Severe

Significant threat to life or property

Illinois Flood Warning | Effective 04/19/2026 09:10

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...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 moderate flooding is<br /> forecasted to occur. * 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.

Illinois Flood Warning | Effective 04/19/2026 09:10

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...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 moderate flooding is<br /> forecasted to occur. * WHERE...Rock River from Prairie Hill Road downstream to Swanson<br /> Road in Roscoe, including the Rockton gauge. * WHEN...Until further notice.

California Winter Storm Watch | Effective 04/19/2026 09:11

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Heavy snow possible above 5000 feet. Total snow<br /> accumulations of up to 12 to 18 inches, with up to 2 feet at the<br /> highest peaks. Minor accumulations of up to 2 inches possible down<br /> to 4500 feet. Southwest winds could gust as high as 50 mph. * WHERE...Sierra Nevada and southern Cascades above 5000 feet,<br /> including Highway 50, Interstate 80 and Lassen National Park. * WHEN...From late Monday night through Wednesday afternoon.

Michigan, Wisconsin Flood Warning | Effective 04/19/2026 09:15

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Michigan...Wisconsin... Menominee River near Niagara affecting Dickinson, Menominee,<br /> Marinette and Florence Counties. Menominee River near Vulcan affecting Dickinson, Menominee and<br /> Marinette Counties. Menominee River near McAllister affecting Menominee and Marinette<br /> Counties. For the Menominee River...including Vulcan, Niagara, McAllister...<br /> Moderate flooding is forecast.

Michigan, Wisconsin Flood Warning | Effective 04/19/2026 09:15

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Michigan...Wisconsin... Menominee River near Niagara affecting Dickinson, Menominee,<br /> Marinette and Florence Counties. Menominee River near Vulcan affecting Dickinson, Menominee and<br /> Marinette Counties. Menominee River near McAllister affecting Menominee and Marinette<br /> Counties. For the Menominee River...including Vulcan, Niagara, McAllister...<br /> Moderate flooding is forecast.

Michigan, Wisconsin Flood Warning | Effective 04/19/2026 09:15

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Michigan...Wisconsin... Menominee River near Niagara affecting Dickinson, Menominee,<br /> Marinette and Florence Counties. Menominee River near Vulcan affecting Dickinson, Menominee and<br /> Marinette Counties. Menominee River near McAllister affecting Menominee and Marinette<br /> Counties. For the Menominee River...including Vulcan, Niagara, McAllister...<br /> Moderate flooding is forecast.

Ohio, Pennsylvania, West Virginia Freeze Watch | Effective 04/19/2026 09:17

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...For the Freeze Warning, sub-freezing temperatures as low as<br /> 28 expected. For the Freeze Watch, sub-freezing temperatures as low<br /> as 24 possible. * WHERE...Portions of east central Ohio, northwest, southwest, and<br /> western Pennsylvania, and northern West Virginia. * WHEN...For the Freeze Warning, from 2 AM to 10 AM EDT Monday. For<br /> the Freeze Watch, from Monday evening through Tuesday morning.

Ohio, Pennsylvania, West Virginia Freeze Watch | Effective 04/19/2026 09:17

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...For the Frost Advisory, temperatures as low as 33 will<br /> result in frost formation. For the Freeze Watch, sub-freezing<br /> temperatures as low as 27 possible. * WHERE...Portions of east central Ohio, southwest and western<br /> Pennsylvania, and northern and the northern panhandle of West<br /> Virginia. * WHEN...For the Frost Advisory, from 2 AM to 10 AM EDT Monday. For<br /> the Freeze Watch, from Monday evening through Tuesday morning.

Illinois Flood Watch | Effective 04/19/2026 09:19

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Watch continues for the following rivers in Illinois... Rock River at Dixon affecting Lee and Ogle Counties. * WHAT...Flooding is possible. * WHERE...Rock River from Castle Rock State Park near Oregon<br /> downstream to Lee County line, including the Dixon gauge. * WHEN...From Monday morning to Tuesday morning. * IMPACTS...At 16.0 feet, N Canal Drive threatened in Woodland<br /> Shores. Water overflows low-lying banks along west First Street in<br />

Michigan Flood Warning | Effective 04/19/2026 08:46

* WHAT...Existing water from heavy rainfall last week is routing<br /> through the streams, rivers and lakes. Water is gradually<br /> receding, but is still flooding low lying areas, creeks, streams,<br /> and rivers. * WHERE...A portion of northern Michigan, including the following<br /> counties, Manistee and Wexford. * WHEN...Until 645 PM EDT Tuesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying<br /> and flood-prone locations is occurring. Several structures are<br />
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