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.

Overcast

46°F

8°C

Humidity 54%
Wind Speed Calm
Barometer 30.13 in (1021.3 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 3 Mar 11:55 am CST
Extended Forecast for

Warrens WI

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind.

    High: 48 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 53. Calm wind becoming southeast around 5 mph.

    High: 53 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 6 mph in the morning.

    High: 49 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 35. Southeast wind 3 to 6 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers. High near 58. Southeast wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.

    High: 58 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind.
Tonight
Mostly clear, with a low around 25. Calm wind.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 53. Calm wind becoming southeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 31. Calm wind.
Thursday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 49. Calm wind becoming east around 6 mph in the morning.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 35. Southeast wind 3 to 6 mph.
Friday
Showers. High near 58. Southeast wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 34. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 59. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 33. West wind 6 to 8 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 61. Southwest wind 6 to 11 mph, with gusts as high as 22 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:
12:26 pm CST Mar 3, 2026
Forecast Valid:
12pm CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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