Willow River, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willow River, a city in Pine County, Minnesota.
Today
74°F
Sunny
Sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Willow River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 5 to 10 mph NW | 0% |
| Tonight | 49°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 79°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Thursday | 84°F | Sunny | 5 to 10 mph SW | 4% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph SW | 9% |
| Friday | 86°F | Sunny | 5 to 10 mph SW | 13% |
| Friday Night | 58°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SW | 14% |
| Saturday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 41% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 29% |
| Sunday Night | 57°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 16% |
| Monday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 20% |
| Monday Night | 56°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 18% |
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 Aug 4, 2026.