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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

51°F

11°C

Humidity 28%
Wind Speed Calm
Barometer 30.03 in (1018.0 mb)
Dewpoint 19°F (-7°C)
Visibility 9.00 mi
Last update 1 May 5:55 pm CDT
Extended Forecast for

4 Miles NW Melvina WI

Freeze Warning May 2, 12:00am until May 2, 08:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. North wind 5 to 8 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost before 7am. Otherwise, sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the morning.

    High: 61 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 45. South wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. West wind 7 to 15 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 39. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 58. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Northwest wind 3 to 8 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread frost after 3am. Otherwise, partly cloudy, with a low around 29. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Widespread frost before 7am. Otherwise, sunny, with a high near 61. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 45. South wind 3 to 8 mph. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 69. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 44. Northwest wind 5 to 7 mph becoming light and variable.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. West wind 7 to 15 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 39. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 58. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Northwest wind 3 to 8 mph.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57. Northwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 35. West wind 3 to 6 mph.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 59. Light northwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 37. Northwest wind around 6 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 66. West wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
2:47 pm CDT May 1, 2026
Forecast Valid:
6pm CDT May 1, 2026-6pm CDT May 8, 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