Iowa Severe Severe Thunderstorm Warning | Effective 07/20/2026 14:18

Headline: 
Severe Thunderstorm Warning issued July 20 at 4:18PM CDT until July 20 at 5:30PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 20, 2026 - 2:18pm
Expires: 
July 20, 2026 - 3:30pm
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Buchanan County in northeastern Iowa... Benton County in east central Iowa... Western Linn County in east central Iowa... * Until 530 PM CDT. * At 417 PM CDT, severe thunderstorms were located along a line extending from near Fairbank to near Washburn to near Conrad, moving southeast at 55 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. This line of storms has a history of producing wind damage across portions of central Iowa. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Cedar Rapids, Independence, Vinton, Marion, Hiawatha, Robins, Belle Plaine, Jesup, Center Point, Fairfax, Ely, Atkins, Walford, Urbana, Dysart, Fairbank, Palo, Shellsburg, Newhall, and Winthrop. This includes Interstate 380 between mile markers 12 and 55.
Instruction: 
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. A Tornado Watch remains in effect until 1000 PM CDT for northeastern and east central Iowa.
Area Description: 
Benton, IA; Buchanan, IA; Linn, IA
Forcast Office: 
NWS Quad Cities IA IL