Severe

Significant threat to life or property

Colorado Severe Severe Thunderstorm Warning | Effective 09/20/2026 11:49

SVRBOU The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southeastern Logan County in northeastern Colorado... Western Phillips County in northeastern Colorado... * Until 130 PM MDT. * At 1249 PM MDT, a severe thunderstorm was located near St Petersburg, or 18 miles east of Sterling, moving east at 35 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Hail may accumulate on roadways causing hazardous travel. * Locations impacted include...

Ohio Severe Flood Warning | Effective 09/20/2026 11:41

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northern Belmont County in east central Ohio... East Central Coshocton County in east central Ohio... Northeastern Guernsey County in east central Ohio... Southern Harrison County in east central Ohio... Southwestern Jefferson OH County in east central Ohio... Southern Tuscarawas County in east central Ohio... * WHEN...Until 415 PM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring.

Ohio, West Virginia Severe Flood Watch | Effective 09/20/2026 11:11

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of southeast Ohio, including the following counties, Athens, Gallia, Jackson OH, Lawrence OH, Meigs, Morgan, Perry, Vinton and Washington and West Virginia, including the following counties, Barbour, Boone, Braxton, Cabell, Calhoun, Clay, Doddridge, Gilmer, Harrison, Jackson WV, Kanawha, Lewis, Lincoln, Mason, Northwest Fayette, Northwest Nicholas, Northwest Pocahontas,

Iowa Severe Flood Warning | Effective 09/20/2026 10:56

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southwestern Clayton County in northeastern Iowa along the Volga River... * WHEN...Until midnight CDT Tonight. * IMPACTS...Minor to moderate flooding along the Volga River. * ADDITIONAL DETAILS... - At 1253 PM CDT, flooding continues on the Volga River in southwestern Clayton County. The river has crested and is starting to fall, and is expected to fall below flood stage later tonight. Gauge reports indicated heavy rain due to thunderstorms. Flooding

Iowa, Illinois Severe Flood Watch | Effective 09/20/2026 10:31

The Flood Watch will expire for portions of Illinois, including the following areas, Bureau, Carroll, Henry IL, Jo Daviess, Mercer, Putnam, Rock Island, Stephenson and Whiteside and Iowa, including the following areas, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Keokuk, Linn, Louisa, Muscatine, Scott and Washington. The threat for additional flooding has ended. Therefore, the Flood Watch will expire at 1 PM CDT this afternoon.

Pennsylvania, West Virginia Severe Flood Warning | Effective 09/20/2026 10:17

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern Allegheny County in southwestern Pennsylvania... Central Washington County in southwestern Pennsylvania... Ohio County in northern West Virginia... * WHEN...Until 400 PM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 114 PM EDT, Doppler radar indicated rainfall had ended across

Ohio, West Virginia Severe Flood Warning | Effective 09/20/2026 10:17

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southeastern Athens County in southeastern Ohio... Northeastern Gallia County in southeastern Ohio... Meigs County in southeastern Ohio... Southwestern Washington County in southeastern Ohio... North Central Jackson County in northwestern West Virginia... Southwestern Wood County in northwestern West Virginia... North Central Mason County in western West Virginia... * WHEN...Until 400 PM EDT.

Iowa Severe Flood Warning | Effective 09/20/2026 10:00

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...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... * WHEN...Until 200 PM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying

Iowa Severe Flood Warning | Effective 09/20/2026 10:03

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Benton County in east central Iowa... Northern Cedar County in east central Iowa... Northern Iowa County in east central Iowa... Northern Johnson County in east central Iowa... Jones County in east central Iowa... Linn County in east central Iowa... * WHEN...Until 145 PM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is occurring. Streams remain flooded or
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