Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

28°F

-2°C

Humidity 77%
Wind Speed Calm
Barometer 30.01 in (1017.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 18 Apr 11:55 pm CDT
Extended Forecast for

Warrens WI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 32. West wind around 6 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Scattered flurries with isolated snow showers before 8am, then scattered flurries between 8am and 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 47 °F

    Isolated Snow
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost before 8am.  Otherwise, mostly sunny, with a high near 54. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. South wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Southeast wind 3 to 8 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 32. West wind around 6 mph.
Sunday
Scattered flurries with isolated snow showers before 8am, then scattered flurries between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 22. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 54. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 39. South wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 72. Light and variable wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. Calm wind.
Wednesday
Sunny, with a high near 72. Southeast wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 53. South wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 9 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 52. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. West wind 9 to 13 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 36. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 58. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
12:06 am CDT Apr 19, 2026
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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