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.
2026-08-23 17:35:19
WUUS52 KMFL 232135
Severe Thunderstorm Warning
510
WUUS52 KMFL 232135
SVRMFL
FLC099-232200-
/O.NEW.KMFL.SV.W.0072.260823T2135Z-260823T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
535 PM EDT Sun Aug 23 2026
The National Weather Service in Miami has issued a
* Severe Thunderstorm Warning for...
Northeastern Palm Beach County in southeastern Florida...
* Until 600 PM EDT.
* At 534 PM EDT, a severe thunderstorm was located near Palm Beach
Gardens, moving east at 10 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...
West Palm Beach, Jupiter, Palm Beach Gardens, Riviera Beach, Palm
Beach, Tequesta, Juno Beach, North Palm Beach, Lake Park, Port Of
Palm Beach, Juno Ridge, Mangonia Park, Fau North Campus, Limestone
Creek, and Jupiter Farms.
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 a
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 2676 8003 2675 8015 2692 8022 2696 8015
2696 8014 2697 8013 2697 8003
TIME...MOT...LOC 2134Z 250DEG 7KT 2686 8012
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 17:34:54
WGUS55 KFGZ 232134
Flash Flood Warning
904
WGUS55 KFGZ 232134
FFWFGZ
AZC001-240030-
/O.NEW.KFGZ.FF.W.0131.260823T2134Z-260824T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
234 PM MST Sun Aug 23 2026
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for...
Areas south of Salina in Apache County in northeastern Arizona...
* Until 630 PM MDT.
* At 334 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over Balakai Wash south of Salina. Between 1 and 2
inches of rain have fallen. Additional rainfall amounts up to 0.25
inches are possible in the warned area. 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,
normally dry washes, urban areas, highways, streets and
underpasses.
* Some locations that will experience flash flooding include...
Salina.
This includes the following creeks, washes and rivers...
Steamboat Wash, Tse Ba Ni Zi Ni Wash, Balakai Wash and Cottonwood
Wash.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Flooding of washes and creeks will occur, some dirt roads will become
muddy and impassable. Paved roads and underpasses could become
flooded as well.
Low water crossings will become dangerous in heavy rain. Do not
attempt to cross flooded roads. Find an alternate route.
&&
LAT...LON 3611 10964 3611 10966 3604 10974 3603 10987
3602 10989 3599 10991 3594 10991 3591 10989
3590 10986 3591 10980 3598 10972 3608 10963
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
2026-08-23 17:33:28
WUUS55 KTFX 232133
Severe Thunderstorm Warning
618
WUUS55 KTFX 232133
SVRTFX
MTC005-015-041-232230-
/O.NEW.KTFX.SV.W.0098.260823T2133Z-260823T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
333 PM MDT Sun Aug 23 2026
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Southwestern Blaine County in north central Montana...
Southeastern Hill County in north central Montana...
Northeastern Chouteau County in north central Montana...
* Until 430 PM MDT.
* At 332 PM MDT, a severe thunderstorm was located 9 miles southeast
of Big Sandy, moving east at 35 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Big Sandy, Parker School, St. Pierre, Agency, and Cleveland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4797 11009 4821 11012 4831 10902 4801 10900
TIME...MOT...LOC 2132Z 261DEG 31KT 4807 10997
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 17:31:28
WUUS53 KLBF 232131
Severe Thunderstorm Warning
276
WUUS53 KLBF 232131
SVRLBF
NEC161-232215-
/O.NEW.KLBF.SV.W.0375.260823T2131Z-260823T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
331 PM MDT Sun Aug 23 2026
The National Weather Service in North Platte has issued a
* Severe Thunderstorm Warning for...
Southwestern Sheridan County in the Panhandle of Nebraska...
* Until 415 PM MDT.
* At 330 PM MDT, a severe thunderstorm was located 15 miles east of
Box Butte Reservoir, or 16 miles south of Hay Springs, moving
southeast at 35 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...
Snow Lake, Krause Lake, Diamond Lake, and Smith Lake State Wildlife
Management Area.
This includes Highway 250 between mile markers 10 and 30.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4254 10277 4256 10277 4242 10228 4211 10246
4226 10275 4244 10275 4244 10277 4254 10278
TIME...MOT...LOC 2130Z 301DEG 32KT 4245 10279
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 17:26:17
WGUS55 KPUB 232125
Flash Flood Warning
824
WGUS55 KPUB 232125
FFWPUB
COC027-101-240030-
/O.NEW.KPUB.FF.W.0074.260823T2125Z-260824T0030Z/
kam
825
WGUS55 KPUB 232125 RRA
FFWPUB
COC027-101-240030-
/O.NEW.KPUB.FF.W.0073.260823T2125Z-260824T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
325 PM MDT Sun Aug 23 2026
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
The Northern Aspen Acres Burn Scar in...
Eastern Custer County in southeastern Colorado...
West Central Pueblo County in southeastern Colorado...
* Until 630 PM MDT.
* At 325 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Northern Aspen Acres Burn Scar. Flash flooding
is ongoing or expected to begin shortly. Excessive rainfall over
the burn scar will result in debris flow moving through the Red
Creek, Peck Creek and Rock Creek Drainages. 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 Northern Aspen Acres Burn
Scar.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Northern Aspen Acres Burn Scar.
* Some locations that will experience flash flooding include...
Mainly rural areas of Eastern Custer and West Central Pueblo
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life-threatening situation for in and around the northern
Aspen Acres Burn Scar. Move away and to higher ground immediately.
&&
LAT...LON 3814 10507 3816 10509 3820 10510 3823 10505
3820 10499 3818 10490 3815 10493 3813 10491
3810 10492 3811 10498 3813 10498 3814 10503
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
2026-08-23 17:26:17
WGUS55 KPUB 232125
Flash Flood Warning
824
WGUS55 KPUB 232125
FFWPUB
COC027-101-240030-
/O.NEW.KPUB.FF.W.0074.260823T2125Z-260824T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pueblo CO
325 PM MDT Sun Aug 23 2026
The National Weather Service in Pueblo has issued a
* Flash Flood Warning for...
The Middle Aspen Acres Burn Scar in...
East Central Custer County in southeastern Colorado...
West Central Pueblo County in southeastern Colorado...
* Until 630 PM MDT.
* At 325 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Middle Aspen Acres Burn Scar. Flash flooding is
ongoing or expected to begin shortly. Excessive rainfall over the
burn scar will result in debris flow moving through the North Saint
Charles, South Creek, Squirrel Creek, Middle Creek, and North Creek
Drainages. 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 Middle Aspen Acres Burn
Scar.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Middle Aspen Acres Burn Scar.
* Some locations that will experience flash flooding include...
Beulah and San Isabel.
This includes the following high risk locations...
Beulah Water Intake, Northcreek Road county line to Red Mountain Camp
and Northcreek Road from Red Mountain Camp to Beulah.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a life-threatening situation for in and around the middle
Aspen Acres Burn Scar. Move away and to higher ground immediately.
&&
LAT...LON 3801 10515 3807 10511 3810 10512 3814 10508
3815 10503 3813 10498 3811 10498 3808 10487
3804 10483 3802 10490 3796 10502 3793 10505
3792 10507 3794 10507 3796 10508 3795 10509
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
2026-08-23 17:21:11
WUUS55 KPIH 232120
Severe Thunderstorm Warning
607
WUUS55 KPIH 232120
SVRPIH
IDC005-011-019-029-232200-
/O.NEW.KPIH.SV.W.0039.260823T2120Z-260823T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pocatello ID
320 PM MDT Sun Aug 23 2026
The National Weather Service in Pocatello has issued a
* Severe Thunderstorm Warning for...
Northwestern Caribou County in southeastern Idaho...
Northeastern Bannock County in southeastern Idaho...
South central Bonneville County in southeastern Idaho...
Southeastern Bingham County in southeastern Idaho...
* Until 400 PM MDT.
* At 319 PM MDT, a severe thunderstorm was located near Chesterfield
Reservoir, moving northeast at 30 mph. Another severe thunderstorm
was located over Inkom, moving northeast at 30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Chesterfield Reservoir, northern Blackfoot Reservoir, Inkom, Fort
Hall Mount Putnam, Bone, Chesterfield, Cutthroat Trout Campground,
Trail Creek Campground, and Grays Lake.
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 4265 11216 4284 11234 4338 11177 4309 11136
TIME...MOT...LOC 2119Z 221DEG 24KT 4294 11190
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
2026-08-23 17:19:45
WGUS55 KSLC 232119
Flash Flood Warning
582
WGUS55 KSLC 232119
FFWSLC
UTC017-055-240215-
/O.NEW.KSLC.FF.W.0084.260823T2119Z-260824T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Salt Lake City UT
319 PM MDT Sun Aug 23 2026
The National Weather Service in Salt Lake City has issued a
* Flash Flood Warning for...
Northeastern Garfield County in southern Utah...
Southeastern Wayne County in southern Utah...
* Until 815 PM MDT.
* At 319 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the Robbers Roost area near the Dirty Devil
River, including Angel, Larry, Alcatraz, and Bull Pasture Canyons
down to Two Step Canyon and Bushwack Boogie Canyon near Lake
Powell. Up to 0.75 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, streams, slot
canyons, and normally dry washes.
* Some locations that will experience flash flooding include...
slot canyons in the Robbers Roost area near the Dirty Devil River,
including Angel, Larry, Alcatraz, and Bull Pasture Canyons down to
Two Step Canyon and Bushwack Boogie Canyon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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 3823 11067 3833 11055 3833 11045 3830 11026
3822 11024 3809 11037 3789 11036 3789 11038
3788 11040 3788 11042 3812 11042 3820 11050
3820 11061
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
2026-08-23 17:14:14
WUUS55 KPUB 232113
Severe Thunderstorm Warning
188
WUUS55 KPUB 232113
SVRPUB
COC043-101-232145-
/O.NEW.KPUB.SV.W.0282.260823T2113Z-260823T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
313 PM MDT Sun Aug 23 2026
The National Weather Service in Pueblo has issued a
* Severe Thunderstorm Warning for...
Southeastern Fremont County in central Colorado...
Northwestern Pueblo County in southeastern Colorado...
* Until 345 PM MDT.
* At 313 PM MDT, a severe thunderstorm was located 9 miles southeast
of Penrose, or 17 miles west of Pueblo, moving east at 20 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...
Pueblo West, Pueblo Reservoir, and Penrose.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3820 10503 3846 10500 3848 10469 3809 10473
TIME...MOT...LOC 2113Z 259DEG 18KT 3831 10493
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 17:09:49
WUUS55 KPIH 232109
Severe Thunderstorm Warning
014
WUUS55 KPIH 232109
SVRPIH
IDC005-077-232200-
/O.NEW.KPIH.SV.W.0038.260823T2109Z-260823T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pocatello ID
309 PM MDT Sun Aug 23 2026
The National Weather Service in Pocatello has issued a
* Severe Thunderstorm Warning for...
Central Bannock County in southeastern Idaho...
Southeastern Power County in southeastern Idaho...
* Until 400 PM MDT.
* At 309 PM MDT, a severe thunderstorm was located near Fort Hall
Bannock Peak, or 16 miles southeast of Neeley, moving northeast at
30 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Pocatello, Inkom, Fort Hall Bannock Peak, Portneuf Gap, Mink Creek
Pass, and Pauline.
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 4245 11269 4258 11283 4292 11238 4270 11212
TIME...MOT...LOC 2109Z 228DEG 26KT 4257 11267
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
2026-08-23 17:06:59
WUUS53 KUNR 232106
Severe Thunderstorm Warning
280
WUUS53 KUNR 232106
SVRUNR
SDC033-103-232200-
/O.NEW.KUNR.SV.W.0317.260823T2106Z-260823T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
306 PM MDT Sun Aug 23 2026
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for...
Northeastern Custer County in southwestern South Dakota...
South Central Pennington County in west central South Dakota...
* Until 400 PM MDT.
* At 306 PM MDT, a severe thunderstorm was located over Hayward, or
12 miles southeast of Hill City, moving southeast at 20 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...
Hermosa, Fairburn, Hayward, State Game Lodge, Buffalo Corrals,
Custer State Park, Black Hills Playhouse, Center Lake, Legion Lake,
Mount Coolidge, Blue Bell, Mount Rushmore National Memorial and
northeastern Wind Cave National Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
Very heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4385 10353 4394 10328 4366 10295 4357 10348
TIME...MOT...LOC 2106Z 329DEG 18KT 4386 10335
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 17:05:09
WUUS55 KLKN 232104
Severe Thunderstorm Warning
339
WUUS55 KLKN 232104
SVRLKN
NVC007-232130-
/O.NEW.KLKN.SV.W.0034.260823T2104Z-260823T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Elko NV
204 PM PDT Sun Aug 23 2026
The National Weather Service in Elko Nevada has issued a
* Severe Thunderstorm Warning for...
Eastern Elko County in northeastern Nevada...
* Until 230 PM PDT.
* At 204 PM PDT, a severe thunderstorm was located near Wells,
moving to the northeast at around 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Wells.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4110 11488 4114 11497 4130 11483 4123 11466
TIME...MOT...LOC 2104Z 220DEG 17KT 4115 11488
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 17:01:48
WUUS55 KCYS 232101
Severe Thunderstorm Warning
385
WUUS55 KCYS 232101
SVRCYS
NEC013-045-232200-
/O.NEW.KCYS.SV.W.0289.260823T2101Z-260823T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
301 PM MDT Sun Aug 23 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Northeastern Box Butte County in the Panhandle of Nebraska...
Southeastern Dawes County in the Panhandle of Nebraska...
* Until 400 PM MDT.
* At 301 PM MDT, a severe thunderstorm was located 8 miles south of
Red Cloud Campground, or 17 miles south of Chadron, moving east at
15 mph.
HAZARD...60 mph wind gusts and half dollar 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
northeastern Box Butte and southeastern Dawes Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4238 10275 4232 10297 4258 10315 4266 10306
4267 10278 4244 10277 4244 10275
TIME...MOT...LOC 2101Z 290DEG 14KT 4258 10304
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 16:51:31
WUUS55 KTFX 232051
Severe Thunderstorm Warning
752
WUUS55 KTFX 232051
SVRTFX
MTC027-232145-
/O.NEW.KTFX.SV.W.0097.260823T2051Z-260823T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
251 PM MDT Sun Aug 23 2026
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Northern Fergus County in central Montana...
* Until 345 PM MDT.
* At 251 PM MDT, a severe thunderstorm was located 10 miles southwest
of Winifred, or 30 miles north of Lewistown, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Winifred, Suffolk, and Christina.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.
&&
LAT...LON 4735 10977 4760 10980 4771 10882 4768 10878
4738 10874
TIME...MOT...LOC 2051Z 265DEG 27KT 4749 10959
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 16:48:31
WUUS55 KSLC 232048
Severe Thunderstorm Warning
822
WUUS55 KSLC 232048
SVRSLC
UTC003-232130-
/O.NEW.KSLC.SV.W.0075.260823T2048Z-260823T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Salt Lake City UT
248 PM MDT Sun Aug 23 2026
The National Weather Service in Salt Lake City has issued a
* Severe Thunderstorm Warning for...
West central Box Elder County in northern Utah...
* Until 330 PM MDT.
* At 248 PM MDT, a severe thunderstorm was located 26 miles northeast
of Montello, moving east at 15 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...
Etna.
This includes Utah Route 30 between mile markers 25 and 27.
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 4167 11403 4173 11362 4149 11359 4152 11403
TIME...MOT...LOC 2048Z 263DEG 15KT 4160 11395
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 16:44:20
WUUS55 KTFX 232043
Severe Thunderstorm Warning
690
WUUS55 KTFX 232043
SVRTFX
MTC041-051-232145-
/O.NEW.KTFX.SV.W.0096.260823T2043Z-260823T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
243 PM MDT Sun Aug 23 2026
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
East central Liberty County in north central Montana...
Central Hill County in north central Montana...
* Until 345 PM MDT.
* At 243 PM MDT, a severe thunderstorm was located 10 miles south of
Joplin, 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.
* Locations impacted include...
Joplin, Beaver Creek, Inverness, Gildford, Hingham, Rudyard, and
Kremlin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4829 11079 4852 11095 4883 10988 4847 10976
TIME...MOT...LOC 2043Z 247DEG 35KT 4841 11075
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 16:41:59
WUUS55 KTFX 232041
Severe Thunderstorm Warning
195
WUUS55 KTFX 232041
SVRTFX
MTC031-057-232145-
/O.NEW.KTFX.SV.W.0095.260823T2041Z-260823T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
241 PM MDT Sun Aug 23 2026
The National Weather Service in Great Falls has issued a
* Severe Thunderstorm Warning for...
Northeastern Madison County in southwestern Montana...
Northern Gallatin County in south central Montana...
* Until 345 PM MDT.
* At 241 PM MDT, a severe thunderstorm was located 8 miles northwest
of Ennis, or 11 miles northeast of Virginia City, moving northeast
at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bozeman, Belgrade, Manhattan, Norris, Four Corners, Amsterdam,
Mcallister, Bozeman Hot Springs, Gallatin Gateway, Church Hill,
Menard, and Madison Buffalo Jump State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4532 11192 4542 11205 4602 11112 4594 11079
4560 11080 4559 11086 4552 11087 4552 11091
4551 11092
TIME...MOT...LOC 2041Z 235DEG 39KT 4545 11182
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
2026-08-23 16:36:59
WGUS55 KFGZ 232036
Flash Flood Warning
547
WGUS55 KFGZ 232036
FFWFGZ
AZC005-232330-
/O.NEW.KFGZ.FF.W.0130.260823T2036Z-260823T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
136 PM MST Sun Aug 23 2026
The National Weather Service in Flagstaff has issued a
* Flash Flood Warning for...
The Antelope Creek basin in...
Coconino County in north central Arizona...
* Until 430 PM MST /530 PM MDT/.
* At 136 PM MST /236 PM MDT/, Doppler radar indicated thunderstorms
producing heavy rain over the Antelope Creek basin. Between 0.5 and
1 inch of rain has fallen. Additional rainfall amounts up to 0.25
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Antelope Creek basin.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Antelope Creek basin.
* Some locations that will experience flash flooding include...
Antelope Canyon.
This includes the following slot canyons...
Upper Antelope Canyon, Lower Antelope Canyon, Owl Canyon, Rattlesnake
Canyon, Mountain Sheep Canyon, Ramshead Canyon, Wind Pebble Canyon
and Porcupine Canyon.
This includes the following creeks, washes and rivers...
Antelope Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get out of Antelope Canyon and other area slot canyons immediately!
Deadly flash flooding is imminent or occurring!
&&
LAT...LON 3694 11144 3694 11142 3690 11140 3688 11137
3684 11135 3679 11138 3680 11143 3686 11142
3689 11142
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
2026-08-23 16:32:13
WGUS55 KGJT 232031
Flash Flood Warning
444
WGUS55 KGJT 232031
FFWGJT
COC103-232330-
/O.NEW.KGJT.FF.W.0097.260823T2031Z-260823T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Grand Junction CO
231 PM MDT Sun Aug 23 2026
The National Weather Service in Grand Junction has issued a
* Flash Flood Warning for...
The Lee and P-L Gulch burn scars in...
Central Rio Blanco County in northwestern Colorado...
* Until 530 PM MDT.
* At 231 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain over the Lee and P-L Gulch Burn Scars. Between 0.4 and
0.6 inches of rain have fallen. The expected rainfall rate is 1.5
to 3 inches in 1 hour. Flash flooding is ongoing or expected to
begin shortly. Excessive rainfall over the burn scars 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 Lee and P-L Gulch Burn
Scars.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Lee and P-L Gulch Burn Scars.
* Some locations that will experience flash flooding include...
areas in and around the Lee and P-L Gulch burn scars.
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 Lee and P-L Gulch Burn Scars. 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.
Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry arroyos is likely. The heavy rains
will likely trigger rockslides, mudslides and debris flows in steep
terrain, especially in and around these areas.
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 3973 10794 3969 10802 3970 10808 3999 10839
4012 10824 4003 10789 3983 10790 3983 10794
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR
2026-08-23 16:28:02
WUUS52 KILM 232027
Severe Thunderstorm Warning
453
WUUS52 KILM 232027
SVRILM
SCC043-232115-
/O.NEW.KILM.SV.W.0080.260823T2027Z-260823T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
427 PM EDT Sun Aug 23 2026
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Southeastern Georgetown County in northeastern South Carolina...
* Until 515 PM EDT.
* At 427 PM EDT, a severe thunderstorm was located over DeBordieu
Colony, moving south at 5 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
* Locations impacted include...
Georgetown, DeBordieu Colony, Pawleys Island, and Georgetown
Memorial Hospital.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Please send your reports of hail or wind damage, including trees or
large limbs downed, by calling the National Weather Service office in
Wilmington at 1 800 697 3901.
Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.
&&
LAT...LON 3326 7931 3340 7928 3341 7913 3338 7915
3335 7915 3330 7917 3325 7918
TIME...MOT...LOC 2027Z 000DEG 4KT 3336 7920
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH