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.

Overcast

73°F

23°C

Humidity 55%
Wind Speed Calm
Barometer 30.24 in (1024.2 mb)
Dewpoint 55°F (13°C)
Visibility 9.00 mi
Last update 25 Sep 3:55 pm CDT
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 50. Light southeast wind. Chance of precipitation is 20%.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55. Light south wind.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Calm wind.
Saturday
Partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
A slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 50. Light southeast wind. Chance of precipitation is 20%.
Sunday
A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 52. Calm wind.
Monday
Mostly sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 50. Calm wind.
Tuesday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55. Light south wind.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52. Calm wind.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 68. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48. Light and variable wind.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
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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:
2:57 pm CDT Sep 25, 2026
Forecast Valid:
4pm CDT Sep 25, 2026-6pm CDT Oct 2, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation