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.
2026-08-30 21:32:43
WUUS55 KPSR 310132
Severe Thunderstorm Warning
173
WUUS55 KPSR 310132
SVRPSR
AZC013-310200-
/O.NEW.KPSR.SV.W.0099.260831T0132Z-260831T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
632 PM MST Sun Aug 30 2026
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for...
Maricopa County in south central Arizona...
* Until 700 PM MST.
* At 632 PM MST, a severe thunderstorm was located 17 miles northwest
of Hickiwan, or 21 miles northeast of Ajo, moving northeast at 15
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
Maricopa County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3253 11275 3276 11262 3266 11232 3250 11249
3250 11268
TIME...MOT...LOC 0132Z 208DEG 14KT 3259 11261
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 21:08:49
WGUS55 KTWC 310108
Flash Flood Warning
917
WGUS55 KTWC 310108
FFWTWC
AZC019-310415-
/O.NEW.KTWC.FF.W.0171.260831T0108Z-260831T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
608 PM MST Sun Aug 30 2026
The National Weather Service in Tucson has issued a
* Flash Flood Warning for...
North Central Pima County in southeastern Arizona...
* Until 915 PM MST.
* At 608 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 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...
Hickiwan and Charco 27.
This includes Route 86 between mile markers 59 and 69.
This includes the following streams and drainages...
Hickiwan Wash, Gunsight Wash, Sikort Chuapo Wash and San Simon
Wash.
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.
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 3248 11258 3219 11268 3215 11251 3243 11241
FLASH FLOOD...RADAR INDICATED
2026-08-30 21:07:39
WUUS55 KTWC 310107
Severe Thunderstorm Warning
144
WUUS55 KTWC 310107
SVRTWC
AZC019-310145-
/O.NEW.KTWC.SV.W.0244.260831T0107Z-260831T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
607 PM MST Sun Aug 30 2026
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
Northwestern Pima County in southeastern Arizona...
* Until 645 PM MST.
* At 607 PM MST, a severe thunderstorm was located near Hickiwan,
moving north at 5 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Hickiwan, San Simon, Why, Gunsight, Charco 27, Vaya Chin and San
Simon West.
This includes the following highways...
Route 85 between mile markers 51 and 53. Route 86 between mile
markers 53 and 77.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. Seek
shelter immediately inside a sturdy structure and stay away from
windows.
Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3215 11235 3220 11273 3250 11281 3251 11255
3251 11232
TIME...MOT...LOC 0107Z 167DEG 5KT 3228 11254
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 21:00:39
WGUS55 KTWC 310100
Flash Flood Warning
300
WGUS55 KTWC 310100
FFWTWC
AZC019-310400-
/O.NEW.KTWC.FF.W.0170.260831T0100Z-260831T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
600 PM MST Sun Aug 30 2026
The National Weather Service in Tucson has issued a
* Flash Flood Warning for...
North Central Pima County in southeastern Arizona...
* Until 900 PM MST.
* At 600 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 1 to 2 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...
Santa Rosa, Covered Wells, Palo Verde Stand, Ak Chin, Cababi, Sil
Nakya, San Luis - Sells District, San Luis, Rincon and Sikul
Himathk.
This includes Route 86 between mile markers 90 and 97.
This includes the following Flash Flood Prone Locations...
Sil Nakya Wash at Route 34.
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.
Washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 3235 11196 3236 11211 3225 11218 3214 11215
3208 11202 3206 11184 3218 11177 3234 11181
FLASH FLOOD...RADAR INDICATED
2026-08-30 20:56:18
WUUS53 KABR 310056
Severe Thunderstorm Warning
610
WUUS53 KABR 310056
SVRABR
SDC021-031-041-129-310145-
/O.NEW.KABR.SV.W.0262.260831T0056Z-260831T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
756 PM CDT Sun Aug 30 2026
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Campbell County in north central South Dakota...
Eastern Corson County in north central South Dakota...
Northeastern Dewey County in north central South Dakota...
Walworth County in north central South Dakota...
* Until 845 PM CDT /745 PM MDT/.
* At 756 PM CDT /656 PM MDT/, severe thunderstorms were located along
a line from 9 miles north of Kenel to 7 miles northwest of Laplant,
or along a line from 21 miles northwest of Herreid to 22 miles
southeast of Timber Lake, moving east at 45 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Mobridge, Revheim Bay Rec Area, Promise, Indian Memorial Rec Area,
Kenel, Grand River Casino and Wakpala around 800 PM CDT.
Pollock and Indian Creek Rec Area around 805 PM CDT.
Blackfoot and Glenham around 810 PM CDT.
New Evarts Resort and Herreid around 815 PM CDT.
Mound City and Swan Creek Rec Area around 820 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.
Report severe weather to your nearest law enforcement agency or the
National Weather Service office in Aberdeen SD.
&&
LAT...LON 4525 10101 4551 10080 4568 10076 4594 10076
4594 9972 4559 9972 4559 9971 4543 9977
4525 9995 4525 10026 4524 10026
TIME...MOT...LOC 0055Z 266DEG 38KT 4599 10046 4567 10045 4545 10054
4523 10073
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:45:12
WUUS55 KGJT 310044
Severe Thunderstorm Warning
462
WUUS55 KGJT 310044
SVRGJT
COC029-310115-
/O.NEW.KGJT.SV.W.0020.260831T0044Z-260831T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Junction CO
644 PM MDT Sun Aug 30 2026
The National Weather Service in Grand Junction has issued a
* Severe Thunderstorm Warning for...
Southwestern Delta County in west central Colorado...
* Until 715 PM MDT.
* At 644 PM MDT, a severe thunderstorm was located near Delta, or 27
miles northwest of Montrose, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Delta, Orchard City, Cedaredge, Hotchkiss, Lazear, Cory, Eckert,
and Austin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3876 10818 3886 10820 3899 10776 3877 10771
TIME...MOT...LOC 0044Z 257DEG 39KT 3882 10810
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:44:02
WUUS55 KTWC 310043
Severe Thunderstorm Warning
664
WUUS55 KTWC 310043
SVRTWC
AZC019-310130-
/O.NEW.KTWC.SV.W.0243.260831T0043Z-260831T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
543 PM MST Sun Aug 30 2026
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
West Central Pima County in southeastern Arizona...
* Until 630 PM MST.
* At 543 PM MST, a severe thunderstorm was located 7 miles southeast
of GuVo, moving north at 5 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Pisinemo, GuVo, Pia Oik, Santa Cruz and KuKatch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. Seek
shelter immediately inside a sturdy structure and stay away from
windows.
Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3187 11229 3189 11270 3220 11269 3213 11222
TIME...MOT...LOC 0043Z 185DEG 4KT 3201 11247
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:42:01
WUUS53 KBIS 310041
Severe Thunderstorm Warning
627
WUUS53 KBIS 310041
SVRBIS
NDC015-029-059-085-310130-
/O.NEW.KBIS.SV.W.0321.260831T0041Z-260831T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
741 PM CDT Sun Aug 30 2026
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Burleigh County in south central North Dakota...
Emmons County in south central North Dakota...
Eastern Morton County in south central North Dakota...
Eastern Sioux County in south central North Dakota...
* Until 830 PM CDT /730 PM MDT/.
* At 741 PM CDT /641 PM MDT/, severe thunderstorms were located along
a line from over Wilton to 9 miles southwest of Fort Yates, or
along a line from 21 miles north of Mandan to 31 miles southwest of
Linton, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bismarck, Mandan, Linton, Lincoln, Wilton, Strasburg, Hazelton,
Fort Yates, Menoken, Wing, Sterling, Solen, Hague, Westfield,
Cannon Ball, Regan, Braddock, Prairie Knights Resort, St. Anthony
and Driscoll.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.
&&
LAT...LON 4698 10094 4703 10088 4709 10094 4716 10094
4716 10011 4698 10011 4698 10008 4663 10008
4663 9992 4628 9992 4628 9988 4594 9988
4594 10091
TIME...MOT...LOC 0041Z 267DEG 40KT 4712 10080 4661 10073 4598 10074
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:19:42
WUUS55 KPSR 310019
Severe Thunderstorm Warning
898
WUUS55 KPSR 310019
SVRPSR
AZC012-310045-
/O.NEW.KPSR.SV.W.0098.260831T0019Z-260831T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
519 PM MST Sun Aug 30 2026
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for...
North central La Paz County in west central Arizona...
* Until 545 PM MST.
* At 519 PM MST, a severe thunderstorm was located 13 miles southeast
of Buckskin Mountain Park, or 15 miles southeast of Parker Dam,
moving northeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
north central La Paz County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3423 11384 3423 11377 3424 11373 3422 11371
3400 11393 3403 11408 3426 11398 3425 11390
3426 11386
TIME...MOT...LOC 0019Z 209DEG 15KT 3413 11395
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:16:07
WUUS55 KGJT 310015
Severe Thunderstorm Warning
221
WUUS55 KGJT 310015
SVRGJT
COC029-077-310045-
/O.NEW.KGJT.SV.W.0019.260831T0015Z-260831T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Junction CO
615 PM MDT Sun Aug 30 2026
The National Weather Service in Grand Junction has issued a
* Severe Thunderstorm Warning for...
Southwestern Delta County in west central Colorado...
Central Mesa County in west central Colorado...
* Until 645 PM MDT.
* At 615 PM MDT, a severe thunderstorm was located 19 miles south of
Grand Junction, moving east at 40 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Delta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3868 10855 3888 10866 3908 10819 3876 10804
TIME...MOT...LOC 0015Z 250DEG 36KT 3882 10847
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:05:35
WUUS55 KPUB 310005
Severe Thunderstorm Warning
833
WUUS55 KPUB 310005
SVRPUB
COC009-099-310030-
/O.NEW.KPUB.SV.W.0310.260831T0005Z-260831T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
605 PM MDT Sun Aug 30 2026
The National Weather Service in Pueblo has issued a
* Severe Thunderstorm Warning for...
Southeastern Prowers County in southeastern Colorado...
Northeastern Baca County in southeastern Colorado...
* Until 630 PM MDT.
* At 605 PM MDT, a severe thunderstorm was located 9 miles east of
Two Buttes, or 15 miles northwest of The Saunders Elevator, moving
east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
southeastern Prowers and northeastern Baca Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3751 10234 3767 10236 3781 10205 3780 10204
3752 10204
TIME...MOT...LOC 0005Z 254DEG 24KT 3761 10224
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 20:04:20
WUUS55 KTWC 310004
Severe Thunderstorm Warning
822
WUUS55 KTWC 310004
SVRTWC
AZC019-310045-
/O.NEW.KTWC.SV.W.0242.260831T0004Z-260831T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
504 PM MST Sun Aug 30 2026
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
Central Pima County in southeastern Arizona...
* Until 545 PM MST.
* At 504 PM MST, a severe thunderstorm was located 12 miles southwest
of Pisinemo, moving north at 5 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Santa Cruz.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. Seek
shelter immediately inside a sturdy structure and stay away from
windows.
Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3174 11236 3180 11255 3203 11243 3197 11224
TIME...MOT...LOC 0003Z 185DEG 4KT 3188 11240
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 19:58:23
WGUS55 KGJT 302358
Flash Flood Warning
569
WGUS55 KGJT 302358
FFWGJT
COC077-310200-
/O.NEW.KGJT.FF.W.0102.260830T2358Z-260831T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Grand Junction CO
558 PM MDT Sun Aug 30 2026
The National Weather Service in Grand Junction has issued a
* Flash Flood Warning for...
The northwest side of the Turner Gulch Fire Scar burn scar in...
Southwestern Mesa County in west central Colorado...
* Until 800 PM MDT.
* At 558 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the northwest side of the Turner Gulch Fire Scar
Burn Scar. Between 0.5 and 1 inch of rain has fallen. The expected
rainfall rate is 3 inches in 20 minutes. Flash flooding is ongoing
or expected to begin shortly. Excessive rainfall over the burn scar
will result in debris flow moving through the West Creek. The
debris flow can consist of rock, mud, vegetation and other loose
materials.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the northwest side of the
Turner Gulch Fire Scar Burn Scar.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
northwest side of the Turner Gulch Fire Scar Burn Scar.
* Some locations that will experience flash flooding include...
Mainly rural areas of Southwestern Mesa County.
This includes the following streams and drainages...
Ute Creek, North Fork West Creek and West Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and ditches
in the northwest side of the Turner Gulch Fire Scar Burn Scar. Severe
debris flows can also be anticipated across roads. Roads and
driveways may be washed away in places. If you encounter flood
waters...climb to safety.
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 3872 10891 3872 10887 3877 10885 3876 10881
3878 10881 3879 10888 3877 10891 3874 10892
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...3 INCHES IN 20 MINUTES
2026-08-30 19:56:07
WUUS53 KABR 302355
Severe Thunderstorm Warning
727
WUUS53 KABR 302355
SVRABR
SDC031-310100-
/O.NEW.KABR.SV.W.0261.260830T2355Z-260831T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
655 PM CDT Sun Aug 30 2026
The National Weather Service in Aberdeen has issued a
* Severe Thunderstorm Warning for...
Corson County in north central South Dakota...
* Until 700 PM MDT.
* At 555 PM MDT, severe thunderstorms were located along a line from
9 miles northwest of Walker to 6 miles north of Isabel, or along a
line from 19 miles north of Bullhead to 18 miles west of Timber
Lake, moving east at 40 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Trained spotters reported. At 546 PM MDT, 60 mph wind
gusts were estimated 3 miles southeast of Watauga.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Walker, Klein Ranch and Black Horse around 600 PM MDT.
Bullhead around 605 PM MDT.
Mclaughlin around 625 PM MDT.
Little Eagle around 630 PM MDT.
Other locations impacted by the severe thunderstorm include Standing
Rock Nation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. These storms have produced damaging winds.
Report severe weather to your nearest law enforcement agency or the
National Weather Service office in Aberdeen SD.
&&
LAT...LON 4547 10173 4571 10152 4594 10151 4594 10050
4593 10049 4592 10047 4592 10046 4590 10043
4588 10042 4587 10039 4586 10038 4582 10038
4578 10035 4572 10037 4547 10059
TIME...MOT...LOC 2355Z 266DEG 34KT 4602 10120 4571 10126 4548 10146
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
2026-08-30 19:55:17
WUUS55 KFGZ 302354
Severe Thunderstorm Warning
394
WUUS55 KFGZ 302354
SVRFGZ
AZC025-310030-
/O.NEW.KFGZ.SV.W.0104.260830T2354Z-260831T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Flagstaff AZ
454 PM MST Sun Aug 30 2026
The National Weather Service in Flagstaff has issued a
* Severe Thunderstorm Warning for...
Yavapai County in west central Arizona...
* Until 530 PM MST.
* At 454 PM MST, a severe thunderstorm was located 12 miles southeast
of Mohon Peak, or 38 miles west of Chino Valley, moving northeast
at 25 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Mount Hope and Juniper Mesa Wilderness.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing large hail.
Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3477 11317 3481 11322 3505 11305 3495 11285
TIME...MOT...LOC 2354Z 225DEG 20KT 3486 11312
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
2026-08-30 19:53:27
WUUS55 KGJT 302353
Severe Thunderstorm Warning
719
WUUS55 KGJT 302353
SVRGJT
COC077-310015-
/O.NEW.KGJT.SV.W.0018.260830T2353Z-260831T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Junction CO
553 PM MDT Sun Aug 30 2026
The National Weather Service in Grand Junction has issued a
* Severe Thunderstorm Warning for...
Southwestern Mesa County in west central Colorado...
* Until 615 PM MDT.
* At 552 PM MDT, a severe thunderstorm was located 24 miles south of
Grand Junction, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
southwestern Mesa County.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3869 10881 3880 10886 3897 10846 3871 10838
TIME...MOT...LOC 2352Z 249DEG 37KT 3877 10874
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 19:49:41
WUUS55 KPSR 302349
Severe Thunderstorm Warning
446
WUUS55 KPSR 302349
SVRPSR
AZC012-310015-
/O.NEW.KPSR.SV.W.0097.260830T2349Z-260831T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
449 PM MST Sun Aug 30 2026
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for...
North central La Paz County in west central Arizona...
* Until 515 PM MST.
* At 449 PM MST, a severe thunderstorm was located 10 miles southeast
of Buckskin Mountain Park, or 12 miles southeast of Parker Dam,
moving northeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
north central La Paz County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3425 11401 3425 11389 3426 11386 3423 11384
3424 11380 3422 11378 3404 11398 3409 11412
3427 11405
TIME...MOT...LOC 2349Z 210DEG 15KT 3412 11402
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 19:43:04
WUUS53 KBIS 302342
Severe Thunderstorm Warning
159
WUUS53 KBIS 302342
SVRBIS
NDC015-029-037-059-065-085-310045-
/O.NEW.KBIS.SV.W.0320.260830T2342Z-260831T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
642 PM CDT Sun Aug 30 2026
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Central Burleigh County in south central North Dakota...
Western Emmons County in south central North Dakota...
Eastern Grant County in south central North Dakota...
Morton County in south central North Dakota...
Southern Oliver County in south central North Dakota...
Sioux County in south central North Dakota...
* Until 745 PM CDT /645 PM MDT/.
* At 642 PM CDT /542 PM MDT/, severe thunderstorms were located along
a line from near Hannover to 25 miles southwest of Shields, or
along a line from 21 miles southeast of Beulah to 57 miles east of
Hettinger, moving east at 50 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bismarck, Mandan, Linton, Lincoln, New Salem, Wilton, Center,
Strasburg, Carson, Hazelton, Flasher, Fort Yates, Selfridge,
Menoken, Sterling, Almont, Solen, Westfield, Cannon Ball and Regan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.
&&
LAT...LON 4698 10159 4718 10157 4716 10097 4716 10031
4664 10028 4594 10009 4594 10147 4663 10159
4677 10162
TIME...MOT...LOC 2342Z 264DEG 42KT 4705 10145 4642 10154 4596 10146
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 19:41:14
WUUS55 KPSR 302340
Severe Thunderstorm Warning
506
WUUS55 KPSR 302340
SVRPSR
AZC012-310015-
/O.NEW.KPSR.SV.W.0096.260830T2340Z-260831T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Phoenix AZ
440 PM MST Sun Aug 30 2026
The National Weather Service in Phoenix has issued a
* Severe Thunderstorm Warning for...
East central La Paz County in west central Arizona...
* Until 515 PM MST.
* At 440 PM MST, a severe thunderstorm was located near Vicksburg, or
34 miles southeast of Parker, moving northeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Vicksburg and Salome.
This includes the following highways...
US Highway 60 between mile markers 42 and 46.
AZ Route 72 between mile markers 36 and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3369 11380 3374 11393 3393 11387 3383 11359
TIME...MOT...LOC 2340Z 210DEG 15KT 3379 11383
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-30 19:36:48
WGUS55 KGJT 302336
Flash Flood Warning
566
WGUS55 KGJT 302336
FFWGJT
COC033-310015-
/O.NEW.KGJT.FF.W.0101.260830T2336Z-260831T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Grand Junction CO
536 PM MDT Sun Aug 30 2026
The National Weather Service in Grand Junction has issued a
* Flash Flood Warning for...
The Northwest area of the Ferris Fire Scar burn scar in...
Northwestern Dolores County in southwestern Colorado...
* Until 615 PM MDT.
* At 536 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Northwest area of the Ferris Fire Scar Burn
Scar. Between 0.3 and 0.5 inches of rain have fallen over 15
minutes. Flash flooding is ongoing or expected to begin shortly.
Excessive rainfall over the burn scar will result in debris flow.
The debris flow can consist of rock, mud, vegetation and other
loose materials.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Northwest area of the
Ferris Fire Scar Burn Scar.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Northwest area of the Ferris Fire Scar Burn Scar.
* Some locations that will experience flash flooding include...
Mainly rural areas of Northwestern Dolores County.
This includes the following streams and drainages...
Cross Canyon, Glade Canyon and Dolores River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and ditches
in the Northwest area of the Ferris Fire Scar Burn Scar. Severe
debris flows can also be anticipated across roads. Roads and
driveways may be washed away in places. If you encounter flood
waters...climb to safety.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
Low water crossings in mountainous terrain can become dangerous in
heavy rain. Do not attempt to cross flooded roads. Find an alternate
route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become life
threatening in heavy rains. Campers and hikers should avoid streams
or creeks.
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 3774 10875 3779 10863 3784 10875 3782 10883
3780 10884 3779 10879
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE