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
48°F
Rain
Rain likely before 7am, then rain and patchy fog. Cloudy, with a high near 48. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for International Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Rain | 15 mph N | 77% |
| Tonight | 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% |
| Tuesday Night | 26°F | Mostly Cloudy | 0 to 5 mph SW | 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
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 Nov 4, 2026.