News Headlines
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
A Few Clouds
86°F
30°C
| Humidity | 60% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1013.0 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 26 Jul 1:55 pm CDT |
Extended Forecast for
3 Miles ESE Ontario WI
This Afternoon
High: 85 °F
Mostly Sunny
Tonight
Low: 69 °F
Mostly Clear
Sunday
High: 89 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Mostly Clear
then Chance
T-stormsMonday
High: 93 °F
Mostly Sunny
Monday Night
Low: 70 °F
Mostly Clear
then Slight
Chance
T-stormsTuesday
High: 87 °F
Slight Chance
T-stormsTuesday Night
Low: 65 °F
Chance
T-stormsWednesday
High: 78 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 85. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 69. Calm wind.
Sunday
Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 71. Calm wind becoming south around 5 mph after midnight.
Monday
Mostly sunny, with a high near 93. Southwest wind around 7 mph becoming northwest in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Light and variable wind.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming north around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light northeast wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. Northeast wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 57. Northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 78. Northeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 56. Light north wind.
Friday
Mostly sunny, with a high near 78. Light east wind.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Ontario WI
43.71°N 90.53°W
43.71°N 90.53°W
1:59 pm CDT Jul 26, 2025
2pm CDT Jul 26, 2025-6pm CDT Aug 1, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
