Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

8°F

-13°C

Humidity 53%
Wind Speed Calm
Barometer 30.34 in (1030.7 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 29 Jan 11:55 am CST
Extended Forecast for

Black River Falls WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 11. Wind chill values as low as -4. Northwest wind around 5 mph becoming calm.

    High: 11 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of flurries between 9pm and 1am.  Mostly cloudy, with a low around -5. Calm wind.

    Low: -5 °F

    Chance
    Flurries

  • Friday

    Friday: Mostly sunny, with a high near 14. Wind chill values as low as -10. Calm wind becoming north 5 to 8 mph in the morning.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -4. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 21. Calm wind.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. Light south wind.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow.  Partly sunny, with a high near 25. South wind 3 to 7 mph.

    High: 25 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 28. Calm wind becoming northwest around 6 mph.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 11. Wind chill values as low as -4. Northwest wind around 5 mph becoming calm.
Tonight
A chance of flurries between 9pm and 1am. Mostly cloudy, with a low around -5. Calm wind.
Friday
Mostly sunny, with a high near 14. Wind chill values as low as -10. Calm wind becoming north 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around -4. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 21. Calm wind.
Saturday Night
Partly cloudy, with a low around 1. Light south wind.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 25. South wind 3 to 7 mph.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Calm wind.
Monday
Partly sunny, with a high near 28. Calm wind becoming northwest around 6 mph.
Monday Night
Partly cloudy, with a low around 7. Calm wind.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 26. Light northeast wind.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 9. Calm wind.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 27. Calm wind becoming west around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Black River Falls WI
 44.3°N 90.86°W
11:21 am CST Jan 29, 2026
12pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database