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.

Overcast

38°F

3°C

Humidity 55%
Wind Speed Calm
Barometer 30.14 in (1021.7 mb)
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Last update 3 Mar 1:55 am CST
Extended Forecast for

Warrens WI

  • Overnight

    Overnight: A 20 percent chance of snow after 4am. Cloudy, with a low around 33. Light southeast wind.

    Low: 33 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow before 7am. Partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 53. Calm wind becoming south around 5 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 50. Calm wind becoming east 5 to 7 mph.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain. High near 58. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 36. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of snow after 4am. Cloudy, with a low around 33. Light southeast wind.
Tuesday
A 20 percent chance of snow before 7am. Partly sunny, with a high near 50. Calm wind.
Tuesday Night
Partly cloudy, with a low around 26. Calm wind.
Wednesday
Sunny, with a high near 53. Calm wind becoming south around 5 mph.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 30. Calm wind.
Thursday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 50. Calm wind becoming east 5 to 7 mph.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Southeast wind 3 to 6 mph.
Friday
Rain. High near 58. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 36. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 30. Southwest wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 58. Southwest wind 9 to 14 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 21 mph.
Monday
Sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 21 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 am CST Mar 3, 2026
Forecast Valid:
2am CST Mar 3, 2026-6pm CDT Mar 9, 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