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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

-19°F

-28°C

Humidity 68%
Wind Speed Calm
Barometer 30.74 in (1045.4 mb)
Dewpoint -27°F (-33°C)
Visibility 10.00 mi
Last update 23 Jan 6:55 pm CST
Extended Forecast for

4 Miles NW Melvina WI

Cold Weather Advisory until January 24, 12:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 24, 12:00am

    NOW until 12:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 1. Wind chill values as low as -20. Calm wind.

    High: 1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -11. Calm wind.

    Low: -11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 7. Wind chill values as low as -9. Calm wind becoming north around 6 mph in the afternoon.

    High: 7 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -12. Northwest wind around 6 mph.

    Low: -12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 11. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 11 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1. Southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 1 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 14 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around -21. Wind chill values as low as -28. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny and cold, with a high near 1. Wind chill values as low as -20. Calm wind.
Saturday Night
Mostly cloudy, with a low around -11. Calm wind.
Sunday
Mostly sunny, with a high near 7. Wind chill values as low as -9. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -12. Northwest wind around 6 mph.
Monday
Sunny, with a high near 11. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 1. Southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.
Tuesday
Partly sunny, with a high near 14. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around -3. West wind 5 to 7 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 12. West wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around -5. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 13. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around -2. Northwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 18. Northwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
1:41 pm CST Jan 23, 2026
Forecast Valid:
7pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
Forecast Discussion
 
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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