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 74%
Wind Speed Calm
Barometer 30.25 in (1028.0 mb)
Dewpoint -24°F (-31°C)
Visibility 10.00 mi
Last update 20 Jan 2:55 am CST
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Mostly clear, with a low around -6. Wind chill values as low as -16. West wind around 6 mph.

    Low: -6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 14. Wind chill values as low as -16. Southwest wind 5 to 9 mph.

    High: 14 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 2am.  Cloudy, with a steady temperature around 12. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 12 °F

    Snow Likely

  • Wednesday

    Wednesday: A 50 percent chance of snow after noon.  Partly sunny, with a high near 24. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 24 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3. West wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 14. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 14 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -17. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: -17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -5. Northwest wind 6 to 9 mph.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -18. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -18 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around -6. Wind chill values as low as -16. West wind around 6 mph.
Tuesday
Increasing clouds, with a high near 14. Wind chill values as low as -16. Southwest wind 5 to 9 mph.
Tuesday Night
Snow likely, mainly before 2am. Cloudy, with a steady temperature around 12. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday
A 50 percent chance of snow after noon. Partly sunny, with a high near 24. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 3. West wind 7 to 11 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 14. West wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around -17. Northwest wind around 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny and cold, with a high near -5. Northwest wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around -18. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny and cold, with a high near 1. Calm wind becoming northwest around 5 mph.
Saturday Night
Partly cloudy, with a low around -12. Light and variable wind.
Sunday
Mostly sunny, with a high near 11. Southwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around -7. West wind around 6 mph.
Monday
Mostly sunny, with a high near 15. West wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
3:16 am CST Jan 20, 2026
3am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database