Immediate

Responsive action SHOULD be taken immediately

Indiana Severe Thunderstorm Warning | Effective 04/17/2026 20:57

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 1056 PM CDT/1156 PM EDT/, severe thunderstorms were located along<br /> a line extending from 6 miles northwest of Porter to near Hebron to<br /> near Hanging Grove, moving northeast at 65 mph. This line of storms<br /> has a history of producing winds of 60 to 70 mph. HAZARD...70 mph wind gusts. SOURCE...Law enforcement. IMPACT...Expect considerable tree damage. Damage is likely to mobile<br /> homes, roofs, and outbuildings. Locations impacted include...<br />

Illinois Flood Warning | Effective 04/17/2026 20:57

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...Minor flooding is occurring and moderate flooding is<br /> forecast. * WHERE...Rock River from Confluence with Kishwaukee River to Castle<br /> Rock State Park near Oregon, including the Byron gauge. * WHEN...Until further notice.

Illinois Flood Warning | Effective 04/17/2026 20:57

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...Minor flooding is occurring and moderate flooding is<br /> forecast. * 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 04/17/2026 20:57

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...Minor flooding is occurring and moderate flooding is<br /> forecast. * WHERE...Rock River from Prairie Hill Road downstream to Swanson<br /> Road in Roscoe, including the Rockton gauge. * WHEN...Until further notice.

Michigan Flood Warning | Effective 04/17/2026 20:24

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flooding caused by rain continues. * WHERE...A portion of northern Michigan, including the following<br /> counties, Antrim, Benzie, Crawford, Grand Traverse, Kalkaska,<br /> Leelanau, Manistee, Missaukee, Roscommon and Wexford. * WHEN...Until 745 PM EDT Sunday. * IMPACTS...Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS...<br /> - At 1123 PM EDT, ongoing flooding is being experienced across<br />

Michigan Flood Warning | Effective 04/17/2026 20:25

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flooding caused by rain continues. * WHERE...A portion of northern Michigan, including the following<br /> counties, Alcona, Arenac, Crawford, Gladwin, Iosco, Ogemaw, Oscoda<br /> and Roscommon. * WHEN...Until 800 PM EDT Sunday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying<br /> and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS...<br /> - At 1125 PM EDT, ongoing flooding is being experienced across<br />

Michigan Flood Warning | Effective 04/17/2026 20:26

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...A portion of northern Michigan, including the following<br /> counties, Alcona, Alpena, Cheboygan, Iosco, Montmorency, Oscoda,<br /> Otsego and Presque Isle. * WHEN...Until 800 PM EDT Sunday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying<br /> and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS...<br />

Michigan Flood Warning | Effective 04/17/2026 20:26

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...A portion of northern Michigan, including the following<br /> counties, Antrim, Charlevoix, Cheboygan, Crawford, Emmet, Grand<br /> Traverse, Kalkaska, Montmorency, Oscoda, Otsego and Roscommon. * WHEN...Until 800 PM EDT Sunday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying<br /> and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS...<br />

Michigan Flood Warning | Effective 04/17/2026 20:27

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...A portion of northern Michigan, including the following<br /> counties, Cheboygan and Emmet. * WHEN...Until 800 PM EDT Sunday. * IMPACTS...Historic flooding is occurring following recent heavy<br /> rainfall and snowmelt. Roads and structures near lakes and rivers<br /> will continue to see high water levels and potential wash outs. * ADDITIONAL DETAILS...<br />

Wisconsin Flood Warning | Effective 04/17/2026 20:27

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning is extended for the following rivers in<br /> Wisconsin... Wisconsin River at Castle Rock Dam affecting Juneau and Adams<br /> Counties. Yellow River at Necedah affecting Juneau County. * WHAT...Moderate flooding is occurring and moderate flooding is<br /> forecast. This approaches the flood of record. * WHERE...Yellow River at Necedah. * WHEN...Until Thursday afternoon. * ADDITIONAL DETAILS...<br />
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