Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

9°F

-13°C

Humidity 75%
Wind Speed NW 3 mph
Barometer 30.07 in (1020.0 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 31 Dec 11:55 pm CST
Extended Forecast for

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. Light west wind.  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 19. Calm wind.

    High: 19 °F

    Mostly Sunny

  • Friday Night

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

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 24. Calm wind.

    High: 24 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 25. Calm wind becoming south around 5 mph.

    High: 25 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 19. Light south wind.

    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. Light west wind. 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 19. Calm wind.
Friday Night
Mostly cloudy, with a low around 9. Calm wind.
Saturday
Mostly cloudy, with a high near 24. Calm wind.
Saturday Night
Partly cloudy, with a low around 3. Calm wind.
Sunday
Partly sunny, with a high near 25. Calm wind becoming south around 5 mph.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19. Light south wind.
Monday
Mostly sunny, with a high near 37. Light west wind.
Monday Night
Mostly cloudy, with a low around 21. Calm wind.
Tuesday
Partly sunny, with a high near 35. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 18. Light west wind.
Wednesday
Partly sunny, with a high near 32. West wind 3 to 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
10:51 pm CST Dec 31, 2025
12am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database