Hazardous Weather Outlook
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
640 FLUS43 KMKX 171918 HWOMKX Hazardous Weather Outlook National Weather Service Milwaukee/Sullivan WI 218 PM CDT Tue Jun 17 2025 WIZ046-047-051-052-056>060-062>072-181930- Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge- Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee- Lafayette-Green-Rock-Walworth-Racine-Kenosha- 218 PM CDT Tue Jun 17 2025 This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin and southeast Wisconsin. .DAY ONE...Tonight Scattered thunderstorms are expected this evening over far southern WI then expanding to all of southern Wisconsin through the night. A strong or severe storm is possible this evening over far southern Wisconsin. Urban and small stream flooding will be possible with any of the slow moving storms. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Widespread showers and embedded storms on Wednesday will produce heavy rainfall especially over southeast Wisconsin. Urban and small stream flooding will be possible. Hot and humid conditions are forecast Saturday through Monday. Heat index values will be around 100 degrees. There are chances for thunderstorms at times Thursday night into Friday night and again Monday night and Tuesday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening. Rainfall reports are also appreciated. $$ LMZ643>646-181930- Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 218 PM CDT Tue Jun 17 2025 This Hazardous Weather Outlook is for the nearshore waters from Sheboygan Wisconsin to Winthrop Harbor Illinois. .DAY ONE...Tonight Areas of fog may develop due to relatively mild and humid air over the cold waters of Lake Michigan. Scattered thunderstorms are expected. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Areas of fog may develop due to relatively mild and humid air over the cold waters of Lake Michigan. Scattered thunderstorms are expected. There are chances for thunderstorms at times Thursday afternoon into Saturday morning, and again for Monday and Tuesday. $$ LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-181930- Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.- Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- 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- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake- Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake- 218 PM CDT Tue Jun 17 2025 This Hazardous Weather Outlook is for the open waters of Lake Michigan. .DAY ONE...Tonight There are chances for thunderstorms later this afternoon into the evening, as a front stalls over the southern half of the lake. Patchy fog may develop late. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Areas of fog may develop due to relatively mild and humid air over the cold waters of Lake Michigan. Scattered thunderstorms are expected. There are chances for thunderstorms at times Thursday night through Friday night, and again Monday and Tuesday. $$ www.weather.gov/mkx