Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair with Haze

49°F

9°C

Humidity 66%
Wind Speed E 6 mph
Barometer 29.66 in (1004.6 mb)
Dewpoint 38°F (3°C)
Visibility 5.00 mi
Wind Chill46°F (8°C)
Last update 31 Mar 1:55 am CDT
Extended Forecast for

Sparta WI

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 48. Light east wind.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am.  Partly sunny, with a high near 59. Light northeast wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. North wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers, snow showers, and sleet after 4pm.  Partly sunny, with a high near 44. East wind 5 to 14 mph.  Chance of precipitation is 30%.

    High: 44 °F

    Partly Sunny
    then Chance
    Wintry Mix

  • Wednesday Night

    Wednesday Night: Rain showers, snow showers, freezing rain, and sleet likely before 1am, then rain showers and freezing rain, possibly mixed with sleet between 1am and 4am, then rain or freezing rain after 4am.  Low around 30. East wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New ice accumulation of 0.1 to 0.2 of an inch possible.  New snow and sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix

  • Thursday

    Thursday: Rain or freezing rain, becoming all rain after 10am.  High near 52. East wind 9 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.

    High: 52 °F

    Rain/Freezing
    Rain then
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am.  Mostly cloudy, with a low around 31. Southwest wind 5 to 7 mph becoming west after midnight.

    Low: 31 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 1pm.  Partly sunny, with a high near 53. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 53 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 36. East wind 9 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.

    Low: 36 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 48. Light east wind.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Partly sunny, with a high near 59. Light northeast wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 31. North wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers, snow showers, and sleet after 4pm. Partly sunny, with a high near 44. East wind 5 to 14 mph. Chance of precipitation is 30%.
Wednesday Night
Rain showers, snow showers, freezing rain, and sleet likely before 1am, then rain showers and freezing rain, possibly mixed with sleet between 1am and 4am, then rain or freezing rain after 4am. Low around 30. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New ice accumulation of 0.1 to 0.2 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Thursday
Rain or freezing rain, becoming all rain after 10am. High near 52. East wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Southwest wind 5 to 7 mph becoming west after midnight.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 53. Calm wind becoming east 5 to 7 mph in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Low around 36. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 48. East wind 9 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 47. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 26. Northwest wind 3 to 8 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 50. West wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
3:26 am CDT Mar 31, 2026
3am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
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