A cold front is moving southeast through Wisconsin with scattered showers and thunderstorms forming along and ahead of the boundary. Some storms may become strong or severe with large hail, damaging winds, heavy rainfall and an isolated tornado possible. After the front passes, skies will become mostly clear overnight. It will also become cooler and less humid overnight with temperatures falling into the middle 50s by early Tuesday morning.
High pressure will influence the region on Tuesday with mostly sunny skies and warm temperatures. Highs will be near 80 degrees. Tuesday night will become mostly cloudy, mild and muggy with a chance of showers and thunderstorms developing late. Patchy fog may develop overnight, and temperatures will fall into the lower 60s by early Wednesday morning.
A frontal boundary will set up across the Midwest through the rest of the week and will remain relatively stationary. This will bring a chance of showers and thunderstorms every day Wednesday through early Monday. On Wednesday it will be humid and very mild as the front will be draped across central Wisconsin. Highs will be in the upper 70s. The front will shift a bit south on Thursday, leading to scattered showers and thunderstorms and highs in the middle 70s.
On Friday, the front will remain positioned across the Midwest as a low pressure system approaches. It will be mild with a chance of showers and thunderstorms. Highs will reach the middle 70s.
Saturday will be partly sunny and will become breezy with a slight chance of a shower or a thunderstorm. Highs will reach the middle 70s. A low pressure system will head toward Wisconsin Sunday, with showers and thunderstorms developing, mainly late in the day or at night. Highs will again reach the middle 70s. Any showers and thunderstorms will come to an end early Monday. The remainder of Monday will be partly sunny, breezy and cooler with highs near 70 degrees.
TONIGHT:
Mostly cloudy with scattered showers and thunderstorms this evening; severe thunderstorms with high winds, hail, and heavy rainfall are possible. Becoming mostly clear, cooler, and less humid overnight.
Low: 53
Wind: SW 8-15 MPH to N overnight
TUESDAY:
Mostly sunny and warm.
High: 80
Wind: SE 8-15 MPH
TUESDAY NIGHT:
Becoming mostly cloudy, mild, and muggy with a chance of showers and thunderstorms overnight; patchy fog is possible late.
Low: 62
Wind: S/SE 6-12 MPH
WEDNESDAY:
Mostly cloudy, very mild, and humid with scattered showers and thunderstorms.
High: 79
Wind: S/SE 8-15 MPH
THURSDAY:
Mostly cloudy, mild, and humid with scattered showers and thunderstorms.
Low: 64
High: 76
FRIDAY:
Variable cloudiness and mild with a chance of showers and thunderstorms.
Low: 61
High: 75
SATURDAY:
Partly sunny, becoming breezy, and mild with a slight chance of a shower or thunderstorm.
Low: 58
High: 74
SUNDAY:
Variable cloudiness, breezy, and mild with scattered showers and thunderstorms developing, mainly late in the day and at night.
Low: 58
High: 74
MONDAY:
Any lingering showers ending early, otherwise becoming partly sunny, breezy, and a little cooler.
Low: 52
High: 70
NOTES:
The Storm Prediction Center says there is a SLIGHT RISK of severe thunderstorms tonight for the eastern third of Iowa, extreme northwestern Illinois, and southwestern and south-central Wisconsin (south and west of a line from Prairie du Chien to Portage to Beaver Dam to Beloit), and a MARGINAL RISK of severe thunderstorms over the rest of the eastern half of Iowa, the rest of northwestern Illinois, and the rest of the southeastern third of Wisconsin (south and east of a La Crosse to Manitowoc line). A warm and humid air mass covers the central Midwest ahead of a cold front from northwestern Wisconsin to central Iowa. The cold front will move through Wisconsin into northern Illinois overnight. A few severe thunderstorms will develop along and ahead of the cold front. High winds, hail, heavy rainfall, and isolated tornadoes are all possible. The severe weather threat will end with the passage of the cold front later this evening.
Interactive radar
Radar images (Mobile radar images)
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