Severe

Significant threat to life or property

Illinois Flood Warning | Effective 04/20/2026 09:00

...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until further notice.

Illinois Flood Warning | Effective 04/20/2026 09:00

...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pecatonica River at Freeport. * WHEN...Until late tomorrow evening.

Illinois Flood Warning | Effective 04/20/2026 09:00

...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Rock River at Moline. * WHEN...Until further notice.

Iowa Flood Warning | Effective 04/20/2026 09:05

...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. ...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...Until tomorrow afternoon. * IMPACTS...At 13.0 feet, Water affects Edgewater Road and 245th Street near Conesville. * ADDITIONAL DETAILS...

Iowa Flood Warning | Effective 04/20/2026 09:05

...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. ...The Flood Warning is extended for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until late tomorrow morning. * IMPACTS...At 16.0 feet, Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS...

Illinois Flood Warning | Effective 04/20/2026 09:08

...Forecast flooding changed from Moderate to Major severity for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, Kane and McHenry Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater, Montgomery...Major flooding is forecast. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge.

Kansas, Nebraska Red Flag Warning | Effective 04/20/2026 09:09

* WINDS...South-southwesterly with sustained speeds near 15 to 20 mph and gusts near 25 to 30 mph. * RELATIVE HUMIDITY...As low as 10 to 15 percent for areas west of Highway 281, as low as 15 to 20 percent for areas along and east of Highway 281. * IMPACTS...Any fire that develops will spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of

California Winter Storm Warning | Effective 04/20/2026 09:10

* WHAT...Heavy snow possible. Total snow accumulations 3 to 5 inches above 7,000 feet, with 12 to 18 inches possible at the highest elevations of the Sierra Nevada. Winds could gust as high as 75 mph along the Sierra crest. * WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Sequoia NP, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...From 2 AM Tuesday to 5 PM PDT Wednesday. * IMPACTS...Travel could be very difficult to impossible. The

Wisconsin Flood Warning | Effective 04/20/2026 09:14

...The Flood Warning is extended for the following rivers in Wisconsin...Illinois... Fox River At Princeton affecting Green Lake County. Sugar River At Brodhead affecting Green, Rock and Winnebago Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River Lower At Waukesha affecting Waukesha County. Wisconsin River At Portage affecting Columbia County. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties.

Wisconsin Flood Warning | Effective 04/20/2026 09:14

...The Flood Warning is extended for the following rivers in Wisconsin...Illinois... Fox River At Princeton affecting Green Lake County. Sugar River At Brodhead affecting Green, Rock and Winnebago Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River Lower At Waukesha affecting Waukesha County. Wisconsin River At Portage affecting Columbia County. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties.
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