Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

54°F

12°C

Humidity 53%
Wind Speed Calm
Barometer 30.04 in (1018.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 19 Mar 1:55 pm CDT
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind becoming southwest around 6 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 56. Northwest wind 3 to 6 mph.

    High: 56 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am.  Mostly cloudy, with a low around 39. South wind around 6 mph becoming northeast after midnight.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 50. North wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. North wind 3 to 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Light and variable wind becoming northwest around 5 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. Calm wind.
Tonight
Mostly cloudy, with a low around 37. Calm wind becoming southwest around 6 mph after midnight.
Friday
Mostly cloudy, with a high near 56. Northwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 35. Calm wind.
Saturday
Mostly sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 39. South wind around 6 mph becoming northeast after midnight.
Sunday
Mostly cloudy, with a high near 50. North wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 23. North wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 47. Light and variable wind becoming northwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 32. Calm wind becoming south around 6 mph in the evening.
Tuesday
Mostly cloudy, with a high near 53. West wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Light and variable wind becoming east around 5 mph after midnight.
Wednesday
Mostly cloudy, with a high near 51. East wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
2:44 pm CDT Mar 19, 2026
2pm CDT Mar 19, 2026-6pm CDT Mar 25, 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