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.
This Afternoon
82°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. North northeast wind around 8 mph. Chance of precipitation is 20%.
7-day forecast for Crow Agency
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Slight Chance Showers And Thunderstorms | 8 mph NNE | 20% |
| Tonight | 55°F | Chance Showers And Thunderstorms then Patchy Fog | 3 to 8 mph NNW | 96% |
| Saturday | 65°F | Patchy Fog | 5 to 10 mph N | 91% |
| Saturday Night | 50°F | Showers And Thunderstorms | 12 mph N | 90% |
| Sunday | 64°F | Rain Showers | 12 mph WNW | 78% |
| Sunday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 6 mph W | 23% |
| Monday | 74°F | Mostly Sunny | 3 mph SSE | 1% |
| Monday Night | 46°F | Mostly Clear | 6 mph SE | 0% |
| Tuesday | 80°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph ESE | 9% |
| Wednesday | 81°F | Mostly Sunny | 5 mph WSW | 4% |
| Wednesday Night | 48°F | Mostly Clear | 5 mph ESE | 4% |
| Thursday | 82°F | Sunny | 5 mph SSW | 1% |
| Thursday Night | 50°F | Partly Cloudy | 6 mph ESE | 2% |
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 Sep 19, 2026.