National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 29.76 in (1008.9 mb)
Dewpoint 31°F (-1°C)
Visibility 9.00 mi
Last update 7 Jan 12:55 am CST
Extended Forecast for

3 Miles SW Cataract WI

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a steady temperature around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog between 7am and 10am. Areas of freezing fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 40. Calm wind becoming south around 6 mph.

    High: 40 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 30. Light south wind.

    Low: 30 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A 50 percent chance of rain after noon. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 42. Light and variable wind. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Patchy Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 28. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 28 °F

    Rain Likely

  • Friday

    Friday: A slight chance of rain and snow before noon. Partly sunny, with a high near 37. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 23. Northeast wind 3 to 7 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before noon. Mostly cloudy, with a high near 30. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Northwest wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a steady temperature around 30. Calm wind.
Wednesday
Areas of fog between 7am and 10am. Areas of freezing fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 40. Calm wind becoming south around 6 mph.
Wednesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 30. Light south wind.
Thursday
A 50 percent chance of rain after noon. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 42. Light and variable wind. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 28. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of rain and snow before noon. Partly sunny, with a high near 37. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 23. Northeast wind 3 to 7 mph.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 30. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 15. Northwest wind 8 to 10 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 29. Northwest wind around 7 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 18. Southwest wind around 6 mph.
Monday
Partly sunny, with a high near 38. West wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 24. West wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 36. West wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cataract WI
 44.06°N 90.87°W
Last Update:
12:32 am CST Jan 7, 2026
Forecast Valid:
1am CST Jan 7, 2026-6pm CST Jan 13, 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