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International Falls, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for International Falls, a city in Koochiching County, Minnesota.

Overnight
45°F
Light Rain Likely
Rain likely. Cloudy, with a low around 45. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for International Falls

WhenTempForecastWindPrecip
Overnight 45°F Light Rain Likely 15 mph N 69%
Wednesday 48°F Rain 15 mph N 77%
Wednesday Night 32°F Slight Chance Light Rain then Mostly Cloudy 15 mph N 24%
Thursday 39°F Mostly Cloudy 5 to 15 mph N 1%
Thursday Night 19°F Partly Cloudy 0 to 5 mph E 1%
Friday 41°F Sunny 0 to 5 mph S 0%
Friday Night 20°F Partly Cloudy 5 mph S 0%
Saturday 47°F Mostly Sunny 5 to 10 mph SW 8%
Saturday Night 28°F Partly Cloudy 10 mph W 10%
Sunday 47°F Mostly Sunny 5 to 10 mph W 5%
Sunday Night 28°F Mostly Cloudy 5 mph SW 0%
Monday 52°F Partly Sunny 5 to 15 mph SW 4%
Monday Night 28°F Partly Cloudy 5 to 10 mph W 4%
Tuesday 47°F Mostly Sunny 5 to 10 mph W 4%

Forecast source: National Weather Service (api.weather.gov) for International Falls (48.586, -93.408). Updated through the day.

Growing snapshot for International Falls

Last spring frost
May 29
First fall frost
Sep 13
Growing season
109 days
Hardiness zone
3a

More local growing data for International Falls: nearby ZIP 56668 weather · frost dates · planting calendar · Minnesota frost dates

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Climate data from the nearest NOAA station, Intl Falls Intl Ap, Mn (4.4 mi from International Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.