Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Partly Cloudy
3°F
-16°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1017.6 mb) |
| Dewpoint | -1°F (-18°C) |
| Visibility | 10.00 mi |
| Last update | 15 Jan 7:55 am CST |
Extended Forecast for
Sparta WI
Today
High: 26 °F
Chance Snow
then SnowTonight
Low: 22 °F⇑
Wintry Mix
Likely then
Snow LikelyFriday

High: 33 °F⇓
Snow Likely
Friday Night
Low: 9 °F
Mostly Cloudy
then Chance
SnowSaturday

High: 17 °F
Chance Snow
Saturday Night

Low: -1 °F
Mostly Cloudy
Sunday

High: 14 °F
Chance Snow
Sunday Night

Low: -2 °F
Mostly Cloudy
M.L.King Day

High: 6 °F
Partly Sunny
Detailed Forecast
Today
Snow, mainly after 11am. High near 26. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 7pm, then a chance of snow and freezing rain between 7pm and 8pm, then snow likely after 8pm. Cloudy, with a temperature rising to around 30 by 4am. Southwest wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of around an inch possible.
Friday
Snow likely. Mostly cloudy, with a temperature rising to near 33 by 10am, then falling to around 23 during the remainder of the day. West wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 9. Wind chill values as low as -1. Northwest wind 7 to 13 mph, with gusts as high as 26 mph.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 17. Northwest wind 7 to 11 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around -1. Northwest wind 3 to 8 mph. Winds could gust as high as 22 mph.
Sunday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 14. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around -2. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
M.L.King Day
Partly sunny, with a high near 6. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around -5. West wind 3 to 6 mph. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 14. West wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 4. Light south wind.
Wednesday
Partly sunny, with a high near 21. West wind 3 to 7 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
4:26 am CST Jan 15, 2026
8am CST Jan 15, 2026-6pm CST Jan 21, 2026



