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
47°F
Sunny
Sunny. High near 47, with temperatures falling to around 42 in the afternoon. West southwest wind 0 to 6 mph.
7-day forecast for Twin Hills Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 47°F | Sunny | 0 to 6 mph WSW | 0% |
| Tonight | 28°F | Partly Cloudy | 2 to 6 mph S | 0% |
| Thursday | 54°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Thursday Night | 33°F | Mostly Clear | 10 mph WSW | 0% |
| Friday | 54°F | Sunny | 10 to 18 mph SW | 0% |
| Friday Night | 39°F | Partly Cloudy | 14 to 17 mph WSW | 0% |
| Saturday | 59°F | Mostly Sunny | 6 to 14 mph SW | 0% |
| Saturday Night | 39°F | Partly Cloudy | 6 to 13 mph SSW | 0% |
| Sunday | 62°F | Partly Sunny | 13 to 18 mph SW | 0% |
| Sunday Night | 37°F | Mostly Cloudy | 7 to 15 mph W | 0% |
| Monday | 53°F | Mostly Sunny | 5 to 8 mph SW | 1% |
| Monday Night | 37°F | Mostly Cloudy | 5 to 9 mph SSW | 0% |
| Tuesday | 58°F | Mostly Sunny | 9 to 16 mph SW | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 10 mph SW | 1% |
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 Nov 4, 2026.