Willow River, MN Weather & Growing Conditions
This Afternoon
58°F
Light Rain
Rain and patchy fog. Cloudy. High near 58, with temperatures falling to around 55 in the afternoon. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Light Rain | 10 mph N | 83% |
| Tonight | 49°F | Rain | 10 mph NE | 86% |
| Wednesday | 53°F | Rain | 10 mph N | 84% |
| Wednesday Night | 39°F | Light Rain | 10 mph N | 86% |
| Thursday | 45°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 10 mph N | 19% |
| Thursday Night | 27°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 43°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 24°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 49°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Saturday Night | 31°F | Partly Cloudy | 0 mph | 11% |
| Sunday | 54°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Sunday Night | 31°F | Partly Cloudy | 0 mph | 1% |
| Monday | 54°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 33°F | Mostly Clear | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Willow River, MN
Last spring frost
May 12
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
4a
Explore more for Willow River, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Moose Lake 1 Sse, Mn (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.