
659
WFUS53 KDMX 131148
TORDMX
IAC099-127-153-169-131215-
/O.NEW.KDMX.TO.W.0078.260813T1148Z-260813T1215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
648 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Northeastern Polk County in central Iowa...
Southeastern Story County in central Iowa...
Western Marshall County in central Iowa...
Northwestern Jasper County in central Iowa...
* Until 715 AM CDT.
* At 648 AM CDT, a tornado producing storm was located over Maxwell,
or 8 miles south of Nevada, moving northeast at 70 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic storm will be near...
State Center, Colo, and Collins around 655 AM CDT.
Clemons around 705 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Collins, Rhodes, St. Anthony, Maxwell, Clemons, Cambridge, and Colo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4183 9346 4190 9354 4220 9317 4189 9310
TIME...MOT...LOC 1148Z 231DEG 62KT 4190 9341
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
2026-08-13 07:44:17
WFUS53 KDMX 131144
Tornado Warning
227
WFUS53 KDMX 131144
TORDMX
IAC127-169-131215-
/O.NEW.KDMX.TO.W.0077.260813T1144Z-260813T1215Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
644 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Central Story County in central Iowa...
Northwestern Marshall County in central Iowa...
* Until 715 AM CDT.
* At 643 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Kelley, or 5 miles south of Ames, moving northeast
at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Ames, Nevada, Iowa State Center, and Ames Municipal Airport around
650 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Zearing, Kelley, McCallsburg, Ames Municipal Airport, and Colo.
This includes Interstate 35 between mile markers 106 and 124.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4190 9362 4194 9369 4218 9361 4219 9323
4196 9334
TIME...MOT...LOC 1143Z 223DEG 32KT 4195 9363
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
2026-08-13 07:27:19
WUUS53 KDMX 131127
Severe Thunderstorm Warning
093
WUUS53 KDMX 131127
SVRDMX
IAC015-049-099-127-153-169-131215-
/O.NEW.KDMX.SV.W.0322.260813T1127Z-260813T1215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
627 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Polk County in central Iowa...
Story County in central Iowa...
Western Marshall County in central Iowa...
Northwestern Jasper County in central Iowa...
Eastern Boone County in central Iowa...
Eastern Dallas County in central Iowa...
* Until 715 AM CDT.
* At 626 AM CDT, severe thunderstorms were located along a line
extending from near Boone to Big Creek State Park to 4 miles north
of Earlham, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Des Moines, Ames, West Des Moines, Ankeny, Urbandale, Johnston,
Clive, Altoona, Waukee, Boone, Pleasant Hill, Grimes, Nevada, Adel,
Windsor Heights, Carlisle, Bondurant, Polk City, Huxley, and
Saylorville.
This includes the following highways...
Interstate 35 between mile markers 68 and 72, and between mile
markers 87 and 121.
Interstate 80 between mile markers 107 and 160.
Interstate 235 between mile markers 1 and 14.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4217 9316 4183 9296 4152 9336 4152 9412
4182 9394 4212 9405
TIME...MOT...LOC 1126Z 268DEG 48KT 4205 9393 4183 9377 4155 9413
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 06:51:54
WUUS53 KDMX 131051
Severe Thunderstorm Warning
801
WUUS53 KDMX 131051
SVRDMX
IAC015-027-049-073-077-153-131130-
/O.NEW.KDMX.SV.W.0321.260813T1051Z-260813T1130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
551 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Northwestern Polk County in central Iowa...
Greene County in west central Iowa...
Guthrie County in west central Iowa...
Boone County in central Iowa...
Southeastern Carroll County in west central Iowa...
Dallas County in central Iowa...
* Until 630 AM CDT.
* At 551 AM CDT, severe thunderstorms were located along a line
extending from 4 miles north of Carroll to 5 miles south of
Jefferson to near Adair, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
West Des Moines, Urbandale, Clive, Waukee, Boone, Grimes, Perry,
Jefferson, Adel, Guthrie Center, Madrid, Ogden, Dallas Center,
Granger, Panora, De Soto, Woodward, Van Meter, Lake Panorama, and
Big Creek Lake.
This includes Interstate 80 between mile markers 111 and 120.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4191 9464 4205 9467 4219 9371 4193 9370
4152 9383 4158 9470 4160 9470 4160 9471
TIME...MOT...LOC 1051Z 265DEG 49KT 4213 9488 4193 9438 4155 9466
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 06:46:58
WFUS53 KDMX 131046
Tornado Warning
357
WFUS53 KDMX 131046
TORDMX
IAC073-131115-
/O.NEW.KDMX.TO.W.0076.260813T1046Z-260813T1115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
546 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Greene County in west central Iowa...
* Until 615 AM CDT.
* At 546 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Scranton, or 10 miles west of Jefferson, moving
northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Scranton and Ralston around 550 AM CDT.
Churdan around 600 AM CDT.
Other locations impacted by this tornadic thunderstorm include Dana,
Churdan, Grand Junction, Paton, Scranton, Jefferson Municipal
Airport, Rippey, and Ralston.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4192 9451 4199 9462 4220 9462 4220 9417
4194 9418
TIME...MOT...LOC 1046Z 226DEG 32KT 4200 9458
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
2026-08-13 06:30:20
WFUS53 KDMX 131030
Tornado Warning
296
WFUS53 KDMX 131030
TORDMX
IAC027-131100-
/O.NEW.KDMX.TO.W.0075.260813T1030Z-260813T1100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
530 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Northern Carroll County in west central Iowa...
* Until 600 AM CDT.
* At 529 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Halbur, or near Carroll, moving northeast at 35
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Carroll and Swan Lake State Park around 535 AM CDT.
Lidderdale around 540 AM CDT.
Other locations impacted by this tornadic thunderstorm include Hobbs
County Park, Lidderdale, Breda, Halbur, Lanesboro, Swan Lake State
Park, and Arcadia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4198 9492 4203 9504 4220 9504 4220 9465
TIME...MOT...LOC 1029Z 215DEG 31KT 4205 9495
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
2026-08-13 06:25:59
WGUS53 KOAX 131025
Flash Flood Warning
494
WGUS53 KOAX 131025
FFWOAX
IAC133-NEC173-131330-
/O.NEW.KOAX.FF.W.0031.260813T1025Z-260813T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Omaha/Valley NE
525 AM CDT Thu Aug 13 2026
The National Weather Service in Omaha/Valley has issued a
* Flash Flood Warning for...
Northern Monona County in west central Iowa...
Thurston County in northeastern Nebraska...
* Until 830 AM CDT.
* At 525 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 5 inches of rain
have fallen, with much of it falling in less than an hour.
Additional rainfall amounts up to 1 inch are possible in the warned
area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Onawa, Mapleton, Walthill, Whiting, Ute, Rosalie, Castana,
Thurston, Macy, Rodney, Lewis And Clark State Park, Kennebec, Omaha
Reservation and Winnebago Reservation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4223 9676 4222 9635 4221 9634 4221 9567
4205 9567 4203 9622 4204 9623 4204 9625
4205 9627 4205 9631 4202 9631 4202 9655
4206 9656 4209 9656 4209 9662
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
2026-08-13 06:20:59
WGUS55 KTWC 131020
Flash Flood Warning
015
WGUS55 KTWC 131020
FFWTWC
AZC019-131315-
/O.NEW.KTWC.FF.W.0133.260813T1020Z-260813T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
320 AM MST Thu Aug 13 2026
The National Weather Service in Tucson has issued a
* Flash Flood Warning for...
Eastern Pima County in southeastern Arizona...
* Until 615 AM MST.
* At 320 AM MST, Pima County Regional Flood Control District reported
flash flooding on the Tanque Verde and Aqua Caliente Washes from
heavy rain this morning that has lead to significant rises in these
washers. Between 1 and 3 inches of rain has been recorded this
morning. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Emergency management reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Tanque Verde and Saguaro National Park East.
This includes the following streams and drainages...
Agua Caliente Wash, Deer Creek, Chimney Rock Creek, Tanque Verde
Wash, Bear Creek and Rincon Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Remain alert for flooding even in locations not receiving rain.
Washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3232 11050 3231 11048 3225 11048 3222 11053
3219 11065 3225 11073 3229 11072 3232 11060
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
2026-08-13 06:14:38
WGUS51 KOKX 131014
Flash Flood Warning
971
WGUS51 KOKX 131014
FFWOKX
NYC103-131315-
/O.NEW.KOKX.FF.W.0043.260813T1014Z-260813T1315Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
614 AM EDT Thu Aug 13 2026
The National Weather Service in Upton has issued a
* Flash Flood Warning for...
Eastern Suffolk County in southeastern New York...
* Until 915 AM EDT.
* At 614 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
Additional rainfall amounts of 1 to 3 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Southold, Mattituck, Sag Harbor, Bridgehampton, Plum Island,
Gardiners Island, Noyack, Montauk Point, Shelter Island, Greenport,
East Hampton, Peconic, Hither Hills State Park, Springs, North Sea,
Cutchogue, Montauk, Water Mill, North Haven and Orient.
This includes the following streams and drainages...
Atlantic Ocean.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4101 7262 4115 7237 4119 7222 4119 7215
4110 7230 4106 7227 4105 7219 4108 7217
4104 7213 4108 7213 4110 7217 4114 7214
4111 7208 4107 7207 4101 7210 4109 7195
4108 7186 4106 7185 4088 7232
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
2026-08-13 06:10:08
WUUS53 KDMX 131009
Severe Thunderstorm Warning
490
WUUS53 KDMX 131009
SVRDMX
IAC009-027-047-073-077-131100-
/O.NEW.KDMX.SV.W.0320.260813T1009Z-260813T1100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
509 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Western Greene County in west central Iowa...
Guthrie County in west central Iowa...
Audubon County in west central Iowa...
Southeastern Crawford County in west central Iowa...
Carroll County in west central Iowa...
* Until 600 AM CDT.
* At 508 AM CDT, severe thunderstorms were located along a line
extending from near Denison to near Aspinwall to 4 miles north of
Prairie Rose State Park, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated. At 505 AM, 55 mph wind gust was reported
Harlan.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Carroll, Denison, Jefferson, Audubon, Guthrie Center, Manning, Coon
Rapids, Glidden, Lake Panorama, Exira, Manilla, Elk Horn, Scranton,
Arcadia, Bayard, Vail, Churdan, Templeton, Menlo, and Kimballton.
This replaces the earlier Severe Thunderstorm Warning issued for
this area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4202 9552 4219 9440 4152 9438 4160 9509
4186 9509 4186 9536
TIME...MOT...LOC 1008Z 262DEG 47KT 4203 9528 4187 9512 4166 9524
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 05:44:48
WFUS53 KDMX 130944
Tornado Warning
970
WFUS53 KDMX 130944
TORDMX
IAC027-047-131015-
/O.NEW.KDMX.TO.W.0074.260813T0944Z-260813T1015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
444 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Central Crawford County in west central Iowa...
Northwestern Carroll County in west central Iowa...
* Until 515 AM CDT.
* At 444 AM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles south of Charter Oak, or 13 miles west of
Denison, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Denison around 455 AM CDT.
Deloit around 500 AM CDT.
Other locations impacted by this tornadic thunderstorm include Kiron,
Charter Oak, Deloit, Vail, Westside, Schleswig, Denison Municipal
Airport, and Arion.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4221 9547 4221 9509 4205 9510 4190 9564
4196 9567 4201 9567
TIME...MOT...LOC 0944Z 237DEG 47KT 4198 9561
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
2026-08-13 05:29:31
WUUS53 KDMX 130929
Severe Thunderstorm Warning
204
WUUS53 KDMX 130929
SVRDMX
IAC047-131015-
/O.NEW.KDMX.SV.W.0319.260813T0929Z-260813T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
429 AM CDT Thu Aug 13 2026
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Southern Crawford County in west central Iowa...
* Until 515 AM CDT.
* At 429 AM CDT, a severe thunderstorm was located near Pisgah, or 19
miles east of Tekamah, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Denison, Manilla, Dow City, Arion, Buck Grove, Aspinwall, and
Denison Municipal Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4200 9567 4206 9510 4186 9510 4187 9567
TIME...MOT...LOC 0929Z 263DEG 46KT 4182 9586
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 05:28:16
WUUS53 KOAX 130927
Severe Thunderstorm Warning
432
WUUS53 KOAX 130927
SVROAX
IAC085-133-165-131015-
/O.NEW.KOAX.SV.W.0352.260813T0927Z-260813T1015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
427 AM CDT Thu Aug 13 2026
The National Weather Service in Omaha has issued a
* Severe Thunderstorm Warning for...
Southeastern Monona County in west central Iowa...
Northeastern Harrison County in southwestern Iowa...
Shelby County in southwestern Iowa...
* Until 515 AM CDT.
* At 427 AM CDT, severe thunderstorms were located along a line
extending from 5 miles northwest of Moorhead to 4 miles east of
Pisgah to 3 miles south of Magnolia, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Logan, Woodbine, Dunlap, Moorhead, and Soldier around 435 AM CDT.
Earling and Panama around 445 AM CDT.
Other locations in the path of these severe thunderstorms include
Defiance, Harlan and Irwin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4163 9593 4181 9593 4197 9598 4200 9567
4186 9567 4186 9510 4165 9509
TIME...MOT...LOC 0927Z 271DEG 45KT 4196 9595 4182 9583 4164 9588
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-13 05:16:20
WGUS55 KSLC 130916
Flash Flood Warning
313
WGUS55 KSLC 130916
FFWSLC
UTC025-053-131215-
/O.NEW.KSLC.FF.W.0073.260813T0916Z-260813T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Salt Lake City UT
316 AM MDT Thu Aug 13 2026
The National Weather Service in Salt Lake City has issued a
* Flash Flood Warning for...
West Central Kane County in southern Utah...
East Central Washington County in southwestern Utah...
* Until 615 AM MDT.
* At 316 AM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.25 and 0.5 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Zion National Park.
The Narrows, the Subway, Behunin Canyon, Keyhole, Pine and Spry Slot
Canyons and all other slot canyons and normally dry washes in the
area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Remain alert for flooding even in locations not receiving rain. Dry
washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3711 11290 3711 11293 3735 11311 3744 11286
3714 11271
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE