A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. into Thursday. Additional impacts are likely into Friday with a cold front. A fast-moving storm system will cross the Northeast U.S. Wednesday into Thursday with gusty to high winds and areas of rain and high elevation snow showers. Read More >
Overview
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A two pronged winter storm affected the area from Friday afternoon through late Saturday night. It ended a few hours after midnight (Dec. 18) in far southeast WI. Much of southern Wisconsin saw 8 to 11 inches of snow. Areas from Madison west had lower amounts of only saw about 4 to 6 inches. The first round hit Friday afternoon and evening and resulted in 2 to 5 inches of snow. The next round, Saturday afternoon and night, dropped another 2 to 6 inches of snow. This storm brought accumulating snowfall to the entire state.
Then, bitter cold temperatures moved in Saturday night through Monday morning. Lows bottomed out at -7 in southeast WI to -24 in southwest WI, and wind chill values dropped down to -20 to -35. |
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Snow
2 Day snowfall totals are shown in the maps below. The time period is from Friday afternoon December 16 to early Sunday morning, December 18th.
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Cold
Minimum Temperatures
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| Dec 18 Lows |
Dec 19 Lows |
Dec 18 Lows |
Dec 19 Lows |
Wind Chill
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| Dec 18 Lows |
Dec 19 Lows |
Dec 18 Lows |
Dec 19 Lows |
Photos & Video:
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| Judy Dalton Wildes Concord |
Cassie Paap Cambridge |
Tiffany Debrabant Walworth County |
Rhonda Westover Beaver Dam |
Storm Reports
Location Amount Time/Date Lat/Lon Columbia County Portage 8.0 in 0900 AM 12/18 43.55N/89.47W 7 WSW Portage 7.6 in 0700 AM 12/18 43.48N/89.57W Lodi 5.0 in 0700 AM 12/18 43.32N/89.53W Dane County Madison Airport 7.4 in 0546 AM 12/18 43.14N/89.33W 1 SSW Shorewood Hills 6.4 in 0700 AM 12/18 43.06N/89.46W Oregon 6.2 in 0630 AM 12/18 42.92N/89.39W Mt Horeb 6.0 in 0700 AM 12/18 42.98N/89.74W 1 W Shorewood Hills 5.8 in 0700 AM 12/18 43.08N/89.47W 3 NE Verona 5.5 in 0734 AM 12/18 43.02N/89.48W Middleton 5.5 in 0700 AM 12/18 43.09N/89.51W Dodge County 3 WNW Beaver Dam 9.1 in 1214 AM 12/18 43.48N/88.89W Horicon-WWTP 7.7 in 0700 AM 12/18 43.45N/88.63W Fond du Lac County Ripon 8.0 in 0100 PM 12/18 43.85N/88.84W Taycheedah 7.5 in 0625 AM 12/18 43.83N/88.35W Green County 2 SE Monticello 5.7 in 0700 AM 12/18 42.72N/89.56W Green Lake County 3 S Berlin 7.2 in 1130 AM 12/18 43.93N/88.95W Iowa County 5 SE Dodgeville 4.5 in 0700 AM 12/18 42.91N/90.06W Jefferson County 3 SE Sullivan-NWS 9.6 in 0507 AM 12/18 42.98N/88.55W 1 SW Palmyra 8.7 in 1228 AM 12/18 42.87N/88.60W 1 NW Whitewater 7.7 in 0700 AM 12/18 42.85N/88.75W Watertown 7.5 in 0700 AM 12/18 43.17N/88.74W Whitewater 7.0 in 0645 AM 12/18 42.86N/88.73W Fort Atkinson 7.0 in 0700 AM 12/18 42.88N/88.83W Kenosha County Paddock Lake 7.5 in 0700 AM 12/18 42.57N/88.10W Pleasant Prairie 6.0 in 0700 AM 12/18 42.56N/87.94W 2 WSW Kenosha 5.6 in 0700 AM 12/18 42.56N/87.86W Kenosha-Water Pollution Cont 5.5 in 1200 AM 12/18 42.55N/87.81W Lafayette County Benton 5.7 in 0745 AM 12/18 42.57N/90.39W 4 NNW South Wayne 5.3 in 0730 AM 12/18 42.63N/89.90W Marquette County Oxford 6n 5.7 in 0830 AM 12/18 43.86N/89.56W Milwaukee County 3 W Oak Creek 9.3 in 0815 AM 12/18 42.89N/87.95W Oak Creek 9.0 in 1100 AM 12/18 42.89N/87.90W 1 NW Glendale 8.8 in 1230 AM 12/18 43.14N/87.94W 2 WSW Cudahy 8.6 in 0546 AM 12/18 42.94N/87.90W Mt. Mary College 8.0 in 0700 AM 12/18 43.07N/88.03W 1 ENE Greendale 6.2 in 0700 AM 12/18 42.94N/87.98W Ozaukee County Newburg 8.5 in 0700 AM 12/18 43.43N/88.04W Belgium-WWTP 8.0 in 0700 AM 12/18 43.51N/87.85W Cedarburg 8.0 in 0615 AM 12/18 43.30N/87.99W Port Washington-CoCoRaHS 6.9 in 0700 AM 12/18 43.39N/87.88W Saukville-WWTP 6.0 in 0600 AM 12/18 43.37N/87.94W Racine County 4 N Sturtevant 8.0 in 0925 AM 12/18 42.76N/87.91W Union Grove 8.0 in 0700 AM 12/18 42.70N/88.03W 1 NW Elmwood Park 7.6 in 0700 AM 12/18 42.71N/87.85W 2 WSW Racine 7.6 in 0700 AM 12/18 42.73N/87.82W 3 W North Bay 6.7 in 0615 AM 12/18 42.76N/87.83W 1 NNW Racine 5.2 in 0700 AM 12/18 42.75N/87.79W Rock County 1 W Janesville 8.4 in 0815 AM 12/18 42.69N/89.03W Milton 8.0 in 1216 AM 12/18 42.78N/88.95W 2 NNW Clinton 7.6 in 0815 AM 12/18 42.60N/88.88W Edgerton 7.2 in 1216 AM 12/18 42.84N/89.07W Afton-Rock River 6.3 in 0700 AM 12/18 42.62N/89.07W Beloit 5.7 in 0700 AM 12/18 42.50N/89.03W Beloit 4.7 in 0500 AM 12/18 42.53N/89.21W Sauk County Reedsburg 1nne 6.5 in 0510 AM 12/18 43.55N/90.00W 2 WSW Rock Springs 5.9 in 0700 AM 12/18 43.46N/89.97W Reedsburg 5.4 in 0800 AM 12/18 43.52N/90.00W Sheboygan County Sheboygan-WWTP 11.0 in 0800 AM 12/18 43.72N/87.71W 1 ESE Kohler 10.0 in 0900 PM 12/17 43.73N/87.75W 1 NW Random Lake 9.5 in 1030 AM 12/18 43.56N/87.97W 2 NNW Sheboygan 9.4 in 0600 AM 12/18 43.78N/87.72W 3 NNE Kohler 9.4 in 0700 AM 12/18 43.78N/87.77W Random Lake-CoCoRaHS 9.2 in 0700 AM 12/18 43.55N/87.95W Elkhart Lake 8.1 in 0700 AM 12/18 43.83N/88.02W 1 E Sheboygan Falls 8.0 in 0345 PM 12/17 43.73N/87.81W Plymouth 6.3 in 0730 AM 12/18 43.75N/87.98W Walworth County Delevan 7.0 in 0710 AM 12/18 42.63N/88.66W Lake Geneva 5.8 in 0700 AM 12/18 42.59N/88.42W Washington County Slinger 9.8 in 1200 PM 12/18 43.34N/88.29W 1 NE Germantown 8.1 in 0109 PM 12/18 43.25N/88.11W West Bend-Public Works 8.0 in 0624 AM 12/18 43.41N/88.19W Hartford 7.7 in 0546 AM 12/18 43.32N/88.39W 3 W Jackson 7.3 in 0600 AM 12/18 43.32N/88.22W Waukesha County 1 NNE Okauchee Lake 11.2 in 0900 AM 12/18 43.15N/88.43W 1 NE Sussex 11.0 in 0930 AM 12/18 43.14N/88.21W 2 SSE North Prairie 10.5 in 0730 AM 12/18 42.91N/88.39W 2 NNW Brookfield 10.0 in 1100 PM 12/17 43.08N/88.14W 3 S Waukesha 10.0 in 0123 PM 12/18 42.97N/88.24W Waukesha 10.0 in 0507 AM 12/18 43.01N/88.24W Waukesha 2.1 SSW 9.4 in 0700 AM 12/18 42.98N/88.25W 3 SW New Berlin 9.4 in 0545 AM 12/18 42.94N/88.17W Sussex 9.4 in 0700 AM 12/18 43.14N/88.22W 3 SW New Berlin 9.1 in 0545 AM 12/18 42.94N/88.17W 1 E Merton 8.8 in 0800 AM 12/18 43.14N/88.29W 1 WNW New Berlin 8.6 in 0700 AM 12/18 42.98N/88.16W 2 SW Oconomowoc 8.6 in 0700 AM 12/18 43.09N/88.52W South 8.4 in 0814 AM 12/18 43.11N/88.50W Oconomowoc 8.4 in 0658 AM 12/18 43.11N/88.50W Merton 1.5n 8.3 in 0710 AM 12/18 43.17N/88.30W 1 E Merton 8.3 in 0945 AM 12/18 43.14N/88.29W 2 SE Eagle 8.2 in 0700 AM 12/18 42.85N/88.44W 1 WNW Oconomowoc 8.2 in 1216 AM 12/18 43.11N/88.52W Pewaukee 8.2 in 0507 AM 12/18 43.09N/88.25W Hartland 8.0 in 0655 AM 12/18 43.10N/88.35W 1 SE Brookfield 8.0 in 0809 AM 12/18 43.05N/88.11W Oconomowoc 8.0 in 0700 AM 12/18 43.10N/88.50W Mukwonago 7.8 in 0700 AM 12/18 42.87N/88.33W Observations are collected from a variety of sources with varying equipment and exposures. Not all data listed are considered official.
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