Immediate

Responsive action SHOULD be taken immediately

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

...The Flood Warning continues for the following rivers in<br /> 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...<br /> - At 8:00 PM CDT Tuesday the stage was 15.4 feet.<br /> - Bankfull stage is 13.0 feet.<br /> - Recent Activity...The maximum river stage in the 24 hours<br /> ending at 8:00 PM CDT Tuesday was 16.6 feet.<br />

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

...The Flood Warning continues for the following rivers in<br /> 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<br /> 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<br />

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

...The Flood Warning continues for the following rivers in<br /> 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<br /> Rock State Park near Oregon, including the Byron gauge. * WHEN...Until Friday morning. * IMPACTS...At 13.5 feet, Numerous low-lying structures downstream<br /> of Byron are flooded. * ADDITIONAL DETAILS...<br />

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

...The Flood Warning continues for the following rivers in<br /> 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<br /> Road in Roscoe, including the Rockton gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Multiple low-lying roads threatened along<br /> the river in Roscoe. * ADDITIONAL DETAILS...<br />

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

...The Flood Warning continues for the following rivers in<br /> 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<br /> confluence with the Rock River, including the Shirland gauge. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Structures threatened at Rivers Edge<br /> Campground east of Shirland. * ADDITIONAL DETAILS...<br /> - At 8:00 PM CDT Tuesday the stage was 13.9 feet.<br />

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

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

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

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

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

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