Active Weather Alerts
Special Marine Warning
Issued: 1:02 AM Apr. 15, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 915 PM CDT... For the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Wind Point WI... At 801 PM CDT, strong thunderstorms were located along a line extending from 20 nm southeast of Oostburg to 27 nm east of Port Washington to 22 nm east of North Pt. Lt., moving east at 25 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Port Washington. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1000 PM CDT for southeastern Wisconsin...and the adjacent waters of Lake Michigan. Move to safe harbor until hazardous weather passes. && HAIL...<.75IN; WIND...49KTS
Special Marine Warning
Issued: 1:00 AM Apr. 15, 2026 – National Weather Service
The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from North Point Light WI to Winthrop Harbor IL... * Until 1000 PM CDT. * At 800 PM CDT, strong thunderstorms were located along a line extending from 33 nm southwest of White Lake Pier Heads to 27 nm northeast of Wind Pt. to near Cudahy to 24 nm west of Milwaukee to 39 nm northwest of McHenry, moving east at 35 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1000 PM CDT for southeastern Wisconsin...and the adjacent waters of Lake Michigan. Move to safe harbor until hazardous weather passes. && HAIL...<.75IN; WIND...40KTS
Flash Flood Warning
Issued: 12:58 AM Apr. 15, 2026 – National Weather Service
The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Northern Milwaukee County in southeastern Wisconsin... Northeastern Waukesha County in southeastern Wisconsin... * Until 1100 PM CDT. * At 758 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Milwaukee, Waukesha, West Allis, Wauwatosa, New Berlin, Brookfield, Menomonee Falls, Whitefish Bay, Pewaukee, Brown Deer, Sussex, St. Francis, Fox Point, Elm Grove, Bayside, West Milwaukee, Glendale, Butler, River Hills and Lannon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Flash Flood Warning
Issued: 12:10 AM Apr. 15, 2026 – National Weather Service
The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Southeastern Dodge County in southeastern Wisconsin... Northwestern Milwaukee County in southeastern Wisconsin... Southwestern Ozaukee County in southeastern Wisconsin... Southern Washington County in southeastern Wisconsin... Northern Waukesha County in southeastern Wisconsin... * Until 1015 PM CDT. * At 710 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Northern Milwaukee, Brookfield, Menomonee Falls, Mequon, Hartford, Pewaukee, Brown Deer, Grafton, Cedarburg, Sussex, Hartland, Delafield, Jackson, Slinger, Bayside, Thiensville, Germantown, Okauchee Lake, Glendale and Oconomowoc. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED
Tornado Watch
Issued: 7:34 PM Apr. 14, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 109 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 20 COUNTIES IN EAST CENTRAL WISCONSIN FOND DU LAC SHEBOYGAN IN SOUTH CENTRAL WISCONSIN COLUMBIA DANE GREEN GREEN LAKE IOWA LAFAYETTE MARQUETTE ROCK SAUK IN SOUTHEAST WISCONSIN DODGE JEFFERSON KENOSHA MILWAUKEE OZAUKEE RACINE WALWORTH WASHINGTON WAUKESHA THIS INCLUDES THE CITIES OF ARGYLE, BARABOO, BARNEVELD, BEAVER DAM, BELMONT, BELOIT, BENTON, BERLIN, BLANCHARDVILLE, BRODHEAD, BROOKFIELD, CEDARBURG, COLUMBUS, DARLINGTON, DELAVAN, DODGEVILLE, EAST TROY, ELKHORN, ENDEAVOR, FOND DU LAC, FORT ATKINSON, GERMANTOWN, GRAFTON, HARTFORD, HOWARDS GROVE, JANESVILLE, JEFFERSON, KENOSHA, LAKE GENEVA, LAKE WISCONSIN, LODI, MADISON, MARKESAN, MAYVILLE, MENOMONEE FALLS, MEQUON, MILWAUKEE, MINERAL POINT, MONROE, MONTELLO, MUSKEGO, NESHKORO, NEW BERLIN, OOSTBURG, OXFORD, PLYMOUTH, PORTAGE, PRAIRIE DU SAC, PRINCETON, RACINE, REEDSBURG, SAUK CITY, SHEBOYGAN FALLS, SHULLSBURG, WATERTOWN, WAUKESHA, WAUPUN, WEST BEND, WESTFIELD, AND WHITEWATER.
Tornado Watch
Issued: 7:34 PM Apr. 14, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 109 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS SHEBOYGAN TO PORT WASHINGTON WI PORT WASHINGTON TO NORTH POINT LIGHT WI NORTH POINT LIGHT TO WIND POINT WI WIND POINT WI TO WINTHROP HARBOR IL LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5NM OFFSHORE TO MID LAKE LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5NM OFFSHORE TO MID LAKE
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