Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

11°F

-12°C

Humidity	62%
Wind Speed	Calm
Barometer	30.20 in
Dewpoint	0°F (-18°C)
Visibility	10.00 mi
Last update	20 Jan 5:35 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SE Mukwonago WI

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm

Winter Weather Advisory January 20, 09:00pm until January 21, 06:00am

Click here for hazard details and duration

Extreme Cold Watch

Winter Weather Advisory

Tonight
Low: 10 °F
Heavy Snow
Wednesday
High: 23 °F
Chance Snow
Wednesday Night
Low: 7 °F
Snow Likely
then Partly
Cloudy
Thursday
High: 15 °F
Mostly Sunny
Thursday Night
Low: -14 °F
Partly Cloudy
Friday
High: -6 °F
Cold
Friday Night
Low: -15 °F
Partly Cloudy
Saturday
High: 2 °F
Partly Sunny
then Slight
Chance Snow
Saturday Night
Low: -5 °F
Chance Snow

Detailed Forecast

Tonight

Snow, mainly after 9pm. The snow could be heavy at times. Low around 10. South wind around 5 mph becoming calm. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

A slight chance of snow before 8am, then a chance of snow after 4pm. Mostly cloudy, with a high near 23. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 40%.

Wednesday Night

Snow likely, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between -10 and zero. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Thursday

Mostly sunny, with a high near 15. Wind chill values between -10 and zero. West wind around 15 mph, with gusts as high as 25 mph.

Thursday Night

Partly cloudy, with a low around -14. Northwest wind 10 to 15 mph.

Friday

Sunny and cold, with a high near -6. Northwest wind 10 to 15 mph.

Friday Night

Partly cloudy, with a low around -15. Northwest wind 5 to 10 mph.

Saturday

A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 2. Northwest wind around 5 mph.

Saturday Night

A 30 percent chance of snow. Mostly cloudy, with a low around -5.