Harman US

Willow River, MN Weather & Growing Conditions

Today
62°F
Patchy Fog then Cloudy
Patchy fog and a slight chance of rain showers before 11am. Cloudy, with a high near 62. Northeast wind 0 to 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 62°F Patchy Fog then Cloudy 0 to 5 mph NE 16%
Tonight 47°F Mostly Cloudy 0 to 5 mph NE 2%
Sunday 63°F Mostly Cloudy 5 to 10 mph NE 1%
Sunday Night 40°F Mostly Cloudy 5 to 10 mph NE 0%
Monday 63°F Mostly Sunny 5 mph E 0%
Monday Night 39°F Mostly Clear 0 to 5 mph NE 1%
Tuesday 65°F Sunny 0 to 5 mph E 1%
Tuesday Night 37°F Mostly Clear 0 to 5 mph NE 1%
Wednesday 66°F Sunny 0 to 5 mph SE 0%
Wednesday Night 40°F Mostly Clear 0 mph 3%
Thursday 68°F Mostly Sunny 0 to 5 mph SE 6%
Thursday Night 43°F Partly Cloudy 0 mph 5%
Friday 71°F Mostly Sunny 0 to 5 mph E 3%
Friday Night 46°F Partly Cloudy 0 mph 8%

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 Sep 19, 2026.