Willow River, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willow River, a city in Pine County, Minnesota.
Tonight
49°F
Rain
Rain. Cloudy. Low around 49, with temperatures rising to around 51 overnight. Northeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Willow River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Rain | 10 mph NE | 81% |
| Wednesday | 53°F | Rain | 10 mph N | 83% |
| Wednesday Night | 40°F | Light Rain | 10 mph N | 85% |
| Thursday | 45°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 15 mph N | 22% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 44°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 25°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 49°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Saturday Night | 32°F | Partly Cloudy | 0 mph | 11% |
| Sunday | 54°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Sunday Night | 32°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 55°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Tuesday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Willow River (46.324, -92.830). Updated through the day.
Growing snapshot for Willow River
Last spring frost
May 12
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
4a
More local growing data for Willow River: nearby ZIP 55795 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Askov
Bruno
Denham
Finlayson
Grasston
Henriette
Hinckley
Kerrick
Pine City
Quamba
Rock Creek
Rutledge
Sandstone
Climate data from the nearest NOAA station, Moose Lake 1 Sse, Mn (11.3 mi from Willow River). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.