River Falls, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for River Falls, a city in Pierce County, Wisconsin.
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. West northwest wind 5 to 10 mph.
7-day forecast for River Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 5 to 10 mph WNW | 7% |
| Tonight | 55°F | Partly Cloudy | 0 to 10 mph NW | 8% |
| Wednesday | 77°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 82°F | Sunny | 0 to 10 mph SSW | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 to 10 mph SSW | 3% |
| Friday | 84°F | Sunny | 5 to 15 mph SSW | 12% |
| Friday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 35% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph SSW | 17% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 47% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 47% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 19% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 mph ENE | 23% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 24% |
Forecast source: National Weather Service (api.weather.gov) for River Falls (44.860, -92.625). Updated through the day.
Growing snapshot for River Falls
Last spring frost
May 11
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4b
More local growing data for River Falls: nearby ZIP 54022 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, River Falls, Wi (0.5 mi from River Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.