Wisconsin Weather

Spring-Like by Midweek with Big Storm System

By Justin Poublon
March 11, 2019 - 4:13 PM CST | 248   0

7 Day forecast for Stevens Point, WI. Obviously temps and other things may be different depending on your location.
7 Day forecast for Stevens Point, WI. Obviously temps and other things may be different depending on your location.

Today/tonight will be colder than average but distinctly warmer by mid-week. How warm it gets Wed-Thurs will depend on your location and snow cover; certainly near or above average for mid-March. The warmth will be accompanied by rain and maybe a thunderstorm.

GFS reflectivity loop this week
GFS reflectivity loop this week

Thursday will be the warmest day and I think southern WI could see 50-60s; colder north. I labeled high temperatures as stretch goals because we have so much snow which may keep things cooler than forecast.

7 - day temperature forecast for Stevens Point.
7 - day temperature forecast for Stevens Point.

Thursday predicted highs. Might be colder in central/ northern Wisconsin due to snow cover.
Thursday predicted highs. Might be colder in central/ northern Wisconsin due to snow cover.

Water World

Around 1.0" of rainfall is predicted this week. High temperatures could reach 40/50 or even 60 (south) by Thursday afternoon. We have 20-30 inches of snow on the ground roughly north of a Green Bay/La Crosse line with liquid water content ranging from 4-10"+ that will begin melting. While there is less snow south; I predict the issues to be mostly the same.

GFS simulated precipitation amounts this week.
GFS simulated precipitation amounts this week.

Liquid water equivalent
Liquid water equivalent

The combination of rain, spring warmth, and melting snow will cause flooding on city streets. It will probably cause flooding in small streams and flood prone areas too. The water has no where to go. The ground is still frozen and the snow hangs over the curbs 2ft+ in some places.

Get ahead of the flooding if you can by clearing storm drains and creating pathways for water to drain. I know it's near-impossible with snow piles ten feet high hanging 2ft+ off the curb . If you live in the country I would start thinking about small rivers, streams, and flood prone areas. I am not exactly sure how that situation will evolve.

It will be the 2019 Wisconsin-version of "Water World" for some of us. Be prepared and plan ahead.

Thunderstorm Potential

Thunderstorms possible on Thursday, potentially strong to the southeast.
Thunderstorms possible on Thursday, potentially strong to the southeast.

Thunderstorms are possible; best chance during the afternoon in southeast Wisconsin. Not a widespread likelihood; more isolated or scattered. I'm also watching the potential for strong thunderstorms. I've highlighted a target zone that will probably need an upgrade.

It will be windy at times. The strongest gusts potentially around or exceeding 40 mph in southeast WI sometime Thursday. Hopefully the wind keeps the fog down. On Friday a cold front arrives knocking us back down to average temps and maybe some light snow. We will take it day by day and keep you updated throughout the week!

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