Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

52°F

11°C

Humidity 37%
Wind Speed N 6 mph
Barometer 29.93 in (1014.6 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill50°F (10°C)
Last update 30 Apr 4:55 pm CDT
Extended Forecast for

Warrens WI

Freeze Warning May 1, 12:00am until May 1, 08:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Widespread frost, mainly after 1am.  Otherwise, partly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 26 °F

    Mostly Cloudy
    then Frost

  • Friday

    Friday: A slight chance of showers before 2pm, then a chance of sprinkles between 2pm and 3pm, then a slight chance of showers after 3pm.  Widespread frost before 9am.  Otherwise, partly sunny, with a high near 51. Calm wind becoming northwest 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    High: 51 °F

    Frost then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Widespread frost after 1am.  Otherwise, partly cloudy, with a low around 28. North wind around 5 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost before 8am.  Otherwise, mostly sunny, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 40. Calm wind becoming south around 6 mph after midnight.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly sunny, with a high near 67. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. West wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 70. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 70 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 39. Northwest wind 5 to 11 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 26. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
A slight chance of showers before 2pm, then a chance of sprinkles between 2pm and 3pm, then a slight chance of showers after 3pm. Widespread frost before 9am. Otherwise, partly sunny, with a high near 51. Calm wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
Widespread frost after 1am. Otherwise, partly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 40. Calm wind becoming south around 6 mph after midnight.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 67. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 40. West wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 39. Northwest wind 5 to 11 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 59. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 56. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 58. Light northwest wind increasing to 8 to 13 mph in the morning. Winds could gust 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
5:31 pm CDT Apr 30, 2026
5pm CDT Apr 30, 2026-6pm CDT May 7, 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