Severe

Significant threat to life or property

Alaska Winter Storm Warning | Effective 04/19/2026 21:14

* WHAT...Snow and blowing snow. Additional snow accumulations between 3 and 5 inches. Winds gusting as high as 30 mph. * WHERE...Lower Yukon and Innoko Valleys and Upper Kuskokwim Valley. * WHEN...Until 4 PM AKDT Monday. * IMPACTS...Travel could be difficult. Areas of blowing snow could significantly reduce visibility. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

Alaska Winter Storm Warning | Effective 04/19/2026 21:14

* WHAT...Snow and blowing snow. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 30 mph. * WHERE...Eastern Norton Sound and Nulato Hills. * WHEN...Until 10 AM AKDT Monday. * IMPACTS...Travel could be difficult. Visibilities may drop below 1/2 mile due to falling and blowing snow. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.

New York Freeze Watch | Effective 04/19/2026 20:53

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 32 possible. * WHERE...Northern Nassau and Southern Nassau Counties. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. Instruction: Take steps now to protect tender plants from the cold.

Missouri Flood Warning | Effective 04/19/2026 20:13

...The Flood Warning is extended for the following rivers in Missouri... Little Osage River near Horton affecting Vernon County. For the Little Osage River...including Horton...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Little Osage River near Horton. * WHEN...Until late Tuesday morning. * IMPACTS...At 45.0 feet, moderate flooding occurs at the gage site. Low lying areas along Route D near Stotesbury flood. * ADDITIONAL DETAILS...

Illinois Flood Warning | Effective 04/19/2026 20:02

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Rock River at Dixon affecting Ogle and Lee Counties. For the Rock River...including Dixon...Minor flooding is forecast. * WHAT...Minor flooding is forecasted. * WHERE...Rock River from Castle Rock State Park near Oregon downstream to Lee County line, including the Dixon gauge. * WHEN...From Monday morning to tomorrow evening. * IMPACTS...At 16.0 feet, N Canal Drive threatened in Woodland

Wisconsin Flood Warning | Effective 04/19/2026 20:00

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Wisconsin... Pecatonica River At Martintown affecting Green County. * WHAT...Minor flooding is forecast. * WHERE...Pecatonica River at Martintown. * WHEN...Until late Tuesday evening. * IMPACTS...At 13.5 feet, Floodwaters affect Martintown Road and West River Road in the Martintown area. Upstream in Browntown, floodwaters affect highway MM and West Indies Road. * ADDITIONAL DETAILS...

Illinois, Wisconsin Flood Warning | Effective 04/19/2026 20:08

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning is extended for the following rivers in Illinois...Wisconsin... Sugar River At Brodhead affecting Winnebago, Rock and Green Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties.

Wisconsin Flood Warning | Effective 04/19/2026 20:08

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning is extended for the following rivers in Illinois...Wisconsin... Sugar River At Brodhead affecting Winnebago, Rock and Green Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties.

Illinois, Wisconsin Flood Warning | Effective 04/19/2026 20:08

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning is extended for the following rivers in Illinois...Wisconsin... Sugar River At Brodhead affecting Winnebago, Rock and Green Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties.
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