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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

-16°F

-27°C

Humidity 49%
Wind Speed NW 9 mph
Barometer 30.56 in (1038.2 mb)
Dewpoint -30°F (-34°C)
Visibility 9.00 mi
Wind Chill-35°F (-37°C)
Last update 23 Jan 2:55 am CST
Extended Forecast for

Sparta WI

Cold Weather Advisory January 23, 12:00pm until January 24, 12:00am
Extreme Cold Warning January 23, 03:33am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 03:33am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Overnight

    Low: -19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -7. Wind chill values as low as -41. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -17. Northwest wind around 6 mph becoming calm in the evening.

    Low: -17 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 1. Wind chill values as low as -16. Calm wind.

    High: 1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -12. Calm wind.

    Low: -12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 7. Light north wind.

    High: 7 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -14. Calm wind.

    Low: -14 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 11. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 11 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around -19. Wind chill values as low as -39. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny and cold, with a high near -7. Wind chill values as low as -41. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around -17. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny and cold, with a high near 1. Wind chill values as low as -16. Calm wind.
Saturday Night
Mostly cloudy, with a low around -12. Calm wind.
Sunday
Mostly sunny, with a high near 7. Light north wind.
Sunday Night
Partly cloudy, with a low around -14. Calm wind.
Monday
Mostly sunny, with a high near 11. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 1. Southwest wind around 6 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 15. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around -4. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 11. Calm wind becoming northwest around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around -6. Light northwest wind.
Thursday
Mostly sunny, with a high near 12. Northwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
Last Update:
3:11 am CST Jan 23, 2026
Forecast Valid:
3am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation