EAU CLAIRE, Wis. (WEAU) - Our first impactful winter storm of the year is bringing accumulating snow to Western Wisconsin to finish off the work week. The storm began Thursday afternoon and will stick around longer than typical. It’s a complex scenario as one low pressure system near the Canadian border weakens and a new one develops here in the Upper Midwest. Where that occurs in relation to the Chippewa Valley will have a big impact on total snowfall and where the highest amounts ultimately occur. The National Weather Service has issued a Winter Weather Advisory which will run through Friday night.
Scattered snow showers began early Thursday afternoon as the new low pressure system enters the region. Temperatures have been slightly above freezing abd this has prevented snow from sticking to roads through the afternoon. Later this evening and overnight however, some roads will become snow covered and slick conditions will develop. The low will then sit and spin for several hours just to our south, likely keeping a band of steady snow over our part of the state and to the west, while slowly dropping farther south into Friday morning. During this stretch of time is when the majority of the expected snowfall will occur. Though a few heavier bursts are possible, snowfall rates are generally expected to be light to moderate, staying under one inch/hour most of this event.
Accumulation was negligible through the afternoon since temperatures were above freezing and the snow was primarily light and scattered. More widespread snow appears to be headed in our direction this evening and a wet, slushy accumulation will commence. This will account for the majority of our snow accumulation with a general 2 to 3 inches by Friday morning. Snow showers may produce an additional 1-2″ on Friday before this slow moving system exits. This would lead to a general 3-5″ total accumulation for much of our area with a higher band currently forecast over our southwestern counties into the Minneapolis area. Any shift in the location or track of the low may lead to future adjustments in these amounts and where those highest totals occur, so check back in for our latest forecast on-line, on the SkyWarn 13 weather app, or on any of our daily newscasts.
What snow remains by Friday afternoon and evening should be in the process of moving away. Precipitation will be light at this point with perhaps even some mixing at times. Improvements will come by Friday night and into the start of the weekend.
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January 14, 2021 at 12:23PM
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Snowfall picks up tonight and lingers through Friday evening - WEAU
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