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

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

49°F

9°C

Humidity 48%
Wind Speed Calm
Barometer 30.03 in (1018.1 mb)
Dewpoint 31°F (-1°C)
Visibility 9.00 mi
Last update 13 Feb 12:55 pm CST
Extended Forecast for

Warrens WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. West wind around 6 mph becoming calm.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming south around 5 mph.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Calm wind becoming south around 6 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 58. West wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 47. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 50. West wind around 6 mph becoming calm.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 22. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 28. Calm wind.
Sunday
Mostly sunny, with a high near 53. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 34. Calm wind becoming south around 6 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 58. West wind 5 to 8 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 32. Light and variable wind.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 47. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Rain and snow. Low around 33. East wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 46. East wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. Northwest wind around 7 mph becoming east after midnight.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39. East wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
1:11 pm CST Feb 13, 2026
Forecast Valid:
1pm CST Feb 13, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation