Hazardous Weather Conditions
Current conditions at
Sparta, Sparta / Fort McCoy Airport (KCMY)
Lat: 43.96°NLon: 90.74°WElev: 837ft.
Partly Cloudy
88°F
31°C
| Humidity | 69% |
| Wind Speed | Calm |
| Barometer | 29.87 in (1011.2 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 26 Jul 11:55 am CDT |
Extended Forecast for
Norwalk WI
Extreme Heat Warning until July 26, 09:00pm
NOW until 9:00pm Sun

Extreme Heat Warning
This Afternoon

High: 93 °F
Partly Sunny
Tonight
Low: 72 °F
Slight Chance
T-storms then
Chance
T-stormsMonday
High: 94 °F
Slight Chance
T-storms then
Mostly SunnyMonday Night

Low: 65 °F
Partly Cloudy
Tuesday

High: 88 °F
Mostly Sunny
Tuesday Night

Low: 63 °F
Mostly Clear
Wednesday

High: 88 °F
Sunny
Wednesday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
This Afternoon
Partly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 8 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 72. Southwest wind 5 to 8 mph becoming northeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 65. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Light south wind.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light north wind.
Saturday
Sunny, with a high near 87. Calm wind becoming north around 6 mph in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Norwalk WI
43.84°N 90.64°W
43.84°N 90.64°W
11:41 am CDT Jul 26, 2026
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026



