Harman US

Twin Creeks, MT Weather & Growing Conditions

Tonight
46°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2am, then areas of fog and a chance of rain showers. Cloudy, with a low around 46. North northeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 46°F Showers And Thunderstorms Likely 2 mph NNE 57%
Saturday 65°F Areas Of Fog 0 to 3 mph ESE 36%
Saturday Night 41°F Partly Cloudy then Patchy Fog 1 mph ESE 4%
Sunday 70°F Areas Of Fog then Sunny 0 to 3 mph SW 0%
Sunday Night 44°F Clear 2 mph WNW 0%
Monday 73°F Sunny 0 to 5 mph SSW 0%
Monday Night 44°F Mostly Clear 1 mph WNW 0%
Tuesday 72°F Sunny 0 to 3 mph WSW 0%
Tuesday Night 44°F Mostly Clear 1 mph NW 1%
Wednesday 71°F Sunny 0 to 5 mph SW 1%
Wednesday Night 44°F Mostly Clear 2 mph NW 2%
Thursday 73°F Sunny 2 mph ESE 1%
Thursday Night 46°F Partly Cloudy 0 mph 2%
Friday 72°F Mostly Sunny 0 to 3 mph SW 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Twin Creeks, MT

Growing season
45 days
Hardiness zone
5b

Explore more for Twin Creeks, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Potomac, Mt (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.