Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
A Few Clouds
67°F
19°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 29.83 in (1009.9 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 8.00 mi |
| Last update | 12 Aug 3:55 am CDT |
Extended Forecast for
2 Miles ESE Ontario WI
Today
High: 86 °F
Areas Fog
then Patchy
SmokeTonight

Low: 65 °F
Patchy Smoke
Thursday

High: 81 °F
Chance
ShowersThursday Night

Low: 62 °F
Slight Chance
ShowersFriday

High: 81 °F
Mostly Sunny
Friday Night
Low: 61 °F
Slight Chance
T-storms then
Showers
LikelySaturday

High: 80 °F
Showers
LikelySaturday Night

Low: 64 °F
Showers
LikelySunday

High: 79 °F
Mostly Cloudy
Detailed Forecast
Today
Patchy smoke after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind.
Tonight
Patchy smoke before 4am. Increasing clouds, with a low around 65. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly before 4pm, then a slight chance of thunderstorms after 5pm. Mostly cloudy, with a high near 81. Light southeast wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 81. East wind 5 to 9 mph.
Friday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. East wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 58. Light northwest wind.
Monday
Sunny, with a high near 77. Calm wind.
Monday Night
Partly cloudy, with a low around 57. Calm wind.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 78. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Ontario WI
43.71°N 90.56°W
43.71°N 90.56°W
3:01 am CDT Aug 12, 2026
4am CDT Aug 12, 2026-6pm CDT Aug 18, 2026



