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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

21°F

-6°C

Humidity 78%
Wind Speed SW 13 mph
Barometer 29.83 in (1012.0 mb)
Dewpoint 15°F (-9°C)
Visibility 7.00 mi
Wind Chill8°F (-13°C)
Last update 21 Jan 11:55 am CST
Extended Forecast for

Warrens WI

Extreme Cold Watch January 23, 11:00am until January 24, 12:00pm
Extreme Cold Warning January 23, 12:00am until January 23, 11:00am
Click here for hazard details and duration
Extreme Cold Watch
Extreme Cold Warning

  • This Afternoon

    This Afternoon: Snow, mainly after 1pm. High near 23. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 23 °F

    Snow

  • Tonight

    Tonight: Snow likely, mainly before 8pm. Mostly cloudy, with a low around 2. Wind chill values as low as -10. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Snow Likely
    and Blustery
    then Mostly
    Cloudy

  • Thursday

    Thursday: A chance of flurries before 5pm. Partly sunny, with a high near 13. Wind chill values as low as -12. West wind 7 to 15 mph, with gusts as high as 30 mph.

    High: 13 °F

    Chance
    Flurries

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -22. Wind chill values as low as -43. Northwest wind 10 to 13 mph, with gusts as high as 30 mph.

    Low: -22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -7. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -22. Northwest wind around 5 mph becoming calm in the evening.

    Low: -22 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 0. Calm wind.

    High: 0 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -10. Calm wind.

    Low: -10 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow. Partly sunny, with a high near 8. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 8 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Snow, mainly after 1pm. High near 23. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 2. Wind chill values as low as -10. Blustery, with a northwest wind 8 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of flurries before 5pm. Partly sunny, with a high near 13. Wind chill values as low as -12. West wind 7 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around -22. Wind chill values as low as -43. Northwest wind 10 to 13 mph, with gusts as high as 30 mph.
Friday
Mostly sunny and cold, with a high near -7. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around -22. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny and cold, with a high near 0. Calm wind.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -10. Calm wind.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 8. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around -11. Northwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 10. West wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around -2. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 18. West wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
12:36 pm CST Jan 21, 2026
Forecast Valid:
12pm CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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