Immediate

Responsive action SHOULD be taken immediately

Michigan Severe Thunderstorm Warning | Effective 05/17/2026 15:02

At 601 PM EDT, a severe thunderstorm was located near Quanicassee, or near Akron, moving northeast at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. This severe storm will be near... Sebewaing, Akron, and Unionville around 605 PM EDT. Owendale around 620 PM EDT. Gagetown around 625 PM EDT.

Colorado Severe Thunderstorm Warning | Effective 05/17/2026 15:11

At 410 PM MDT, a severe thunderstorm was located 12 miles south of Seibert, moving east at 55 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Burlington, Stratton, Seibert, Bethune, Vona, and Arapahoe. This includes the following highways...

Nebraska Severe Thunderstorm Warning | Effective 05/17/2026 15:12

At 512 PM CDT, a severe thunderstorm was located near St. Paul, or 22 miles north of Grand Island, moving northeast at 50 mph. THIS IS A DESTRUCTIVE STORM FOR ST PAUL AND CUSHING. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. This severe storm will be near... Cushing around 515 PM CDT.

Michigan Tornado Warning | Effective 05/17/2026 15:13

At 613 PM EDT, a severe thunderstorm capable of producing a tornado was located over Unionville, or near Akron, moving east at 35 mph. HAZARD...Tornado and two inch hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This dangerous storm will be near... Gagetown and Owendale around 620 PM EDT. Cass City around 625 PM EDT.

Iowa, Minnesota Severe Thunderstorm Warning | Effective 05/17/2026 15:13

At 513 PM CDT, severe thunderstorms were located along a line extending from Beaver Creek to near Hills to Alvord, moving northeast at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Luverne, Rock Rapids, Blue Mounds State Park, Ellsworth, Adrian, Lismore and Little Rock.

Georgia Severe Thunderstorm Warning | Effective 05/17/2026 15:15

At 615 PM EDT, a severe thunderstorm was located over Dexter, or 7 miles southwest of Dublin, moving northwest at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Dublin, Dexter, Dudley, and Harlow. For your protection move to an interior room on the lowest floor of a building.

Missouri Flood Warning | Effective 05/17/2026 15:15

...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Livingston and Daviess Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Carroll, Livingston and Linn Counties. Grand River near Chillicothe affecting Livingston and Linn Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Chillicothe. * WHEN...Until Wednesday afternoon.

Missouri Flood Warning | Effective 05/17/2026 15:15

...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Livingston and Daviess Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Carroll, Livingston and Linn Counties. Grand River near Chillicothe affecting Livingston and Linn Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Sumner. * WHEN...Until late Thursday night.

Missouri Flood Warning | Effective 05/17/2026 15:15

...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Livingston and Daviess Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Carroll, Livingston and Linn Counties. Grand River near Chillicothe affecting Livingston and Linn Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Grand River near Pattonsburg. * WHEN...Until Monday evening.

Missouri Flood Warning | Effective 05/17/2026 15:15

...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Livingston and Daviess Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Carroll, Livingston and Linn Counties. Grand River near Chillicothe affecting Livingston and Linn Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Grand River near Gallatin. * WHEN...Until Tuesday afternoon. * ADDITIONAL DETAILS...
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