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

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fog/Mist

65°F

18°C

Humidity 95%
Wind Speed Calm
Barometer 29.76 in (1007.7 mb)
Dewpoint 63°F (17°C)
Visibility 2.75 mi
Last update 19 May 6:55 am CDT
Extended Forecast for

2 Miles S Sparta WI

  • Today

    Today: Rain, mainly before 9am. Steady temperature around 59. Southwest wind 8 to 15 mph becoming northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of sprinkles before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Chance
    Sprinkles

  • Wednesday

    Wednesday: Sunny, with a high near 64. Light north wind.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. East wind 3 to 7 mph.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43. East wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 64. East wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before 9am. Steady temperature around 59. Southwest wind 8 to 15 mph becoming northwest in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of sprinkles before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 64. Light north wind.
Wednesday Night
Mostly cloudy, with a low around 41. Light and variable wind.
Thursday
Partly sunny, with a high near 62. East wind 3 to 7 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 43. East wind 3 to 6 mph.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64. East wind 6 to 9 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 45. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 72. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 50. Calm wind.
Sunday
Mostly sunny, with a high near 80. Light southwest wind.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. Calm wind.
Memorial Day
Mostly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Sparta WI
 43.93°N 90.81°W
Last Update:
6:26 am CDT May 19, 2026
Forecast Valid:
7am CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation