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First Alert Day: Mess of snow & rain for Tuesday

After a quiet weekend, the next weather system brings snow, rain, and an overall slushy mess for Tuesday.
Published: Nov. 22, 2020 at 3:47 PM CST|Updated: Nov. 22, 2020 at 6:25 PM CST
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MADISON, Wis. (WMTV) - Tuesday is now a First Alert Day. Snow showers may leave an accumulation between 1-3″ before a transition to rain in the afternoon. Snow melts into slush. Overall, travel will be tricky throughout Tuesday morning and early afternoon.

Tuesday is now a First Alert Day. Snowfall and a transition to rain may make travel tricky.
Tuesday is now a First Alert Day. Snowfall and a transition to rain may make travel tricky.(WMTV NBC15)

High pressure has moved East and allowed cloud cover to filter back into the Badger State Sunday. Snow flurries have stayed well North, but they’ll be back in the neighborhood in just a few days.

The November temperature trend continues for the upcoming week. Temperatures start in the upper 20′s and round out in the upper 30′s/lower 40′s Monday & Tuesday. After Monday sunshine, clouds roll in ahead of the next weather maker.

A low-pressure center develops in the lee of the Rocky Mountains and swings across the Plains. A cold air mass will be in place across Wisconsin throughout Monday and Tuesday. Ahead of the system, warm air surges in from the south & creates widespread snow flurries on Tuesday morning. This may quickly drop an accumulation which stands between 1-3″. The snow won’t stick around for long since the atmosphere will warm & allow for a transition to rain by Tuesday afternoon. Tuesday morning travel may get tricky with accumulations sticking on roadways. Once the transition to rain begins, the snow will melt into slush before completely washing away in the evening.

Snow Showers will spread into Wisconsin on Tuesday morning. Early estimates project 1-3" of...
Snow Showers will spread into Wisconsin on Tuesday morning. Early estimates project 1-3" of accumulation.(WMTV NBC15)

Rain continues through Wednesday morning before exiting along with the weather system. High pressure settles in for Thanksgiving Day - allowing for a mostly sunny - partly cloudy sky. Highs will top out in the lower 40′s.

Models disagree on the overall pattern for next weekend. However, clouds will likely roll in Friday and stick around through Saturday/Sunday. Early projects show a surge of cold air dropping into the Midwest during the first week of December.

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