Alpha, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alpha, a village in Iron County, Michigan.
This Afternoon
64°F
Rain Showers
Rain showers and patchy fog before 5pm, then patchy fog and a slight chance of rain showers. Cloudy, with a high near 64. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Alpha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Rain Showers | 5 to 10 mph S | 88% |
| Tonight | 57°F | Rain Showers | 5 mph SE | 95% |
| Wednesday | 62°F | Patchy Fog | 5 to 10 mph SE | 89% |
| Wednesday Night | 45°F | Rain Showers | 5 mph SW | 89% |
| Thursday | 49°F | Rain Showers | 5 to 10 mph NW | 98% |
| Thursday Night | 30°F | Chance Rain Showers then Cloudy | 10 to 15 mph N | 27% |
| Friday | 42°F | Partly Sunny | 5 to 10 mph N | 6% |
| Friday Night | 24°F | Partly Cloudy | 0 to 5 mph NW | 3% |
| Saturday | 48°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 13% |
| Sunday | 52°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph NW | 15% |
| Sunday Night | 30°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 54°F | Partly Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 34°F | Partly Cloudy | 5 to 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Alpha (46.044, -88.378). Updated through the day.
Growing snapshot for Alpha
Last spring frost
May 24
First fall frost
Sep 25
Growing season
121 days
Hardiness zone
4b
More local growing data for Alpha: nearby ZIP 49902 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Florence, Wi (9.9 mi from Alpha). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.