Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

60°F

16°C

Humidity 85%
Wind Speed Calm
Barometer 29.93 in (1013.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Sep 7:55 pm CDT
Extended Forecast for

Sparta / Fort McCoy Airport WI

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradual clearing during the afternoon, with a high near 71. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 71 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Showers after 1pm.  High near 72. Light southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Sunny then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 58. Southeast wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 76. West wind 6 to 8 mph.

    High: 76 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 68. Light east wind.  Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Calm wind.
Sunday
Mostly cloudy, then gradual clearing during the afternoon, with a high near 71. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 41. Calm wind.
Monday
Showers after 1pm. High near 72. Light southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 58. Southeast wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 76. West wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 48. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Light east wind. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 71. Light northeast wind.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50. Calm wind.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 70. Calm wind becoming southeast around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51. Calm wind.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta / Fort McCoy Airport WI
 43.95°N 90.72°W
6:16 pm CDT Sep 12, 2026
8pm CDT Sep 12, 2026-6pm CDT Sep 19, 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