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

62°F

17°C

Humidity 98%
Wind Speed Calm
Barometer 29.88 in (1011.8 mb)
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Last update 10 Aug 1:55 am CDT
Extended Forecast for

5 Miles NE Coon Valley WI

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind.

    High: 85 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 10 percent chance of showers after 5am. Increasing clouds, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 84. Light east wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Light east wind. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Light east wind.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 64. Calm wind.
Monday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind.
Monday Night
A 10 percent chance of showers after 5am. Increasing clouds, with a low around 65. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 84. Light east wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Light east wind. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 59. Light east wind.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. East wind 3 to 7 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59. East wind around 6 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind around 7 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Coon Valley WI
 43.74°N 90.94°W
Last Update:
1:26 am CDT Aug 10, 2026
Forecast Valid:
2am CDT Aug 10, 2026-6pm CDT Aug 16, 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