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.

Fair

87°F

31°C

Humidity 45%
Wind Speed SW 16 G 26 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Oct 1:55 pm CDT
Extended Forecast for

Warrens WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South wind around 15 mph, with gusts as high as 26 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Sunny, with a high near 82. Breezy, with a south wind 10 to 17 mph, with gusts as high as 31 mph.

    High: 82 °F

    Breezy. Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 51. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers. Mostly cloudy, with a high near 66. Northwest wind around 6 mph.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 15 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers after 1pm. Sunny, with a high near 82. Breezy, with a south wind 10 to 17 mph, with gusts as high as 31 mph.
Sunday Night
Showers and possibly a thunderstorm. Low around 51. South wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 66. Northwest wind around 6 mph.
Monday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the morning.
Tuesday Night
Mostly clear, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 40. Southeast wind 3 to 5 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 66. South wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49. South wind around 6 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 68. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
1:43 pm CDT Oct 4, 2025
Forecast Valid:
2pm CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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