International Falls, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for International Falls, a city in Koochiching County, Minnesota.
Today
69°F
Mostly Sunny
Mostly sunny, with a high near 69. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for International Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny | 10 to 15 mph W | 0% |
| Tonight | 47°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Wednesday | 75°F | Sunny | 5 to 10 mph SW | 1% |
| Wednesday Night | 57°F | Partly Cloudy | 5 to 10 mph SW | 3% |
| Thursday | 79°F | Mostly Sunny | 10 to 15 mph SW | 4% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph SW | 9% |
| Friday | 77°F | Sunny | 5 to 10 mph W | 10% |
| Friday Night | 52°F | Mostly Clear then Slight Chance Rain Showers | 0 to 10 mph W | 15% |
| Saturday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph W | 15% |
| Saturday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 10 mph W | 15% |
| Sunday | 75°F | Slight Chance Rain Showers then Sunny | 0 to 10 mph NW | 15% |
| Sunday Night | 54°F | Partly Cloudy | 0 to 10 mph NW | 11% |
| Monday | 74°F | Mostly Sunny | 0 to 10 mph NW | 11% |
| Monday Night | 54°F | Partly Cloudy | 0 to 10 mph N | 11% |
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
Nearby towns & communities
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 Aug 4, 2026.