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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

16°F

-9°C

Humidity 84%
Wind Speed Calm
Barometer 29.84 in (1012.4 mb)
Dewpoint 12°F (-11°C)
Visibility 9.00 mi
Last update 21 Jan 9:55 am CST
Extended Forecast for

3 Miles SW 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: Scattered flurries before 1pm, then snow showers, mainly after 1pm. High near 23. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.

    High: 23 °F

    Mostly Cloudy
    then Snow
    Showers

  • Tonight

    Tonight: Snow showers likely, mainly before 7pm. Mostly cloudy, with a low around 2. Wind chill values as low as -9. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Blustery.
    Snow Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Scattered flurries with isolated snow showers before 1pm, then scattered flurries between 1pm and 5pm. Mostly cloudy, with a high near 13. Wind chill values as low as -12. Breezy, with a west wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 13 °F

    Mostly Cloudy
    then Isolated
    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -21. Wind chill values as low as -41. Northwest wind 11 to 14 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 7 to 11 mph, with gusts as high as 23 mph.

    High: -8 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -21. Northwest wind around 6 mph becoming calm in the evening.

    Low: -21 °F

    Partly Cloudy

  • Saturday

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

    High: 0 °F

    Cold

  • Saturday Night

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

    Low: -13 °F

    Partly Cloudy

  • Sunday

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

    High: 7 °F

    Partly Sunny

Detailed Forecast

Today
Scattered flurries before 1pm, then snow showers, mainly after 1pm. High near 23. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow showers likely, mainly before 7pm. Mostly cloudy, with a low around 2. Wind chill values as low as -9. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Scattered flurries with isolated snow showers before 1pm, then scattered flurries between 1pm and 5pm. Mostly cloudy, with a high near 13. Wind chill values as low as -12. Breezy, with a west wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around -21. Wind chill values as low as -41. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near -8. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around -21. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny and cold, with a high near 0. Calm wind.
Saturday Night
Partly cloudy, with a low around -13. Calm wind.
Sunday
Partly sunny, with a high near 7. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -11. West wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 13. West wind 6 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 19. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
10:06 am CST Jan 21, 2026
Forecast Valid:
10am 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