Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Blowing Snow

1°F

-17°C

Humidity 71%
Wind Speed W 18 G 25 mph
Barometer 30.27 in (1027.8 mb)
Dewpoint -7°F (-22°C)
Visibility 1.50 mi
Wind Chill-20°F (-29°C)
Last update 22 Jan 7:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

Cold Weather Advisory January 23, 12:00pm until January 23, 09:00pm
Extreme Cold Warning January 23, 12:00am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  • Tonight

    Tonight: Partly cloudy, with a low around -20. Wind chill values as low as -41. Blustery, with a northwest wind 11 to 18 mph, with gusts as high as 32 mph.

    Low: -20 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -6. Wind chill values as low as -42. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: -6 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -16. Wind chill values as low as -26. Northwest wind around 5 mph becoming calm  in the evening.

    Low: -16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 2. Wind chill values as low as -15. Calm wind.

    High: 2 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -9. Calm wind.

    Low: -9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 7. Calm wind becoming north around 5 mph.

    High: 7 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -12. Light northwest wind.

    Low: -12 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 12. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 12 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3. Southwest wind around 6 mph becoming west after midnight.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -20. Wind chill values as low as -41. Blustery, with a northwest wind 11 to 18 mph, with gusts as high as 32 mph.
Friday
Mostly sunny and cold, with a high near -6. Wind chill values as low as -42. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around -16. Wind chill values as low as -26. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny and cold, with a high near 2. Wind chill values as low as -15. Calm wind.
Saturday Night
Mostly cloudy, with a low around -9. Calm wind.
Sunday
Partly sunny, with a high near 7. Calm wind becoming north around 5 mph.
Sunday Night
Partly cloudy, with a low around -12. Light northwest wind.
Monday
Mostly sunny, with a high near 12. Calm wind becoming southwest 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 3. Southwest wind around 6 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 16. West wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around -2. Light west wind.
Wednesday
Partly sunny, with a high near 12. Northwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around -7. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 9. Northwest wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
5:11 pm CST Jan 22, 2026
8pm CST Jan 22, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database