Crow Agency, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crow Agency, a community in Big Horn County, Montana.
Tonight
27°F
Patchy Fog
Patchy fog. Clear, with a low around 27. South wind around 3 mph.
7-day forecast for Crow Agency
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Patchy Fog | 3 mph S | 0% |
| Wednesday | 51°F | Patchy Fog then Sunny | 1 to 5 mph WNW | 0% |
| Wednesday Night | 27°F | Patchy Fog | 5 mph S | 0% |
| Thursday | 56°F | Patchy Fog then Mostly Sunny | 3 mph WSW | 1% |
| Thursday Night | 31°F | Partly Cloudy then Patchy Fog | 3 mph SW | 2% |
| Friday | 57°F | Patchy Fog then Sunny | 5 mph SSW | 4% |
| Friday Night | 34°F | Partly Cloudy | 2 to 6 mph SW | 7% |
| Saturday | 61°F | Sunny | 5 mph WSW | 1% |
| Saturday Night | 33°F | Mostly Clear | 5 mph S | 0% |
| Sunday | 67°F | Mostly Sunny | 5 mph SW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 3 mph SW | 0% |
| Monday | 60°F | Mostly Sunny | 5 mph ESE | 1% |
| Monday Night | 34°F | Mostly Cloudy | 3 mph SE | 1% |
| Tuesday | 63°F | Mostly Sunny | 3 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Crow Agency (45.603, -107.459). Updated through the day.
Growing snapshot for Crow Agency
Last spring frost
May 13
First fall frost
Sep 29
Growing season
135 days
Hardiness zone
4b
More local growing data for Crow Agency: nearby ZIP 59031 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hardin, Mt (19.7 mi from Crow Agency). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.