Iron River, MI Weather & Growing Conditions
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 62, with temperatures falling to around 58 in the afternoon. South wind around 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 5 mph S | 26% |
| Tonight | 43°F | Rain Showers | 0 to 5 mph SW | 76% |
| Thursday | 45°F | Rain Showers Likely then Chance Rain And Snow Showers | 10 to 15 mph N | 66% |
| Thursday Night | 26°F | Chance Snow Showers | 10 to 15 mph N | 35% |
| Friday | 41°F | Partly Sunny | 5 to 10 mph N | 6% |
| Friday Night | 19°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 46°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 27°F | Partly Cloudy | 5 mph W | 1% |
| Sunday | 51°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 3% |
| Monday | 57°F | Partly Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 32°F | Mostly Clear | 5 mph W | 1% |
| Tuesday | 52°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Tuesday Night | 27°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Iron River, MI
Last spring frost
Jun 4
First fall frost
Sep 10
Growing season
95 days
Hardiness zone
4a
Explore more for Iron River, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Stambaugh 2Sse, Mi (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.