Today will remain warm and humid with a good chance for scattered showers and thunderstorms in the afternoon and evening as a low pressure system and cold front approach from the west, moving along a stationary front over southern Wisconsin. As a result, some of these thunderstorms could be severe with hail, high winds, and heavy rainfall through this evening. Highs will reach the lower to middle 80s with heat index values near 90. The cold front will move through tonight, with showers and thunderstorms ending with the passage of the front.
Behind the cold front, temperatures will fall off, and humidity levels should decrease as well. Tuesday will be variably cloudy, but there is a chance for some showers to develop, mainly in the afternoon. Highs will be in the upper 70s. Wednesday will be partly sunny and even cooler, with a slight chance for afternoon showers. Highs will be in the lower 70s.
The weather looks to be very nice for Thursda! y and the Friday, the Fourth of July. It should be mostly sunny with highs in the middle 70s on Thursday, turning a little warmer on Friday with highs back up to around 80 degrees.
A little more heat and humidity returns next weekend, with highs in the lower to middle 80s, leading to at least a chance of thunderstorms Saturday and Sunday.
***Flash Flood Watch for SW WI from 7AM this morning until 7PM this evening***
TODAY:
Variable cloudiness, breezy, warm, and humid with scattered showers and thunderstorms, especially in the afternoon; a few thunderstorms may be severe with hail, high winds, and heavy rainfall.
High: 83
Wind: S/SW 10-20 MPH
TONIGHT:
Mostly cloudy and turning cooler with scattered showers and thunderstorms, especially in the evening; a few thunderstorms may be severe early.
Low: 62
Wind: W/NW 8-15 MPH
TUESDAY:
Variable cloudiness, breezy! , a little cooler and less humid; a chance for mainly afternoon shower s.
High: 78
Wind: WNW 10-20 MPH
TUESDAY NIGHT:
Mostly cloudy with showers ending in the evening, then becoming partly cloudy and cooler.
Low: 56
Wind: N/NW 8-15 MPH
WEDNESDAY:
Partly sunny and cooler with a slight chance for afternoon showers.
High: 71
Wind: N 8-15 MPH
THURSDAY:
Mostly sunny and pleasant.
Low: 53
High: 75
FOURTH OF JULY (FRIDAY):
Mostly sunny and a little warmer.
Low: 54
High: 80
SATURDAY:
Partly sunny and warm with a slight chance for showers and thunderstorms.
Low: 59
High: 83
SUNDAY:
Partly sunny, very warm, and more humid with a chance for showers and thunderstorms.
Low: 65
High: 85; Heat Index: 87 to 92
MONDAY:
Variable cloudiness, very warm, and humid with scattered showers a! nd thunderstorms.
Low: 67
High: 85; Heat Index: 87 to 92
NOTES:
The Storm Prediction Center says that there is a MODERATE RISK of severe thunderstorms for today and tonight over the southeastern half of Iowa, the northwestern half of Illinois, and extreme southwestern Wisconsin (south and of a Prairie du Chien to Beloit line). There is a SLIGHT RISK of severe thunderstorms for today and tonight for extreme southeastern Minnesota, the rest of Iowa, the rest of the northern three-quarters of Illinois, and the rest of the southeastern half of Wisconsin (south of a Rochester, MN to Wausau to Marinette, MI line). A stationary front will extend across northern Iowa into southern Wisconsin from low pressure located over Iowa. As the low pressure system moves eastward along the stationary front, a cold front will move through Iowa into southern Wisconsin and northern Illinois by evening. Thunderstorms will de! velop along both fronts, and should become severe by this afternoon. H ail, high winds, heavy rainfall, and a few tornadoes are possible with the severe thunderstorms. The highest severe weather potential will be in the warmest and most humid air, probably from southeastern Iowa into northern Illinois. The severe weather threat will end with the passage of the cold front tonight.
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