Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

27°F

-3°C

Humidity 90%
Wind Speed Calm
Barometer 30.02 in (1017.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 1 May 3:55 am CDT
Extended Forecast for

5 Miles SSW Sparta WI

Freeze Warning May 2, 12:00am until May 2, 08:00am
Freeze Warning May 1, 04:20am until May 1, 08:00am
Click here for hazard details and duration
Freeze Warning
...
  •  
    Freeze Warning May 1, 04:20am until May 1, 08:00am

    NOW until 8:00am Fri

    Freeze Warning

  • Today

    High: 56 °F

    Frost then
    Slight Chance
    Showers

  • Tonight

    Tonight: Widespread frost after 3am.  Otherwise, mostly cloudy, then gradually becoming clear, with a low around 28. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost before 8am.  Otherwise, sunny, with a high near 62. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 62 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 43. South wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 69. Southwest wind 9 to 11 mph becoming west in the afternoon.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West wind 5 to 9 mph becoming southwest after midnight.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 75. Breezy, with a southwest wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers after 1pm. Widespread frost before 8am. Otherwise, partly sunny, with a high near 56. Calm wind becoming north 5 to 9 mph in the morning.
Tonight
Widespread frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 28. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 62. Light southwest wind becoming west 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 43. South wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 69. Southwest wind 9 to 11 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 44. West wind 5 to 9 mph becoming southwest after midnight.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Breezy, with a southwest wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 58. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 57. Calm wind becoming northwest 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 59. Calm wind becoming northwest 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
3:27 am CDT May 1, 2026
4am CDT May 1, 2026-6pm CDT May 7, 2026
 
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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