Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

0°F

-18°C

Humidity 60%
Wind Speed W 8 mph
Barometer 30.22 in
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 19 Jan 5:55 pm CST
Extended Forecast for

4 Miles SE Mukwonago WI

  • Tonight

    Tonight: Partly cloudy, with a low around -3. Wind chill values between -10 and -15. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 14. Wind chill values between -5 and -15. West wind 5 to 15 mph.

    High: 14 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after 8pm.  Temperature falling to near 10 by 8pm, then rising to around 20 during the remainder of the night. South wind around 5 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon.  Mostly cloudy, with a high near 24. West wind 5 to 15 mph.

    High: 24 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before midnight.  Mostly cloudy, with a low around 6. West wind 10 to 15 mph.

    Low: 6 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 15. West wind 10 to 15 mph.

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -12. West wind around 10 mph.

    Low: -12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -4. Northwest wind 10 to 15 mph.

    High: -4 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around -17.

    Low: -17 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around -3. Wind chill values between -10 and -15. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 14. Wind chill values between -5 and -15. West wind 5 to 15 mph.
Tuesday Night
Snow, mainly after 8pm. Temperature falling to near 10 by 8pm, then rising to around 20 during the remainder of the night. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 24. West wind 5 to 15 mph.
Wednesday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 6. West wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 15. West wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around -12. West wind around 10 mph.
Friday
Mostly sunny and cold, with a high near -4. Northwest wind 10 to 15 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -17.
Saturday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 0.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -12.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 8.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -3.
Monday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mukwonago WI
 42.84°N 88.29°W (Elev. 892 ft)
4:46 pm CST Jan 19, 2026
6pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database