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Home Return to list Severe Thunderstorm Warning 0227 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-09 20:42:04 691 WUUS53 KLOT 100141 SVRLOT ILC103-100245- /O.NEW.KLOT.SV.W.0227.260810T0141Z-260810T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Chicago/Romeoville 841 PM CDT Sun Aug 9 2026 The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northern Lee County in north central Illinois... * Until 945 PM CDT. * At 841 PM CDT, severe thunderstorms were located along a line extending from Dixon to Franklin Grove, moving east at 15 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Dixon, Franklin Grove, Ashton, Lee, Steward, Eldena, and Nachusa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4178 8957 4189 8948 4189 8894 4173 8894 TIME...MOT...LOC 0141Z 264DEG 14KT 4183 8950 4182 8933 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Kluber Action: Continued Issued At: 2026-08-09 20:55:05 074 WWUS53 KLOT 100154 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 854 PM CDT Sun Aug 9 2026 ILC103-100245- /O.CON.KLOT.SV.W.0227.000000T0000Z-260810T0245Z/ Lee IL- 854 PM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR NORTHERN LEE COUNTY... At 854 PM CDT, severe thunderstorms were located along a line extending from near Dixon to near Franklin Grove, moving east at 10 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Dixon, Franklin Grove, Ashton, Lee, Steward, Eldena, and Nachusa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4178 8957 4189 8948 4189 8894 4173 8894 TIME...MOT...LOC 0154Z 268DEG 11KT 4182 8942 4181 8925 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Kluber Action: Continued Issued At: 2026-08-09 21:04:05 371 WWUS53 KLOT 100203 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 903 PM CDT Sun Aug 9 2026 ILC103-100245- /O.CON.KLOT.SV.W.0227.000000T0000Z-260810T0245Z/ Lee IL- 903 PM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR NORTHEASTERN LEE COUNTY... At 903 PM CDT, severe thunderstorms were located along a line extending from near Franklin Grove to near Ashton, moving east at 15 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Franklin Grove, Ashton, Lee, Steward, Nachusa, and Eldena. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4177 8946 4189 8940 4189 8894 4173 8894 TIME...MOT...LOC 0203Z 264DEG 14KT 4182 8938 4181 8921 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Doom Action: Continued Issued At: 2026-08-09 21:21:05 845 WWUS53 KLOT 100220 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 920 PM CDT Sun Aug 9 2026 ILC103-100245- /O.CON.KLOT.SV.W.0227.000000T0000Z-260810T0245Z/ Lee IL- 920 PM CDT Sun Aug 9 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR NORTHEASTERN LEE COUNTY... At 920 PM CDT, severe thunderstorms were located along a line extending from Franklin Grove to near Ashton, moving east at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Franklin Grove, Ashton, Lee, Steward, Nachusa, and Eldena. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4177 8946 4189 8940 4189 8894 4173 8894 TIME...MOT...LOC 0220Z 264DEG 14KT 4183 8930 4182 8913 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Doom | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||