Severe

Significant threat to life or property

Wisconsin Flood Warning | Effective 04/21/2026 18:44

...The Flood Warning continues for the following rivers in Wisconsin... Yellow River at Necedah affecting Juneau County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Yellow River at Necedah. * WHEN...Until early Thursday morning. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 15.4 feet. - Bankfull stage is 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Tuesday was 16.6 feet.

Illinois Flood Warning | Effective 04/21/2026 18:20

...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Rock River from Swanson Road in Roscoe downstream to Shorewood Park in Loves Park, including the Latham Park gauge. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Queen Oaks Drive is threatened in

Illinois Flood Warning | Effective 04/21/2026 18:20

...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Rock River from Confluence with Kishwaukee River to Castle Rock State Park near Oregon, including the Byron gauge. * WHEN...Until Friday morning. * IMPACTS...At 13.5 feet, Numerous low-lying structures downstream of Byron are flooded. * ADDITIONAL DETAILS...

Illinois Flood Warning | Effective 04/21/2026 18:20

...The Flood Warning continues for the following rivers in Illinois... Rock River at Byron affecting Ogle County. Rock River at Rockton affecting Winnebago County. Rock River at Latham Park affecting Winnebago County. * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Rock River from Prairie Hill Road downstream to Swanson Road in Roscoe, including the Rockton gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Multiple low-lying roads threatened along the river in Roscoe. * ADDITIONAL DETAILS...

Illinois Flood Warning | Effective 04/21/2026 18:22

...The Flood Warning continues for the following rivers in Illinois... Pecatonica River near Shirland affecting Winnebago County. * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Pecatonica River from Winnebago County line downstream to confluence with the Rock River, including the Shirland gauge. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Structures threatened at Rivers Edge Campground east of Shirland. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 13.9 feet.

Missouri Flood Warning | Effective 04/21/2026 17:48

...The Flood Warning continues for the following rivers in Missouri... Little Osage River near Horton affecting Vernon County. Marmaton River near Nevada affecting Vernon County. ...The Flood Warning is extended for the following rivers in Missouri... Osage River at Taberville affecting Vernon and St. Clair Counties. For the Little Osage River...including Fulton, Horton...Minor flooding is forecast. For the Marmaton River...including Fort Scott, Nevada...Minor flooding is forecast.

Missouri Flood Warning | Effective 04/21/2026 17:48

...The Flood Warning continues for the following rivers in Missouri... Little Osage River near Horton affecting Vernon County. Marmaton River near Nevada affecting Vernon County. ...The Flood Warning is extended for the following rivers in Missouri... Osage River at Taberville affecting Vernon and St. Clair Counties. For the Little Osage River...including Fulton, Horton...Minor flooding is forecast. For the Marmaton River...including Fort Scott, Nevada...Minor flooding is forecast.

Missouri Flood Warning | Effective 04/21/2026 17:48

...The Flood Warning continues for the following rivers in Missouri... Little Osage River near Horton affecting Vernon County. Marmaton River near Nevada affecting Vernon County. ...The Flood Warning is extended for the following rivers in Missouri... Osage River at Taberville affecting Vernon and St. Clair Counties. For the Little Osage River...including Fulton, Horton...Minor flooding is forecast. For the Marmaton River...including Fort Scott, Nevada...Minor flooding is forecast. * WHAT...Minor flooding is occurring.

California Severe Thunderstorm Warning | Effective 04/21/2026 17:39

SVRHNX The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... Northwestern Tulare County in central California... Central Fresno County in central California... * Until 615 PM PDT. * At 538 PM PDT, a severe thunderstorm was located near Orange Cove, or 25 miles east of Clovis, moving northeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

California Severe Thunderstorm Warning | Effective 04/21/2026 17:11

SVRHNX The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... Northwestern Tulare County in central California... Central Fresno County in central California... * Until 545 PM PDT. * At 511 PM PDT, a severe thunderstorm was located over Reedley, or 20 miles southeast of Clovis, moving northeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
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