Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast with Haze

12°F

-11°C

Humidity 80%
Wind Speed W 6 mph
Barometer 29.82 in (1011.6 mb)
Dewpoint 7°F (-14°C)
Visibility 2.50 mi
Wind Chill2°F (-17°C)
Last update 17 Jan 6:55 am CST
Extended Forecast for

2 Miles N Ontario WI

  • Today

    Today: Snow likely, mainly before 1pm.  Mostly cloudy, with a high near 21. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 21 °F

    Snow Likely
    then Chance
    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 1. Wind chill values as low as -9. Northwest wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 1 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow.  High near 17. Wind chill values as low as -6. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 17 °F

    Snow Likely
    then Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -5. Wind chill values as low as -23. Blustery, with a northwest wind 14 to 17 mph, with gusts as high as 31 mph.

    Low: -5 °F

    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 4. West wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 4 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. West wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Southwest wind 3 to 6 mph.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 10. Calm wind becoming west around 5 mph after midnight.

    Low: 10 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon.  Partly sunny, with a high near 20. West wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 20 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 21. Northwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a low around 1. Wind chill values as low as -9. Northwest wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Snow. High near 17. Wind chill values as low as -6. Southwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday Night
Mostly cloudy, with a low around -5. Wind chill values as low as -23. Blustery, with a northwest wind 14 to 17 mph, with gusts as high as 31 mph.
M.L.King Day
Partly sunny and cold, with a high near 4. West wind 10 to 14 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around -4. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 17. Southwest wind 3 to 6 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10. Calm wind becoming west around 5 mph after midnight.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 20. West wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 3. West wind 3 to 6 mph. Winds could gust as high as 18 mph.
Thursday
Partly sunny, with a high near 14. West wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around -1. Light west wind.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 15. West wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ontario WI
 43.75°N 90.58°W
6:51 am CST Jan 17, 2026
7am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
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Additional Resources

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