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

6°F

-14°C

Humidity 76%
Wind Speed Calm
Barometer 30.06 in (1019.8 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 1 Jan 1:55 am CST
Extended Forecast for

Warrens WI

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 2. Wind chill values as low as -9. Calm wind becoming northwest around 5 mph.

    Low: 2 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Snow before 4pm, then a chance of flurries between 4pm and 5pm. High near 14. Wind chill values as low as -9. West wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 14 °F

    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2. Wind chill values as low as -5. West wind 3 to 5 mph.

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17. Wind chill values as low as -4. Calm wind becoming northwest around 6 mph.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 23. Calm wind becoming west around 5 mph.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1. Calm wind.

    Low: 1 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 25. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 25 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17. Southeast wind 3 to 6 mph.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 2. Wind chill values as low as -9. Calm wind becoming northwest around 5 mph.
New Year's Day
Snow before 4pm, then a chance of flurries between 4pm and 5pm. High near 14. Wind chill values as low as -9. West wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
Partly cloudy, with a low around 2. Wind chill values as low as -5. West wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 17. Wind chill values as low as -4. Calm wind becoming northwest around 6 mph.
Friday Night
Mostly cloudy, with a low around 7. Calm wind.
Saturday
Partly sunny, with a high near 23. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 1. Calm wind.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 25. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17. Southeast wind 3 to 6 mph.
Monday
Partly sunny, with a high near 35. Southwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 21. Calm wind.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 38. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 22. West wind around 6 mph.
Wednesday
Partly sunny, with a high near 34. West wind around 6 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:
2:21 am CST Jan 1, 2026
Forecast Valid:
2am 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation