National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

29°F

-2°C

Humidity 55%
Wind Speed S 5 mph
Barometer 30.36 in (1029.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 2 Mar 8:55 am CST
Extended Forecast for

2 Miles N Ontario WI

  • Today

    Today: Increasing clouds, with a high near 42. South wind 5 to 8 mph.

    High: 42 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of drizzle or freezing rain between midnight and 1am, then a slight chance of freezing rain after 1am. Cloudy, with a low around 28. Light south wind. Chance of precipitation is 20%.

    Low: 28 °F

    Cloudy then
    Slight Chance
    Drizzle/Freezing
    Rain

  • Tuesday

    Tuesday: A slight chance of freezing rain before 8am, then a chance of rain between 8am and noon. Mostly cloudy, with a high near 46. Light southeast wind. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Freezing
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of freezing rain after midnight. Partly cloudy, with a low around 27. Calm wind. Chance of precipitation is 10%.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 50. Calm wind becoming east around 5 mph.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Calm wind becoming east around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 57. East wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%.

    High: 57 °F

    Rain

Detailed Forecast

Today
Increasing clouds, with a high near 42. South wind 5 to 8 mph.
Tonight
A slight chance of drizzle or freezing rain between midnight and 1am, then a slight chance of freezing rain after 1am. Cloudy, with a low around 28. Light south wind. Chance of precipitation is 20%.
Tuesday
A slight chance of freezing rain before 8am, then a chance of rain between 8am and noon. Mostly cloudy, with a high near 46. Light southeast wind. Chance of precipitation is 30%.
Tuesday Night
A slight chance of freezing rain after midnight. Partly cloudy, with a low around 27. Calm wind. Chance of precipitation is 10%.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 50. Calm wind becoming east around 5 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 5 mph.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Calm wind becoming east around 5 mph after midnight.
Friday
Rain. High near 57. East wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%.
Friday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 35. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 55. West wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 33. Southwest wind around 6 mph.
Sunday
Sunny, with a high near 60. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Ontario WI
 43.75°N 90.58°W
Last Update:
6:56 am CST Mar 2, 2026
Forecast Valid:
9am CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation