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Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Light Rain
77°F
25°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 29.95 in (1013.9 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 8.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 23 Jul 3:55 am CDT |
Extended Forecast for
2 Miles ESE Ontario WI
Heat Advisory July 23, 12:00pm until July 23, 08:00pm
Overnight
Low: 75 °F
Heavy Rain
Wednesday
High: 92 °F
Heavy Rain
then SunnyWednesday Night
Low: 72 °F
Mostly Clear
then Chance
T-stormsThursday
High: 85 °F
Showers
Thursday Night
Low: 67 °F
Slight Chance
T-storms then
Slight Chance
ShowersFriday
High: 84 °F
Partly Sunny
Friday Night
Low: 67 °F
Mostly Cloudy
then Chance
ShowersSaturday
High: 85 °F
Slight Chance
T-stormsSaturday Night
Low: 67 °F
Mostly Clear
Detailed Forecast
Overnight
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 75. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly before 9am. Some of the storms could produce heavy rainfall. Cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 101. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 72. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 85. West wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Light northwest wind. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 84. Light and variable wind.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light south wind.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 90. Light south wind.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Light south wind.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming north around 6 mph in the morning.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Ontario WI
43.71°N 90.56°W
43.71°N 90.56°W
4:29 am CDT Jul 23, 2025
4am CDT Jul 23, 2025-6pm CDT Jul 29, 2025
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