Coon Valley, WI Weather & Growing Conditions
Tonight
57°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 57. East wind 12 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms | 12 to 15 mph E | 100% |
| Saturday | 66°F | Showers And Thunderstorms | 7 to 12 mph E | 94% |
| Saturday Night | 55°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 43% |
| Sunday | 68°F | Partly Sunny | 8 to 13 mph NE | 10% |
| Sunday Night | 50°F | Mostly Cloudy | 9 mph NE | 5% |
| Monday | 63°F | Mostly Cloudy then Chance Rain Showers | 7 to 12 mph NE | 32% |
| Monday Night | 45°F | Chance Rain Showers | 5 to 8 mph NE | 32% |
| Tuesday | 62°F | Partly Sunny | 5 to 8 mph NE | 14% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph NE | 5% |
| Wednesday | 66°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph E | 3% |
| Thursday | 69°F | Partly Sunny | 2 mph SE | 6% |
| Thursday Night | 51°F | Partly Cloudy | 1 mph S | 6% |
| Friday | 70°F | Mostly Sunny | 0 to 3 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Coon Valley, WI
Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
5a
Explore more for Coon Valley, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, La Crosse Wfo, Wi (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.