Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

32°F

0°C

Humidity 83%
Wind Speed N 6 mph
Barometer 29.62 in (1004.2 mb)
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Wind Chill26°F (-3°C)
Last update 19 Feb 5:55 pm CST
Extended Forecast for

2 Miles N Ontario WI

Winter Weather Advisory February 20, 12:00am until February 20, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Snow, mainly after 9pm. The snow could be heavy at times.  Low around 24. Blustery, with a north wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Heavy Snow
    and Blustery

  • Friday

    Friday: Snow, mainly before 9am.  High near 33. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 33 °F

    Breezy. Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 15. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 26. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. Northwest wind around 6 mph becoming calm  in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Low around 24. Blustery, with a north wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly before 9am. High near 33. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Mostly cloudy, with a low around 20. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 31. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 15. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 26. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 10. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 28. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 12. Light and variable wind.
Tuesday
Partly sunny, with a high near 38. South wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23. South wind around 6 mph becoming west after midnight.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 38. West wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 14. West wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ontario WI
 43.75°N 90.58°W
3:16 pm CST Feb 19, 2026
6pm CST Feb 19, 2026-6pm CST Feb 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