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

19°F

-7°C

Humidity 90%
Wind Speed Calm
Barometer 30.09 in (1020.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 13 Feb 7:55 am CST
Extended Forecast for

Warrens WI

  • Today

    Today: Sunny, with a high near 50. Calm wind becoming west around 6 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming south around 5 mph.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Light and variable wind.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind becoming west around 5 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 57. Southwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Calm wind becoming east around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 52. East wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 50. Calm wind becoming west around 6 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 24. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 28. Light and variable wind.
Sunday
Sunny, with a high near 50. Calm wind becoming west around 5 mph.
Sunday Night
Mostly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.
Washington's Birthday
Sunny, with a high near 57. Southwest wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 33. Calm wind becoming east around 5 mph after midnight.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 52. East wind 5 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 37. East wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday
Rain likely. Partly sunny, with a high near 50. Southeast wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Northeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 37. Northeast wind 8 to 11 mph, with gusts as high as 21 mph.
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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:
5:51 am CST Feb 13, 2026
Forecast Valid:
8am CST Feb 13, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

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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