First Alert Day - Threat of a few strong storms into Tuesday night.
A few strong to severe storms will be possible north of Madison Tuesday afternoon.
MADISON, Wis. (WMTV) - Tuesday has been declared a First Alert Weather Day. With the cold front approaching from the north, scattered rain showers, downpours and thunderstorms will be possible. Places north of Madison towards central Wisconsin will have the best rain and storm chances into early tonight. Most places south of Madison towards the WI-IL state line will likely stay dry through Wednesday morning as the rain and storm activity drops south this evening it is likely going to fizzle out.
There is a slight threat of severe weather for Adams, Green Lake,, Juneau, Marquette and Vernon Co. This is the area in southern Wisconsin that will have the best rain chances and the greatest threat of severe weather. A marginal threat of severe weather extends south to Madison and the I-94 corridor. Strong to severe storms are not expected places south of Madison. The strongest storms that develop could produce strong to damaging wind gusts, small hail, locally heavy rain and lightning. The tornado threat is not zero, but it is very low.
Any threat of a stronger storm will come to an end Tuesday night, but the chance of rain will only increase. Scattered to widely scattered rain showers with a few storms will increase late tonight into Wednesday morning. Lows Tuesday night into Wednesday morning will range from the upper 50s north of Madison to the upper 60s along the WI-IL state line.
Wednesday is going to be a wet and cool summer day. Rain will be likely with a chance of a thunderstorms Wednesday morning through much of Wednesday afternoon. With the clouds and rain and cold front dropping south of the area, highs on Wednesday will only be in the upper 60s to near 70 degrees, which is well below average for this time of year. High temperature in Madison for this time of year is 82 degrees.
Widespread rainfall totals will be between 0.25″ and 0.75″. Locally higher amounts are expected north of Madison and where the thunderstorms develop. Some places south of Madison towards the WI-IL state line might not even see 0.25″ of rain.
Thursday will be the pick day of the workweek. Thursday will be mostly sunny to partly cloudy and dry. Thursday will still be a cool day, though. Highs on Thursday will only be in the upper 60s to near 70 degrees.
An active weather pattern will return for the end of the workweek and this weekend. Rain and a few storms will be likely late Friday through Saturday. More rain showers and storms will be possible Sunday into Monday. Highs Friday through early next week will be in the mid to upper 70s, which is still below average for this time of year.
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