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
77°F
Mostly Sunny
Mostly sunny, with a high near 77. West southwest wind around 3 mph.
7-day forecast for Twin Hills Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny | 3 mph WSW | 0% |
| Tonight | 50°F | Mostly Clear | 2 to 6 mph SSW | 1% |
| Wednesday | 85°F | Sunny | 5 to 8 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 6 mph WSW | 0% |
| Thursday | 92°F | Sunny | 3 to 9 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 8 mph NE | 0% |
| Friday | 96°F | Sunny | 3 to 12 mph WNW | 1% |
| Friday Night | 58°F | Mostly Clear | 10 mph WNW | 0% |
| Saturday | 93°F | Sunny | 7 to 10 mph WNW | 0% |
| Saturday Night | 58°F | Mostly Clear | 8 mph NNE | 0% |
| Sunday | 89°F | Sunny | 9 mph NNW | 0% |
| Sunday Night | 57°F | Partly Cloudy | 10 mph NNE | 7% |
| Monday | 87°F | Sunny | 9 mph NNE | 5% |
| Monday Night | 56°F | Mostly Clear | 10 mph ENE | 11% |
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 Aug 4, 2026.