Severe

Significant threat to life or property

Iowa, Wisconsin Severe Flood Watch | Effective 09/18/2026 23:01

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northeast Iowa, including the following county, Clayton and southwest Wisconsin, including the following counties, Crawford, Grant and Richland. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread rain has developed across the region today and will

Iowa, Minnesota, Wisconsin Severe Flood Watch | Effective 09/18/2026 23:01

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Iowa, including the following counties, Allamakee, Chickasaw, Fayette, Floyd, Howard, Mitchell and Winneshiek, southeast Minnesota, including the following counties, Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and Winona, and Wisconsin, including the following counties, Adams, Buffalo, Jackson, Juneau, La Crosse, Monroe, Trempealeau and Vernon. * WHEN...Until 1 PM CDT this afternoon.

Minnesota Severe Flash Flood Warning | Effective 09/18/2026 23:07

FFWMPX The National Weather Service in the Twin Cities has issued a * Flash Flood Warning for... Northeastern Faribault County in south central Minnesota... Northern Freeborn County in south central Minnesota... Southern Steele County in south central Minnesota... Southern Waseca County in south central Minnesota... * Until 500 AM CDT. * At 107 AM CDT, local law enforcement reported thunderstorms producing heavy rain in southern Waseca county along the MN Highway

, Alaska Severe High Wind Watch | Effective 09/18/2026 23:07

* WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Haines Borough and Klukwan and Municipality of Skagway. * WHEN...From late Saturday night through Monday morning. * IMPACTS...High winds could blow around unsecured objects, damage property and cause power outages. Travel could be difficult. * ADDITIONAL DETAILS...Winds will quickly increase as a strong low pressure system moves into the northern gulf. Confidence has increased on strong wind gusts around 50 to 60 mph occurring near

Alaska Severe High Wind Watch | Effective 09/18/2026 23:07

* WHAT...Southeast winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...City and Borough of Yakutat. * WHEN...From late Saturday night through Sunday afternoon. * IMPACTS...High winds could blow around unsecured objects, damage property and cause power outages. Travel could be difficult. * ADDITIONAL DETAILS...Winds will quickly increase as a strong low pressure system moves into the northern gulf. Confidence is high that wind gusts will reach near 40 to 50 mph, but confidence

Wisconsin Severe Flash Flood Warning | Effective 09/18/2026 22:21

FFWARX The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Vernon County in southwestern Wisconsin... * Until 415 AM CDT. * At 1221 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Minnesota Severe Flash Flood Warning | Effective 09/18/2026 22:23

FFWARX The National Weather Service in La Crosse has extended the * Flash Flood Warning for... Northern Fillmore County in southeastern Minnesota... Northern Mower County in southeastern Minnesota... * Until 230 AM CDT. * At 1223 AM CDT, local law enforcement reported thunderstorms producing heavy rain in trees were washed down at highway 43 from south Rushford to Bratsberg. Minnesota highway 16 between Wayland and Peterson has flooding reported along the highway. Water is over

Minnesota Severe Flash Flood Warning | Effective 09/18/2026 22:25

At 1225 AM CDT, local law enforcement reported thunderstorms producing heavy rain. A mudslide was reported on Highway 76 west of Caledonia near Badger Creek. Water going over the roadway at Beaver Creek Valley State Park. Between 4 and 6.5 inches of rain have fallen. Additional rainfall amounts up to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported.

Minnesota Severe Flash Flood Warning | Effective 09/18/2026 21:46

FFWARX The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Southern Fillmore County in southeastern Minnesota... * Until 345 AM CDT. * At 1146 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3.5 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms.
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