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

36°F

2°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in (1016.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 8 Oct 3:55 am CDT
Extended Forecast for

Warrens WI

  • Today

    Today: Mostly sunny, with a high near 66. West wind 3 to 8 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 72. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. Southeast wind around 7 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. South wind 7 to 13 mph, with gusts as high as 29 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. South wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. West wind 5 to 8 mph, with gusts as high as 18 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 66. West wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 43. Calm wind.
Friday
A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 72. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. Southeast wind around 7 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south wind 9 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 61. South wind 7 to 13 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 79. South wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 58. South wind 3 to 5 mph.
Columbus Day
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 72. West wind 5 to 8 mph, with gusts as high as 18 mph.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 46. Northwest wind around 7 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 60. Northwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 38. Calm wind.
Wednesday
Mostly sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.12°N 90.51°W
Last Update:
1:26 am CDT Oct 8, 2026
Forecast Valid:
4am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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