Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
3 Miles NNE Ontario WI
Flood Warning until July 2, 07:00pm
NOW until 7:00pm Thu
Flood Warning
Today
High: 89 °F
Severe
ThunderstormsTonight
Low: 67 °F
Severe
Thunderstorms
then Showers
LikelyFriday

High: 88 °F
Showers
LikelyFriday Night
Low: 65 °F
Chance
T-storms then
ShowersIndependence Day

High: 84 °F
Showers
Saturday Night
Low: 62 °F
Chance
T-storms then
Chance
ShowersSunday

High: 84 °F
Mostly Sunny
Sunday Night

Low: 61 °F
Mostly Clear
Detailed Forecast
Today
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. High near 89. Southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 67. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Independence Day
Showers and possibly a thunderstorm. High near 84. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. Light north wind.
Monday
Sunny, with a high near 86. Calm wind.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 88. Calm wind.
Tuesday Night
Partly cloudy, with a low around 64. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light west wind.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Ontario WI
43.77°N 90.55°W
43.77°N 90.55°W
8:11 am CDT Jul 2, 2026
8am CDT Jul 2, 2026-6pm CDT Jul 8, 2026



