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

0°F

-18°C

Humidity 80%
Wind Speed Calm
Barometer 30.37 in (1030.5 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 7 Feb 4:55 am CST
Extended Forecast for

Warrens WI

  • Today

    Today: Increasing clouds, with a high near 23. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 23 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of snow or flurries before 11pm, then a slight chance of flurries between 11pm and 2am. Mostly cloudy, with a low around 13. Southeast wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Southeast wind 5 to 7 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South wind 3 to 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. South wind 3 to 6 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Calm wind becoming northwest around 5 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Northwest wind 5 to 8 mph.

    High: 45 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. Northwest wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Northwest wind around 6 mph.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 23. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
A slight chance of snow or flurries before 11pm, then a slight chance of flurries between 11pm and 2am. Mostly cloudy, with a low around 13. Southeast wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 31. Southeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 19. South wind 3 to 5 mph.
Monday
Partly sunny, with a high near 43. South wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 29. Calm wind becoming northwest around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 45. Northwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Northwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 36. Northwest wind around 6 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 19. Light and variable wind.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 39. Southeast wind 3 to 6 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21. Light southeast wind.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 41. Southeast wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
5:21 am CST Feb 7, 2026
Forecast Valid:
5am CST Feb 7, 2026-6pm CST Feb 13, 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