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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

7°F

-14°C

Humidity 73%
Wind Speed Calm
Barometer 30.07 in (1020.1 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 1 Jan 12:55 am CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Overnight

    Overnight: Partly cloudy, with a low around 0. Northwest wind 3 to 5 mph.

    Low: 0 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Snow likely, mainly before 2pm. Mostly cloudy, with a high near 15. Wind chill values as low as -7. West wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 15 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20. Calm wind.

    High: 20 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 24. Calm wind.

    High: 24 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19. South wind around 5 mph becoming calm after midnight.

    Low: 19 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 0. Northwest wind 3 to 5 mph.
New Year's Day
Snow likely, mainly before 2pm. Mostly cloudy, with a high near 15. Wind chill values as low as -7. West wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 4. Calm wind.
Friday
Mostly sunny, with a high near 20. Calm wind.
Friday Night
Mostly cloudy, with a low around 9. Calm wind.
Saturday
Partly sunny, with a high near 24. Calm wind.
Saturday Night
Partly cloudy, with a low around 4. Calm wind.
Sunday
Partly sunny, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19. South wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 37. Light west wind.
Monday Night
Mostly cloudy, with a low around 22. Calm wind.
Tuesday
Partly sunny, with a high near 35. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 18. Light west wind.
Wednesday
Partly sunny, with a high near 32. West wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
10:51 pm CST Dec 31, 2025
Forecast Valid:
1am CST Jan 1, 2026-6pm CST Jan 7, 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