Harman US

Warm Spring Creek, MT Weather & Growing Conditions

Tonight
50°F
Slight Chance Showers And Thunderstorms then Rain Likely
A slight chance of showers and thunderstorms before 9pm, then rain likely. Cloudy. Low around 50, with temperatures rising to around 55 overnight. Northeast wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 50°F Slight Chance Showers And Thunderstorms then Rain Likely 9 mph NE 56%
Saturday 54°F Rain Likely then Showers And Thunderstorms Likely 8 mph NE 64%
Saturday Night 49°F Rain Likely 7 mph NE 74%
Sunday 57°F Chance Light Rain 5 mph ENE 44%
Sunday Night 46°F Partly Cloudy 5 to 8 mph SE 2%
Monday 68°F Sunny 5 mph S 0%
Monday Night 51°F Mostly Clear 3 to 9 mph S 0%
Tuesday 70°F Mostly Sunny 5 mph WSW 1%
Tuesday Night 52°F Partly Cloudy 6 mph SE 2%
Wednesday 70°F Sunny 6 mph WSW 2%
Wednesday Night 52°F Mostly Clear 6 mph SSE 2%
Thursday 72°F Sunny 6 mph S 2%
Thursday Night 54°F Mostly Clear 6 to 9 mph SSE 3%
Friday 73°F Mostly Sunny 7 mph SSW 1%

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

Growing snapshot for Warm Spring Creek, MT

Last spring frost
May 14
First fall frost
Sep 28
Growing season
135 days
Hardiness zone
4b

Explore more for Warm Spring Creek, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Lewistown, Mt (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.