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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
4 Miles WNW Ontario WI
Cold Weather Advisory January 23, 12:00pm until January 24, 12:00am
Extreme Cold Warning January 23, 03:46am until January 23, 12:00pm
NOW until 12:00pm Fri
Extreme Cold Warning
Overnight
Low: -19 °F
Partly Cloudy
Friday
High: -7 °F
Cold
Friday Night
Low: -17 °F
Partly Cloudy
Saturday
High: 1 °F
Cold
Saturday Night
Low: -10 °F
Mostly Cloudy
Sunday
High: 7 °F
Partly Sunny
Sunday Night
Low: -13 °F
Partly Cloudy
Monday
High: 11 °F
Mostly Sunny
Detailed Forecast
Overnight
Partly cloudy, with a low around -19. Wind chill values as low as -41. Northwest wind around 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near -7. Wind chill values as low as -42. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around -17. Wind chill values as low as -25. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Partly 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 -10. Calm wind.
Sunday
Partly sunny, with a high near 7. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -13. Northwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 11. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 1. Southwest wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 14. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around -4. Northwest wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 11. Northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around -6. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 11. Northwest wind 6 to 8 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Ontario WI
43.73°N 90.67°W
43.73°N 90.67°W
3:11 am CST Jan 23, 2026
3am CST Jan 23, 2026-6pm CST Jan 29, 2026
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