FPUS53 KMKX 180931 ZFPMKX SOUTH-CENTRAL AND SOUTHEAST WISCONSIN ZONE FORECAST National Weather Service Milwaukee/Sullivan WI 431 AM CDT Mon May 18 2026 WIZ066-182100- Milwaukee- Including the city of Milwaukee 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Rain showers likely and chance of thunderstorms. South winds 5 to 15 mph. Chance of precipitation 60 percent. .TODAY...Warmer. Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the late morning and afternoon. Highs around 80. Southwest winds 10 to 20 mph. Chance of precipitation 60 percent. .TONIGHT...Warmer. Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers likely and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 60 percent. .TUESDAY...Partly sunny. Showers likely and chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Highs around 80. West winds 15 to 20 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Much cooler. Mostly sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .THURSDAY...Partly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Mostly cloudy with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly sunny. Highs in the mid 70s. $$ WIZ065-182100- Waukesha- Including the cities of Waukesha, Brookfield, New Berlin, Menomonee Falls, and Muskego 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 5 to 15 mph. Chance of precipitation 60 percent. .TODAY...Warmer. Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the late morning and afternoon. Highs around 80. Southwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 60 percent. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers likely and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY...Mostly cloudy until late afternoon then becoming mostly sunny. Showers likely and chance of thunderstorms in the morning. Highs in the upper 70s. West winds 15 to 20 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs around 60. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Mostly cloudy with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly sunny. Highs in the upper 70s. $$ WIZ063-182100- Dane- Including the city of Madison 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 70 percent. .TODAY...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s. South winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Partly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the lower 70s. West winds 15 to 20 mph. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of light rain showers through around midnight, then mostly cloudy after midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. A 20 percent chance of light rain showers and thunderstorms in the afternoon. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs around 80. $$ WIZ071-182100- Racine- Including the city of Racine 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph. Chance of precipitation 60 percent. .TODAY...Warmer. Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds 10 to 20 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers likely and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY...Partly sunny. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Partly sunny. Highs in the upper 50s. Northeast winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Mostly cloudy with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Mostly cloudy through around midnight then becoming partly cloudy. Lows in the lower 50s. .SUNDAY...Partly sunny. Highs in the upper 70s. $$ WIZ072-182100- Kenosha- Including the city of Kenosha 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph. Chance of precipitation 60 percent. .TODAY...Warmer. Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds 10 to 20 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers likely and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY...Partly sunny. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Highs around 80. West winds 15 to 20 mph with gusts to around 35 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Much cooler. Partly sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .THURSDAY...Partly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Mostly cloudy with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly sunny. Highs in the upper 70s. $$ WIZ052-182100- Sheboygan- Including the cities of Plymouth, Sheboygan Falls, Howards Grove, and Oostburg 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Mostly cloudy with a 50 percent chance of rain showers and thunderstorms. South winds 5 to 15 mph. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of rain showers and thunderstorms. Highs 69 to 75 NEAR THE LAKE AND in the upper 70s INLAND. Southwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Chance of rain showers and thunderstorms until early morning, then rain showers likely and chance of thunderstorms early in the morning. Lows in the upper 50s NEAR THE LAKE AND in the mid 60s INLAND. South winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 70 percent. .TUESDAY...Partly sunny. A 50 percent chance of rain showers and thunderstorms in the morning. Highs in the upper 70s. West winds 15 to 20 mph with gusts to around 35 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the upper 50s. North winds 5 to 15 mph shifting to the northeast 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the lower 60s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .SATURDAY...Partly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly cloudy through around midnight then becoming partly cloudy. Lows in the upper 40s. .SUNDAY...Mostly sunny. Highs in the lower 70s. $$ WIZ051-182100- Fond du Lac- Including the city of Fond Du Lac 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Mostly cloudy with a 50 percent chance of showers and thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 80. Southwest winds 10 to 20 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Breezy. Partly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the mid 70s. West winds 15 to 25 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the mid 40s. Northwest winds 10 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the upper 50s. North winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs around 60. .THURSDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. A 20 percent chance of light rain showers. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Mostly sunny. Highs in the upper 70s. $$ WIZ069-182100- Rock- Including the cities of Janesville and Beloit 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 60 percent. .TODAY...Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the late morning and afternoon. Highs in the lower 80s. Southwest winds 15 to 20 mph. Chance of precipitation 70 percent. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the mid 60s. South winds 15 to 20 mph. Chance of precipitation 80 percent. .TUESDAY...Breezy. Partly sunny. Showers likely and chance of thunderstorms in the morning. Highs in the mid 70s. West winds 15 to 25 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly cloudy. A 30 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. A 20 percent chance of light rain showers and thunderstorms in the afternoon. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 80s. $$ WIZ059-182100- Washington- Including the cities of West Bend, Germantown, and Hartford 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Partly cloudy with a 50 percent chance of rain showers and thunderstorms. South winds 5 to 15 mph. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 80. Southwest winds 10 to 15 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers likely and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY...Partly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the upper 70s. West winds 15 to 20 mph. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs around 60. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of light rain showers. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Mostly cloudy through around midnight then becoming partly cloudy. Lows around 50. .SUNDAY...Mostly sunny. Highs in the upper 70s. $$ WIZ060-182100- Ozaukee- Including the cities of Mequon, Cedarburg, and Grafton 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Partly cloudy with a 50 percent chance of rain showers and thunderstorms. South winds 5 to 10 mph. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of rain showers and thunderstorms. Highs 71 to 77 NEAR THE LAKE AND around 80 INLAND. Southwest winds 10 to 15 mph. .TONIGHT...Warmer. Mostly cloudy. Chance of rain showers and thunderstorms until early morning, then rain showers likely and chance of thunderstorms early in the morning. Lows around 60 NEAR THE LAKE AND in the mid 60s INLAND. South winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 60 percent. .TUESDAY...Partly sunny until late afternoon then clearing. Showers likely and chance of thunderstorms in the morning. Highs in the upper 70s. West winds 15 to 20 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Much cooler. Mostly sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the lower 60s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly cloudy through around midnight then becoming partly cloudy. Lows around 50. .SUNDAY...Mostly sunny. Highs in the mid 70s. $$ WIZ070-182100- Walworth- Including the cities of Whitewater, Delavan, Elkhorn, Lake Geneva, and East Troy 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 60 percent. .TODAY...Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the late morning and afternoon. Highs around 80. Southwest winds 10 to 20 mph. Chance of precipitation 70 percent. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers likely and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY...Breezy. Partly sunny. Showers likely and chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. West winds 15 to 25 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Partly sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs around 60. .THURSDAY NIGHT...Mostly cloudy. A 30 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Mostly cloudy with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Partly sunny. Highs in the upper 70s. $$ WIZ064-182100- Jefferson- Including the cities of Watertown, Fort Atkinson, and Jefferson 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph. Chance of precipitation 60 percent. .TODAY...Mostly cloudy. Showers likely and chance of thunderstorms in the morning, then chance of showers and thunderstorms in the late morning and afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of precipitation 60 percent. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Chance of showers and thunderstorms until early morning, then showers and chance of thunderstorms early in the morning. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 80 percent. .TUESDAY...Partly sunny. Showers likely and chance of thunderstorms in the morning. Highs in the mid 70s. West winds 15 to 20 mph. Chance of precipitation 60 percent. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of light rain showers through around midnight, then mostly cloudy after midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the upper 70s. $$ WIZ058-182100- Dodge- Including the cities of Beaver Dam, Waupun, and Mayville 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Mostly cloudy with showers likely and chance of thunderstorms. South winds 10 to 15 mph. Chance of precipitation 60 percent. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms until early morning, then showers and chance of thunderstorms early in the morning. Lows in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 80 percent. .TUESDAY...Mostly cloudy until late afternoon then becoming mostly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the mid 70s. West winds 15 to 20 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the lower 60s. North winds 5 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of light rain showers through around midnight, then mostly cloudy after midnight. Lows in the mid 40s. .SATURDAY...Partly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Mostly sunny. Highs in the upper 70s. $$ WIZ056-182100- Sauk- Including the cities of Baraboo, Reedsburg, Prairie Du Sac, and Sauk City 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 5 to 15 mph. Chance of precipitation 70 percent. .TODAY...Warmer. Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds 10 to 15 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 90 percent. .TUESDAY...Cooler. Partly sunny. A 40 percent chance of showers and thunderstorms in the morning. Highs around 70. West winds 10 to 20 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. North winds up to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Partly cloudy through around midnight, then mostly cloudy with a 20 percent chance of light rain showers after midnight. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs around 80. $$ WIZ057-182100- Columbia- Including the cities of Portage, Columbus, Lake Wisconsin, and Lodi 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 5 to 15 mph. Chance of precipitation 70 percent. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Partly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the lower 70s. West winds 10 to 20 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Mostly sunny. Highs in the lower 60s. North winds up to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the mid 40s. .SATURDAY...Partly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Mostly sunny. Highs in the upper 70s. $$ WIZ068-182100- Green- Including the cities of Monroe and Brodhead 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 60 percent. .TODAY...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s. South winds 10 to 20 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Partly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the mid 70s. West winds 15 to 20 mph. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler. Sunny in the morning then becoming partly sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .THURSDAY...Partly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly cloudy. A 30 percent chance of light rain showers after midnight. Lows in the mid 40s. .FRIDAY...Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 40s. .SATURDAY...Partly sunny. A 20 percent chance of light rain showers and thunderstorms in the afternoon. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 80s. $$ WIZ062-182100- Iowa- Including the cities of Dodgeville, Mineral Point, and Barneveld 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 70 percent. .TODAY...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s. South winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Cooler. Partly sunny. A 40 percent chance of showers and thunderstorms in the morning. Highs in the lower 70s. West winds 10 to 20 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. North winds up to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .THURSDAY...Partly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of light rain showers and thunderstorms after midnight. Lows in the mid 40s. .FRIDAY...Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 80s. $$ WIZ067-182100- Lafayette- Including the cities of Darlington, Shullsburg, Benton, Belmont, Argyle, and Blanchardville 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Showers likely and chance of thunderstorms. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 70 percent. .TODAY...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 80. South winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Partly sunny. A 40 percent chance of showers and thunderstorms in the morning. Highs in the lower 70s. West winds 15 to 20 mph. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows in the mid 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .THURSDAY...Partly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly cloudy with chance of light rain showers and slight chance of thunderstorms. Lows in the mid 40s. Chance of precipitation 30 percent. .FRIDAY...Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SATURDAY...Partly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly sunny. Highs in the lower 80s. $$ WIZ046-182100- Marquette- Including the cities of Montello, Westfield, Oxford, Neshkoro, and Endeavor 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Rain showers likely and chance of thunderstorms. South winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 70 percent. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds 10 to 15 mph. .TONIGHT...Warmer. Mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY...Cooler. Partly sunny. A 40 percent chance of showers and thunderstorms in the morning. Highs in the lower 70s. West winds around 15 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler, sunny. Highs in the lower 60s. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the mid 40s. .SATURDAY...Partly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Mostly sunny. Highs around 80. $$ WIZ047-182100- Green Lake- Including the cities of Berlin, Princeton, and Markesan 431 AM CDT Mon May 18 2026 .EARLY THIS MORNING...Rain showers likely and chance of thunderstorms. South winds 5 to 15 mph. Chance of precipitation 60 percent. .TODAY...Warmer. Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs around 80. Southwest winds 10 to 15 mph with gusts to around 30 mph. .TONIGHT...Warmer. Partly cloudy in the evening then becoming mostly cloudy. Chance of showers and thunderstorms through around midnight, then showers and chance of thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY...Partly sunny. A 50 percent chance of showers and thunderstorms in the morning. Highs in the lower 70s. West winds 15 to 20 mph. .TUESDAY NIGHT...Colder. Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph. .WEDNESDAY...Cooler, sunny. Highs around 60. North winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 40s. .FRIDAY...Partly sunny with a 20 percent chance of light rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of light rain showers through around midnight, then mostly cloudy after midnight. Lows in the mid 40s. .SATURDAY...Partly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Mostly sunny. Highs in the upper 70s. $$