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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

51°F

11°C

Humidity 55%
Wind Speed W 17 G 26 mph
Barometer 29.45 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Jan 2:15 pm CST
Extended Forecast for

2 Miles W Potter Lake WI

  • This Afternoon

    This Afternoon: Sunny early, then becoming mostly cloudy, with a high near 50. West wind around 15 mph, with gusts as high as 30 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Scattered snow showers, mainly after 3am. 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. Partly 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
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Wind chill values between zero and 5. North wind 5 to 15 mph.

    Low: 10 °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 around 10 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%.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 12. West wind 10 to 15 mph. Chance of precipitation is 60%.

    Low: 12 °F

    Snow Likely

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 18.

    High: 18 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny early, then becoming mostly cloudy, with a high near 50. West wind around 15 mph, with gusts as high as 30 mph.
Tonight
Scattered snow showers, mainly after 3am. 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. Partly 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 10. Wind chill values between zero and 5. 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 around 10 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%.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 12. 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.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Sunday
A 30 percent chance of snow. 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Potter Lake WI
 42.82°N 88.38°W (Elev. 823 ft)
Last Update:
2:17 pm CST Jan 13, 2026
Forecast Valid:
2pm CST Jan 13, 2026-6pm CST Jan 19, 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