National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Overcast

42°F

6°C

Humidity 62%
Wind Speed W 14 mph
Barometer 29.54 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Jan 8:35 pm CST
Extended Forecast for

Mukwonago WI

  • Tonight

    Tonight: Scattered snow showers after 2am. Cloudy, with a low around 20. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Cloudy then
    Scattered
    Snow Showers
    and Blustery

  • Wednesday

    Wednesday: Isolated snow showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 23. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 23 °F

    Blustery.
    Isolated Snow
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. North wind 5 to 15 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow. Low around 22. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow

  • Friday

    Friday: Snow. High near 34. West wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. West wind 10 to 15 mph. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Likely

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 18. Northwest wind 10 to 15 mph.

    High: 18 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers after 2am. Cloudy, with a low around 20. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday
Isolated snow showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 23. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 11. North wind 5 to 15 mph.
Thursday
Increasing clouds, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Snow. Low around 22. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 34. West wind 10 to 15 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. West wind 10 to 15 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 18. Northwest wind 10 to 15 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Sunday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 15.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 3.
M.L.King Day
A 20 percent chance of snow. Partly sunny, with a high near 13.
Monday Night
Partly cloudy, with a low around -2.
Tuesday
Mostly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
Last Update:
7:37 pm CST Jan 13, 2026
Forecast Valid:
8pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation