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

69°F

21°C

Humidity 82%
Wind Speed Calm
Barometer 30.23 in (1024.0 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 2 Aug 7:55 pm CDT
Extended Forecast for

Wilton WI

  • Tonight

    Tonight: Areas of smoke before 11pm, then areas of smoke after 1am. Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Areas Smoke
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of smoke before 8am, then areas of smoke after 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Areas
    Smoke

  • Sunday Night

    Sunday Night: Areas of smoke before 3am. Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Areas Smoke

  • Monday

    Monday: Areas of smoke between 7am and 8am. Mostly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 81 °F

    Areas Smoke
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Light southeast wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind 3 to 6 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Areas of smoke before 11pm, then areas of smoke after 1am. Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 54. Calm wind.
Sunday
Areas of smoke before 8am, then areas of smoke after 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Areas of smoke before 3am. Mostly clear, with a low around 58. Calm wind.
Monday
Areas of smoke between 7am and 8am. Mostly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. Light southeast wind.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind 3 to 6 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 3 to 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 88. South wind 5 to 9 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 7 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilton WI
 43.81°N 90.52°W
Last Update:
5:59 pm CDT Aug 2, 2025
Forecast Valid:
8pm CDT Aug 2, 2025-6pm CDT Aug 9, 2025
 
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Additional Resources

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Chance of Precipitation