National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

23°F

-5°C

Humidity 83%
Wind Speed Calm
Barometer 30.28 in (1026.7 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 23 Mar 12:55 am CDT
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Mostly clear, with a low around 25. Light northwest wind.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. North wind around 5 mph becoming calm in the morning.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 34. Calm wind becoming southwest 5 to 7 mph in the evening.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Southwest wind 6 to 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Southwest wind around 7 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Southeast wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62. Southeast wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 62 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. North wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Light northwest wind.
Monday
Sunny, with a high near 48. North wind around 5 mph becoming calm in the morning.
Monday Night
Increasing clouds, with a low around 34. Calm wind becoming southwest 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 56. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South wind around 6 mph.
Wednesday
Partly sunny, with a high near 64. Southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 43. Southeast wind around 6 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62. Southeast wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 26. North wind 9 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 43. Northwest wind around 8 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 52. West wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind around 8 mph.
Sunday
Sunny, with a high near 59. Southwest wind 7 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
11:06 pm CDT Mar 22, 2026
Forecast Valid:
1am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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