Twin Hills Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Hills Colony, a community in Chouteau County, Montana.
Today
69°F
Mostly Cloudy
Mostly cloudy, with a high near 69. East northeast wind around 7 mph.
7-day forecast for Twin Hills Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Cloudy | 7 mph ENE | 1% |
| Tonight | 47°F | Mostly Cloudy | 2 to 6 mph SE | 1% |
| Sunday | 72°F | Mostly Sunny | 2 to 7 mph SE | 0% |
| Sunday Night | 47°F | Mostly Clear | 5 to 12 mph SE | 0% |
| Monday | 79°F | Sunny | 3 to 7 mph SSE | 0% |
| Monday Night | 49°F | Mostly Clear | 2 to 8 mph S | 0% |
| Tuesday | 78°F | Sunny | 5 mph WSW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 79°F | Sunny | 5 mph SW | 1% |
| Wednesday Night | 50°F | Mostly Clear | 6 mph SSW | 3% |
| Thursday | 78°F | Sunny | 6 mph SSW | 1% |
| Thursday Night | 50°F | Partly Cloudy | 5 to 8 mph SE | 8% |
| Friday | 75°F | Mostly Sunny | 3 to 8 mph SW | 7% |
| Friday Night | 47°F | Chance Light Rain | 9 mph NNW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Twin Hills Colony (48.017, -111.070). Updated through the day.
Growing snapshot for Twin Hills Colony
Last spring frost
May 23
First fall frost
Sep 23
Growing season
120 days
Hardiness zone
4a
More local growing data for Twin Hills Colony: nearby ZIP 59420 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Carter 14 W, Mt (11.6 mi from Twin Hills Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.