Tonight will be partly cloudy, mild, and muggy with patchy fog possibly developing late. There is a slight chance of showers and thunderstorms or areas well north of Madison. Temperatures will fall to the upper 70s by late evening; overnight low temperatures will fall to the lower 70s by morning.
Tuesday will be partly sunny, breezy, very warm, and humid with high temperatures in the upper 80s, with heat index values in the lower to the middle 90s. There is a chance of showers and thunderstorms in the afternoon as low pressure develops to the west of Wisconsin. Showers and thunderstorms will become likely on Tuesday night, and there is a possibility for heavy rainfall in some of the thunderstorms.
Wednesday will be mostly cloudy, breezy, warm, and humid with scattered showers and thunderstorms likely. Heavy rainfall may again be possible as a cold front moves toward Wisconsin. High temperatures will be in the middle 80s.
The cold front will move through Wisconsin on Wednesday night, with the threat of showers and thunderstorms ending early on Thursday morning. Skies will then become partly sunny, and it will be warm, but less humid in the afternoon as high temperatures top out around 80 degrees.
Another storm system will arrive for Friday. Skies will be mostly cloudy, and it will be warm with high temperatures around 80 degrees as scattered showers and thunderstorms develop. As a cold front move through on Friday night, any threat for showers should end early on Saturday. Skies will then become partly sunny, and it will turn breezy and cooler with high temperatures in the lower to the middle 70s. Sunday will be mostly sunny and pleasant with high temperatures in the middle to the upper 70s.
Another weather system will arrive on Monday of next week. Skies will be variably cloudy, and it will be breezy and warm with a chance of showers and thunderstorms. High temperatures will be in the lower 80s.
***FLOOD WATCH FOR JUNEAU AND ADAMS COUNTIES UNTIL 1 AM THURSDAY MORNING***
TONIGHT:
Partly cloudy, mild, and muggy with patchy fog late; a slight chance of a shower or thunderstorm well north of Madison.
Low: 72
Wind: S 8-15 MPH
TUESDAY:
Partly sunny, breezy, very warm, and humid with a slight chance of a shower or thunderstorm, mainly late in the day.
High: 87; Heat Index: 90 to 95
Wind: S increasing to 10-20 MPH
TUESDAY NIGHT:
Mostly cloudy, mild, and muggy with areas of fog and scattered showers and thunderstorms; some thunderstorms may have heavy rainfall.
Low: 71
Wind: S/SW 8-15 MPH
WEDNESDAY:
Mostly cloudy, breezy, warm, and humid with scattered showers and thunderstorms; some thunderstorms may have heavy rainfall.
High: 84
Wind: S/SW 10-20 MPH
THURSDAY:
Any showers and thunderstorms ending early, otherwise becoming partly sunny and warm, but turning less humid.
Low: 66
High: 80
FRIDAY:
Becoming mostly cloudy and warm with scattered showers and thunderstorms developing.
Low: 58
High: 80
SATURDAY:
Mostly cloudy with showers ending, then becoming partly sunny, breezy, and cooler.
Low: 56
High: 74
SUNDAY:
Mostly sunny and pleasant.
Low: 51
High: 76
MONDAY:
Variable cloudiness, breezy, and warm with a chance of showers and thunderstorms.
Low: 57
High: 80
NOTES:
A FLOOD WATCH is in effect until 1 AM Thursday morning for west-central Wisconsin, including the counties of MONROE, JUNEAU, ADAMS, and VERNON (this includes the La Crosse metropolitan area).
The Storm Prediction Center says there is a SLIGHT RISK of severe thunderstorms on Tuesday and Tuesday night for the southeastern quarter of Minnesota, the northwestern third of Iowa, and west-central through northeastern Wisconsin (south of a Minneapolis to Eagle River line and north of a Prairie du Chien to Green Bay line), and a MARGINAL RISK of severe thunderstorms of the rest of the southeastern third of Minnesota, the rest of the northwestern two-thirds of Iowa, and the rest of Wisconsin (except for the extreme southeastern part of the state south of a Beloit to Sheboygan line). A warm and humid air mass will cover the central Midwest on Tuesday. A low pressure system will move from northeastern Colorado to northwestern Wisconsin along a stationary front. Thunderstorms may be occurring in the morning in northern Wisconsin, perhaps intensifying in the afternoon with a threat for high winds, hail, and heavy rainfall. Additional thunderstorms will develop in Minnesota and Iowa in the afternoon and move eastward into Wisconsin at night. High winds, hail, and heavy rainfall will be the main threats, although isolated tornadoes may be possible where thunderstorms development initially takes place, mainly in Minnesota and Iowa.
The Storm Prediction Center says that there is a MARGINAL RISK of severe thunderstorms over extreme southeastern Minnesota, most of Iowa, extreme northwestern Illinois, and the southern half of Wisconsin (south of a Rochester, MN to Stevens Point to Green Bay line). As a low pressure system moves through Lake Superior, a cold front will move toward western Wisconsin as another low pressure system moves along the front into Minnesota. Thunderstorms are likely on Wednesday through the central Midwest, but widespread cloud cover may lead to cooler temperatures and a lesser threat of severe thunderstorms. Isolated severe thunderstorms are possible with high winds, hail, and heavy rainfall as the main threats.
Interactive radar
Radar images (Mobile radar images)
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