Coon Valley, WI Weather & Growing Conditions
This Afternoon
78°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. Northwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Isolated Showers And Thunderstorms | 6 mph NW | 19% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 5 mph NW | 57% |
| Wednesday | 78°F | Partly Sunny | 3 mph NW | 14% |
| Wednesday Night | 55°F | Mostly Clear | 2 mph NW | 0% |
| Thursday | 82°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 mph S | 0% |
| Friday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 12 mph S | 21% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph S | 21% |
| Saturday | 86°F | Mostly Sunny | 5 to 8 mph SW | 13% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 7 mph SW | 37% |
| Sunday | 86°F | Chance Rain Showers | 6 to 9 mph SW | 37% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 2 to 7 mph SE | 43% |
| Monday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph S | 43% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 6 mph NE | 30% |
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 Aug 4, 2026.