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This page displays last 20 Severe Weather Alerts issued by the National Weather Service

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2026-08-22 02:53:20
WUUS53 KLBF 220653
Severe Thunderstorm Warning

152 WUUS53 KLBF 220653 SVRLBF NEC089-149-220745- /O.NEW.KLBF.SV.W.0373.260822T0653Z-260822T0745Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service North Platte NE 153 AM CDT Sat Aug 22 2026 The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Northeastern Rock County in north central Nebraska... West central Holt County in north central Nebraska... * Until 245 AM CDT. * At 152 AM CDT, a severe thunderstorm was located over Newport, or 11 miles east of Bassett, moving southeast at 40 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Atkinson, Stuart, Newport, and Emmet. This includes Highway 20 between mile markers 266 and 302. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4260 9945 4269 9936 4254 9869 4228 9892 TIME...MOT...LOC 0652Z 299DEG 36KT 4261 9931 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH

2026-08-22 01:09:37
WUUS51 KCLE 220509
Severe Thunderstorm Warning

226 WUUS51 KCLE 220509 SVRCLE OHC123-220545- /O.NEW.KCLE.SV.W.0233.260822T0509Z-260822T0545Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cleveland OH 109 AM EDT Sat Aug 22 2026 The National Weather Service in Cleveland has issued a * Severe Thunderstorm Warning for... Ottawa County in northwestern Ohio... * Until 145 AM EDT. * At 108 AM EDT, a severe thunderstorm was located near Put-In-Bay, moving northeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Expect damage to trees and power lines. * Locations impacted include... Put-In-Bay. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. If on or near the water around Put-in-Bay, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4173 8278 4169 8274 4163 8277 4158 8289 4161 8287 4164 8291 4168 8290 4169 8289 4174 8282 TIME...MOT...LOC 0508Z 234DEG 17KT 4163 8288 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-22 00:17:51
WUUS53 KILX 220417
Severe Thunderstorm Warning
324 WUUS53 KILX 220417 SVRILX ILC057-125-129-220500- /O.NEW.KILX.SV.W.0373.260822T0417Z-260822T0500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Lincoln IL 1117 PM CDT Fri Aug 21 2026 The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Western Menard County in central Illinois... South central Fulton County in west central Illinois... Central Mason County in central Illinois... * Until midnight CDT. * At 1117 PM CDT, a severe thunderstorm was located near Bath, or near Havana, 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. * This severe thunderstorm will be near... Kilbourne around 1120 PM CDT. Other locations in the path of this severe thunderstorm include Greenview. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4036 9008 4021 8965 3994 8983 4007 9000 4010 9000 4011 9005 4022 9020 TIME...MOT...LOC 0417Z 299DEG 32KT 4022 9009 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 23:59:27
WUUS55 KBOU 220358
Severe Thunderstorm Warning

661 WUUS55 KBOU 220358 SVRBOU COC075-220445- /O.NEW.KBOU.SV.W.0346.260822T0358Z-260822T0445Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 958 PM MDT Fri Aug 21 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southwestern Logan County in northeastern Colorado... * Until 1045 PM MDT. * At 958 PM MDT, a severe thunderstorm was located over North Sterling Reservoir, or 11 miles northwest of Sterling, moving south at 20 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Sterling, Logan Corners, Atwood, North Sterling Reservoir, Pawnee Pass, Padroni and Willard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and large hail. Heavy rain is occurring with this storm and may lead to flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4085 10353 4088 10321 4046 10303 4052 10347 4052 10349 4053 10354 TIME...MOT...LOC 0358Z 357DEG 18KT 4077 10329 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH

2026-08-21 23:33:01
WFUS55 KBOU 220332
Tornado Warning
203 WFUS55 KBOU 220332 TORBOU COC075-220415- /O.NEW.KBOU.TO.W.0032.260822T0332Z-260822T0415Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Denver CO 932 PM MDT Fri Aug 21 2026 The National Weather Service in Denver has issued a * Tornado Warning for... Northwestern Logan County in northeastern Colorado... * Until 1015 PM MDT. * At 932 PM MDT, a severe thunderstorm capable of producing a tornado was located 5 miles northwest of North Sterling Reservoir, or 16 miles northwest of Sterling, moving south at 25 mph. HAZARD...Tornado and two inch hail. 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. * Locations impacted include... Sterling, North Sterling Reservoir and Logan Corners. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to an interior room on the lowest floor of a well-built building away from 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 difficult to observe at night. Take cover now! && LAT...LON 4089 10340 4089 10326 4060 10318 4058 10347 TIME...MOT...LOC 0332Z 2DEG 22KT 4083 10333 TORNADO...RADAR INDICATED MAX HAIL SIZE...2.00 IN

2026-08-21 23:22:38
WUUS55 KBOU 220322
Severe Thunderstorm Warning
939 WUUS55 KBOU 220322 SVRBOU COC075-220400- /O.NEW.KBOU.SV.W.0345.260822T0322Z-260822T0400Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 922 PM MDT Fri Aug 21 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Northern Logan County in northeastern Colorado... * Until 1000 PM MDT. * At 922 PM MDT, a severe thunderstorm was located 10 miles north of North Sterling Reservoir, or 22 miles north of Sterling, moving south at 30 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Sterling, Fleming, Iliff, Peetz, North Sterling Reservoir, Padroni, Logan Corners, Westplains, Pawnee Pass and Proctor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and dangerous hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. Heavy rain is occurring with this storm and may lead to flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4100 10308 4061 10279 4056 10358 4070 10358 4070 10357 4100 10357 TIME...MOT...LOC 0321Z 350DEG 25KT 4092 10333 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH

2026-08-21 23:01:32
WUUS55 KPUB 220301
Severe Thunderstorm Warning

506 WUUS55 KPUB 220301 SVRPUB COC011-061-089-220330- /O.NEW.KPUB.SV.W.0280.260822T0301Z-260822T0330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pueblo CO 901 PM MDT Fri Aug 21 2026 The National Weather Service in Pueblo has issued a * Severe Thunderstorm Warning for... Northeastern Otero County in southeastern Colorado... Southwestern Kiowa County in southeastern Colorado... Northwestern Bent County in southeastern Colorado... * Until 930 PM MDT. * At 900 PM MDT, a severe thunderstorm was located over Blue Lake, or 26 miles northeast of North La Junta, moving southwest at 25 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... Las Animas, Blue Lake, and Arlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3837 10330 3836 10314 3806 10320 3817 10349 TIME...MOT...LOC 0300Z 025DEG 22KT 3830 10325 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:54:40
WUUS55 KCYS 220254
Severe Thunderstorm Warning
221 WUUS55 KCYS 220254 SVRCYS NEC033-105-220345- /O.NEW.KCYS.SV.W.0274.260822T0254Z-260822T0345Z/ BULLETIN - EAS ACTIVATION REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 854 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southwestern Cheyenne County in the Panhandle of Nebraska... Eastern Kimball County in the Panhandle of Nebraska... * Until 945 PM MDT. * At 854 PM MDT, a severe thunderstorm was located over Dix, or 8 miles east of Kimball, moving southeast at 25 mph. HAZARD...Tennis 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... Kimball, Dix, Kimball Municipal Airport, and Kimball 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. This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows! This thunderstorm is capable of producing all types of severe weather including extremely large hail, destructive straight line winds and tornadoes. Move quickly to a safe shelter such as an interior room, a bathroom, closet or basement. && LAT...LON 4126 10368 4136 10355 4126 10341 4101 10329 4100 10331 4101 10370 TIME...MOT...LOC 0254Z 334DEG 21KT 4123 10349 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:44:13
WUUS55 KBOU 220243
Severe Thunderstorm Warning

253 WUUS55 KBOU 220243 SVRBOU COC075-220330- /O.NEW.KBOU.SV.W.0344.260822T0243Z-260822T0330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 843 PM MDT Fri Aug 21 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Northern Logan County in northeastern Colorado... * Until 930 PM MDT. * At 843 PM MDT, a severe thunderstorm was located 7 miles south of Potter, or 19 miles southeast of Kimball, moving south at 25 mph. HAZARD...Two inch 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... Iliff, Peetz, Padroni, North Sterling Reservoir, Proctor and Westplains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. Heavy rain is occurring with this storm and may lead to flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4100 10293 4075 10276 4073 10357 4077 10357 4100 10354 TIME...MOT...LOC 0243Z 2DEG 22KT 4112 10334 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:38:12
WUUS55 KCYS 220237
Severe Thunderstorm Warning

354 WUUS55 KCYS 220237 SVRCYS NEC033-105-220330- /O.NEW.KCYS.SV.W.0273.260822T0237Z-260822T0330Z/ BULLETIN - EAS ACTIVATION REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 837 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southwestern Cheyenne County in the Panhandle of Nebraska... Southeastern Kimball County in the Panhandle of Nebraska... * Until 930 PM MDT. * At 837 PM MDT, a severe thunderstorm was located over Potter, or 18 miles west of Sidney, moving south at 20 mph. HAZARD...Tennis 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... Potter, Dix, and Lorenzo. 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. This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows! This thunderstorm is capable of producing all types of severe weather including extremely large hail, destructive straight line winds and tornadoes. Move quickly to a safe shelter such as an interior room, a bathroom, closet or basement. && LAT...LON 4127 10349 4126 10319 4100 10294 4100 10331 4101 10354 TIME...MOT...LOC 0237Z 003DEG 19KT 4119 10331 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:26:41
WUUS55 KCYS 220226
Severe Thunderstorm Warning

295 WUUS55 KCYS 220226 SVRCYS NEC013-123-157-165-220315- /O.NEW.KCYS.SV.W.0272.260822T0226Z-260822T0315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 826 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southwestern Box Butte County in the Panhandle of Nebraska... Northeastern Scotts Bluff County in the Panhandle of Nebraska... Northwestern Morrill County in the Panhandle of Nebraska... Southeastern Sioux County in the Panhandle of Nebraska... * Until 915 PM MDT. * At 825 PM MDT, a severe thunderstorm was located 10 miles north of Lake Alice, or 19 miles north of Scottsbluff, moving southeast 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... Kilpatrick Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4206 10377 4223 10374 4225 10308 4195 10312 TIME...MOT...LOC 0225Z 293DEG 34KT 4215 10364 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:22:41
WUUS53 KDVN 220222
Severe Thunderstorm Warning
484 WUUS53 KDVN 220222 SVRDVN ILC073-220245- /O.NEW.KDVN.SV.W.0285.260822T0222Z-260822T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 922 PM CDT Fri Aug 21 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southeastern Henry County in northwestern Illinois... * Until 945 PM CDT. * At 922 PM CDT, a severe thunderstorm was located over Kewanee Municipal Airport, or near Kewanee, moving southeast at 35 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Kewanee, Galva, and Kewanee Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4123 8987 4115 8987 4115 9006 4119 9009 4130 8991 4126 8986 4123 8986 TIME...MOT...LOC 0222Z 302DEG 32KT 4119 8993 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:19:15
WFUS55 KCYS 220219
Tornado Warning
452 WFUS55 KCYS 220219 TORCYS NEC033-105-220300- /O.NEW.KCYS.TO.W.0018.260822T0219Z-260822T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Cheyenne WY 819 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Tornado Warning for... Southwestern Cheyenne County in the Panhandle of Nebraska... Eastern Kimball County in the Panhandle of Nebraska... * Until 900 PM MDT. * At 818 PM MDT, a severe thunderstorm capable of producing a tornado was located near Potter, or 15 miles east of Kimball, moving south at 25 mph. HAZARD...Tornado and baseball size hail. 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... Potter around 825 PM MDT. 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 4136 10347 4135 10325 4100 10315 4100 10331 4101 10353 TIME...MOT...LOC 0218Z 355DEG 21KT 4129 10337 TORNADO...RADAR INDICATED MAX HAIL SIZE...2.75 IN

2026-08-21 22:14:59
WUUS55 KPUB 220214
Severe Thunderstorm Warning

738 WUUS55 KPUB 220214 SVRPUB COC061-220300- /O.NEW.KPUB.SV.W.0279.260822T0214Z-260822T0300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pueblo CO 814 PM MDT Fri Aug 21 2026 The National Weather Service in Pueblo has issued a * Severe Thunderstorm Warning for... Western Kiowa County in southeastern Colorado... * Until 900 PM MDT. * At 814 PM MDT, a severe thunderstorm was located over Haswell, or 39 miles northwest of Lamar, moving south at 15 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... Haswell and Blue Lake. 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 3828 10293 3828 10331 3853 10321 3853 10317 3859 10317 3857 10296 TIME...MOT...LOC 0214Z 006DEG 15KT 3848 10312 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:11:58
WUUS55 KCYS 220211
Severe Thunderstorm Warning

006 WUUS55 KCYS 220211 SVRCYS NEC007-033-105-123-220300- /O.NEW.KCYS.SV.W.0271.260822T0211Z-260822T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 811 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Western Cheyenne County in the Panhandle of Nebraska... Northeastern Kimball County in the Panhandle of Nebraska... Southwestern Morrill County in the Panhandle of Nebraska... Southeastern Banner County in the Panhandle of Nebraska... * Until 900 PM MDT. * At 811 PM MDT, a severe thunderstorm was located 11 miles north of Potter, or 20 miles northeast of Kimball, moving south at 20 mph. THIS IS A DESTRUCTIVE STORM FOR WESTERN CHEYENNE COUNTY AND EASTERN KIMBALL COUNTY. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. * Locations impacted include... Potter and Brownson. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a dangerous storm. Prepare immediately for large destructive hail capable of producing significant damage. People outside should move to shelter inside a strong building, and stay away from windows. This thunderstorm is capable of producing all types of severe weather including extremely large hail, destructive straight line winds and tornadoes. Move quickly to a safe shelter such as an interior room, a bathroom, closet or basement. && LAT...LON 4150 10344 4151 10319 4105 10297 4106 10350 TIME...MOT...LOC 0211Z 000DEG 18KT 4139 10332 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 22:10:58
WUUS53 KLOT 220210
Severe Thunderstorm Warning

505 WUUS53 KLOT 220210 SVRLOT ILC099-220245- /O.NEW.KLOT.SV.W.0265.260822T0210Z-260822T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Chicago/Romeoville 910 PM CDT Fri Aug 21 2026 The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... South central La Salle County in north central Illinois... * Until 945 PM CDT. * At 910 PM CDT, a severe thunderstorm was located near Wenona, or 13 miles southwest of Streator, moving southeast 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... Wenona, Rutland, and Dana. 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 4106 8905 4103 8900 4098 8893 4093 8893 4093 8905 TIME...MOT...LOC 0210Z 332DEG 13KT 4100 8904 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 21:52:20
WFUS55 KCYS 220151
Tornado Warning

331 WFUS55 KCYS 220151 TORCYS NEC007-033-105-123-220230- /O.NEW.KCYS.TO.W.0017.260822T0151Z-260822T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED Tornado Warning National Weather Service Cheyenne WY 751 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Tornado Warning for... Northwestern Cheyenne County in the Panhandle of Nebraska... Northeastern Kimball County in the Panhandle of Nebraska... Southwestern Morrill County in the Panhandle of Nebraska... Southeastern Banner County in the Panhandle of Nebraska... * Until 830 PM MDT. * At 751 PM MDT, a severe thunderstorm capable of producing a tornado was located 9 miles southwest of Redington, or 21 miles northeast of Kimball, moving south at 35 mph. HAZARD...Tornado and baseball size hail. 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 tornadic thunderstorm will remain over mainly rural areas of northwestern Cheyenne, northeastern Kimball, southwestern Morrill and southeastern Banner Counties. 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 4155 10344 4156 10326 4122 10319 4125 10352 TIME...MOT...LOC 0151Z 010DEG 28KT 4147 10338 TORNADO...RADAR INDICATED MAX HAIL SIZE...2.75 IN

2026-08-21 21:42:02
WUUS55 KCYS 220141
Severe Thunderstorm Warning

574 WUUS55 KCYS 220141 SVRCYS NEC157-165-WYC015-220230- /O.NEW.KCYS.SV.W.0270.260822T0141Z-260822T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 741 PM MDT Fri Aug 21 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... North central Scotts Bluff County in the Panhandle of Nebraska... Southern Sioux County in the Panhandle of Nebraska... East central Goshen County in southeastern Wyoming... * Until 830 PM MDT. * At 741 PM MDT, a severe thunderstorm was located 13 miles northeast of Torrington Municipal Airport, or 13 miles northeast of Torrington, moving east at 30 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... Lake Alice. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4210 10420 4231 10418 4239 10348 4192 10364 TIME...MOT...LOC 0141Z 281DEG 28KT 4224 10404 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-21 21:41:02
WGUS53 KILX 220140
Flash Flood Warning

156 WGUS53 KILX 220140 FFWILX ILC123-220445- /O.NEW.KILX.FF.W.0081.260822T0140Z-260822T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Lincoln IL 840 PM CDT Fri Aug 21 2026 The National Weather Service in Lincoln has issued a * Flash Flood Warning for... Eastern Marshall County in central Illinois... * Until 1145 PM CDT. * At 840 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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... Toluca and Wenona. 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. && LAT...LON 4093 8905 4093 8911 4110 8920 4110 8905 FLASH FLOOD...RADAR INDICATED

2026-08-21 21:36:10
WUUS55 KPUB 220135
Severe Thunderstorm Warning

684 WUUS55 KPUB 220135 SVRPUB COC061-220215- /O.NEW.KPUB.SV.W.0278.260822T0135Z-260822T0215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pueblo CO 735 PM MDT Fri Aug 21 2026 The National Weather Service in Pueblo has issued a * Severe Thunderstorm Warning for... Western Kiowa County in southeastern Colorado... * Until 815 PM MDT. * At 735 PM MDT, a severe thunderstorm was located 10 miles northeast of Haswell, or 42 miles west of Cheyenne Wells, moving south 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... Haswell. 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 3830 10290 3834 10331 3852 10324 3853 10317 3855 10318 3861 10317 3862 10310 3861 10294 TIME...MOT...LOC 0135Z 009DEG 16KT 3859 10308 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH