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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

A Few Clouds

35°F

2°C

Humidity 42%
Wind Speed SW 9 mph
Barometer 30.51 in (1034.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 28 Mar 10:55 am CDT
Extended Forecast for

2 Miles ESE Ontario WI

  • Today

    Today: Mostly sunny, with a high near 52. Breezy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 35. South wind 6 to 9 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Light south wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 50. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. West wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 27. North wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. North wind 6 to 8 mph becoming east in the afternoon.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. Breezy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 35. South wind 6 to 9 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 64. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 42. Light south wind.
Monday
Mostly sunny, with a high near 76. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 50. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. West wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 27. North wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 47. North wind 6 to 8 mph becoming east in the afternoon.
Wednesday Night
A 20 percent chance of snow showers after 1am. Partly cloudy, with a low around 25. East wind around 7 mph.
Thursday
A 30 percent chance of snow showers. Partly sunny, with a high near 45. East wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. East wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 53. Southeast wind 6 to 9 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Ontario WI
 43.71°N 90.56°W
Last Update:
10:31 am CDT Mar 28, 2026
Forecast Valid:
11am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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