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 95%
Wind Speed Calm
Barometer 30.28 in (1026.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 19 Oct 1:55 am CDT
Extended Forecast for

Cashton WI

  • Overnight

    Overnight: Clear, with a low around 42. Southwest wind around 8 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. South wind 3 to 6 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Light southeast wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. South wind 3 to 8 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. South wind 3 to 6 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Southwest wind 3 to 5 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light south wind.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Southeast wind 3 to 5 mph.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 42. Southwest wind around 8 mph.
Monday
Sunny, with a high near 65. South wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 42. Light southeast wind.
Tuesday
Mostly sunny, with a high near 66. South wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 43. South wind 3 to 6 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 49. Calm wind.
Thursday
Sunny, with a high near 70. Light south wind.
Thursday Night
Partly cloudy, with a low around 50. Southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 67. Southeast wind 6 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 54. South wind 10 to 13 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 69. South wind 11 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 65. West wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cashton WI
 43.76°N 90.76°W
Last Update:
1:26 am CDT Oct 19, 2026
Forecast Valid:
2am CDT Oct 19, 2026-6pm CDT Oct 25, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation