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Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Partly Cloudy
10°F
-12°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 29.95 in (1016.5 mb) |
| Dewpoint | 8°F (-13°C) |
| Visibility | 9.00 mi |
| Last update | 21 Jan 3:55 am CST |
Extended Forecast for
Sparta WI
Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Today
High: 23 °F
Cloudy then
Snow ShowersTonight
Low: 4 °F
Snow Showers
Likely and
Breezy then
Mostly CloudyThursday

High: 14 °F
Partly Sunny
Thursday Night

Low: -19 °F
Partly Cloudy
Friday

High: -7 °F
Cold
Friday Night

Low: -21 °F
Partly Cloudy
Saturday

High: 0 °F
Cold
Saturday Night

Low: -14 °F
Partly Cloudy
Sunday

High: 8 °F
Partly Sunny
Detailed Forecast
Today
Snow showers, mainly after 2pm. High near 23. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 4. Wind chill values as low as -8. Breezy, with a west wind 8 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 14. Wind chill values as low as -10. West wind 5 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around -19. Wind chill values as low as -33. Northwest wind 7 to 10 mph, with gusts as high as 23 mph.
Friday
Mostly sunny and cold, with a high near -7. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around -21. Calm wind.
Saturday
Mostly sunny and cold, with a high near 0. Calm wind.
Saturday Night
Partly cloudy, with a low around -14. Calm wind.
Sunday
Partly sunny, with a high near 8. Light west wind.
Sunday Night
Partly cloudy, with a low around -10. Calm wind.
Monday
Mostly sunny, with a high near 14. Calm wind becoming southwest around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 1. Light southwest wind.
Tuesday
Mostly sunny, with a high near 21. Calm wind becoming west around 6 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sparta WI
43.93°N 90.81°W
43.93°N 90.81°W
3:06 am CST Jan 21, 2026
4am CST Jan 21, 2026-6pm CST Jan 27, 2026



