Severe

Significant threat to life or property

Iowa, Illinois Severe Flash Flood Warning | Effective 09/20/2026 03:45

At 545 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. 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.

Iowa Severe Flood Warning | Effective 09/20/2026 03:32

...The Flood Warning continues for the following rivers in Iowa... English River at Kalona affecting Washington and Johnson Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...English River at Kalona. * WHEN...Until Tuesday afternoon. * IMPACTS...At 18.0 feet, Water has overtopped roads causing closures. This includes 130th St, Kiwi Ave, Orange Ave and Poplar Ave. Extensive agricultural land near the river is flooded. Water begins backing into town on the north side of the river.

Montana, Wyoming Severe Flood Watch | Effective 09/20/2026 03:32

Showers are turning light and tapering off along the western foothills, but healthier showers will continue over central and eastern portions of the forecast area today. The risk of flooding continues. * WHAT...Flooding caused by excessive rainfall is possible, along with flash flooding over recent burn scars. * WHERE...Southeast Montana and Sheridan County Wyoming. * WHEN...Through this afternoon. * IMPACTS...Excessive runoff may result in flooding of creeks and

Iowa Severe Flash Flood Warning | Effective 09/20/2026 03:41

FFWDVN The National Weather Service in Quad Cities has extended the * Flash Flood Warning for... Southern Cedar County in east central Iowa... Iowa County in east central Iowa... Johnson County in east central Iowa... Muscatine County in east central Iowa... Keokuk County in southeastern Iowa... Northwestern Louisa County in southeastern Iowa... Washington County in southeastern Iowa... * Until 815 AM CDT. * At 541 AM CDT, Trained weather spotters reported flash flooding in

Iowa Severe Flood Warning | Effective 09/20/2026 03:43

...The National Weather Service in Quad Cities has issued a Flood Warning for the following rivers in Iowa... Iowa River near Lone Tree affecting Louisa, Washington and Johnson Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River near Lone Tree. * WHEN...From this morning to Tuesday evening. * IMPACTS...At 18.0 feet, Sand Road closes south of 520th Street to the Highway 22 intersection. * ADDITIONAL DETAILS... - At 5:00 AM CDT Sunday the stage was 13.7 feet.

Iowa Severe Flood Warning | Effective 09/20/2026 03:17

...The National Weather Service in Quad Cities has issued a Flood Warning for the following rivers in Iowa... English River at Kalona affecting Washington and Johnson Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...English River at Kalona. * WHEN...From early this morning to late Tuesday night. * IMPACTS...At 17.0 feet, Water begins going over several county roads, including 13th St, Kiwi Ave, Orange Ave and Poplar Ave. * ADDITIONAL DETAILS...

Florida Severe Flood Warning | Effective 09/20/2026 03:20

...The National Weather Service in Tampa Bay Ruskin has issued a Flood Warning for the following rivers in Florida... Horse Creek Near Arcadia at SR 72 affecting DeSoto County. .Water levels are expected to remain elevated through the week due to heavy rainfall. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Horse Creek near Arcadia at SR 72. * WHEN...From this morning to this evening. * IMPACTS...At 12.0 feet, The access road to Hidden Oak is impassable. * ADDITIONAL DETAILS...

Ohio Severe Flood Warning | Effective 09/20/2026 03:20

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Clermont County in southwestern Ohio... East Central Hamilton County in southwestern Ohio... * WHEN...Until 930 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 620 AM EDT, radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned

Wisconsin Severe Flood Watch | Effective 09/20/2026 03:00

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southwest Wisconsin, including the following county, Grant. * WHEN...Until 7 AM CDT this morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Rain will continue through the overnight with additional rainfall amounts of up to 2 inches possible. - http://www.weather.gov/safety/flood

Iowa, Illinois Severe Flash Flood Warning | Effective 09/20/2026 03:00

At 500 AM CDT, Doppler radar indicated a large area of light to moderate rain was occurring across the warned area. Heavy rain producing storms earlier brought rainfall of 1 to 3.5 inches across the warned area. Flash flooding is either ongoing or expected to begin shortly due to runoff from the earlier heavy rain combined with the steady rain falling. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas,
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