The following summaries cover "significant" or widespread thunderstorm outbreaks and tornadoes. Tornadoes, hail, wind damage, and flooding impacts can be found in these summaries. If the event was focused mainly on flooding it will be found under the "Flooding" section.
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2025
August 9th-10th - Widespread heavy rain with multiple short lived tornadoes in southeast IA & northeast MO
July 2025 - Prolonged humid conditions with active severe weather and flooding
July 29th - Early morning derecho brings damaging winds to eastern Iowa
July 11th - Damaging winds, several tornadoes, and significant flash flooding in Davenport, IA
July 10th - Severe storms and heavy rain, including flash flooding in Moline, IL
June 11th - Clusters of severe storms impact Benton, Buchanan, and Delaware Counties in IA
June 3rd - Several tornadoes including near Fort Madison, IA derailing a train and others into the Quad Cities metro
May 10, 2003 -Official survey results with pictures. F0 to F2 tornadoes touch down in Bi-state area including Lee, Hancock, Van Buren, Louisa counties.
April 30, 2003 -Storm survey results report 5 tornadoes confirmed in Louisa County IA, and Mercer County IL
The following summaries cover "significant" or widespread flooding. River and flash flooding can be found in these summaries. If the flooding event accompanied severe thunderstorms or tornado outbreaks, it will likely be included in that event's summary under the "Thunderstorms / Tornadoes" section.
2025
August 9th-10th - Widespread heavy rain with multiple short lived tornadoes in southeast IA & northeast MO
July 2025 - Prolonged humid conditions with active severe weather and flooding
July 11th - Damaging winds, several tornadoes, and significant flash flooding in Davenport, IA
July 10th - Severe storms and heavy rain, including flash flooding in Moline, IL
2024
November 2nd-5th - Two to four inches of rain in a multi-day period
The following summaries cover significant or widespread impacting winter events, including winter storms. Heavy snow, sleet, freezing rain, and blizzards can be found in these summaries. If the event focused on wind chills, it will be found under the "Heat / Cold" section.
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2025
February 12th - Winter storm brings 5 to 10 inches of snow across eastern IA and far northwest IL
The following summaries cover "significant" or widespread high heat or extreme cold. Dangerous wind chills and life threatening heat indices can be found in these summaries. If the extreme temperatures were associated with a summer or winter storm, it may be found under the "Thunderstorms & Tornadoes" or "Winter" sections.
The following summaries cover events that don't fall under the other categories - such as high wind events (not associated with thunderstorms). Other atmospheric events, such as auroras, may be found here.