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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

5°F

-15°C

Humidity 85%
Wind Speed Calm
Barometer 29.90 in (1014.9 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 21 Jan 5:55 am CST
Extended Forecast for

Warrens WI

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

  • Today

    Today: Snow showers, mainly after 1pm. High near 22. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.

    High: 22 °F

    Mostly Cloudy
    then Snow
    Showers

  • Tonight

    Tonight: Snow showers likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 3. Wind chill values as low as -8. Blustery, with a west wind 9 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 3 °F

    Snow Showers
    Likely and
    Blustery then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 12. Wind chill values as low as -12. West wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 12 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -21. Wind chill values as low as -40. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: -21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -8. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: -8 °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: Mostly sunny and cold, with a high near 0. Calm wind.

    High: 0 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -13. Calm wind.

    Low: -13 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 7. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 7 °F

    Partly Sunny

Detailed Forecast

Today
Snow showers, mainly after 1pm. High near 22. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow showers likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 3. Wind chill values as low as -8. Blustery, with a west wind 9 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 12. Wind chill values as low as -12. West wind 7 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -21. Wind chill values as low as -40. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near -8. 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
Mostly sunny and cold, with a high near 0. Calm wind.
Saturday Night
Mostly cloudy, with a low around -13. Calm wind.
Sunday
Partly sunny, with a high near 7. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -11. West wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 13. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around -2. West wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 19. West wind 3 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:
5:31 am CST Jan 21, 2026
Forecast Valid:
6am 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