Alpha, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alpha, a village in Iron County, Michigan.
Today
78°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms between noon and 3pm. Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
7-day forecast for Alpha
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NW | 26% |
| Tonight | 52°F | Mostly Cloudy | 0 to 5 mph N | 11% |
| Wednesday | 75°F | Mostly Sunny | 0 to 5 mph NW | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Thursday | 81°F | Sunny | 0 to 5 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 5 mph SW | 1% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Friday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 33% |
| Saturday | 81°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph W | 25% |
| Saturday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 46% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 34% |
| Monday | 78°F | Slight Chance Rain Showers | 0 to 5 mph NW | 24% |
| Monday Night | 54°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 24% |
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 Aug 4, 2026.