Harman US

Ravalli, MT Weather & Growing Conditions

This Afternoon
44°F
Partly Sunny
Partly sunny. High near 44, with temperatures falling to around 39 in the afternoon. North northwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 44°F Partly Sunny 2 mph NNW 0%
Tonight 30°F Mostly Cloudy 1 mph WSW 0%
Wednesday 46°F Partly Sunny 3 mph S 0%
Wednesday Night 29°F Partly Cloudy 5 mph SE 0%
Thursday 47°F Partly Sunny 5 mph SSW 7%
Thursday Night 32°F Mostly Cloudy 3 to 7 mph SSW 7%
Friday 50°F Partly Sunny then Slight Chance Light Rain 8 mph S 16%
Friday Night 35°F Slight Chance Light Rain then Mostly Cloudy 6 to 12 mph S 16%
Saturday 53°F Partly Sunny 2 to 6 mph S 2%
Saturday Night 36°F Partly Cloudy 2 to 10 mph SSE 12%
Sunday 58°F Partly Sunny then Slight Chance Light Rain 5 to 10 mph SSW 15%
Sunday Night 37°F Slight Chance Light Rain then Mostly Cloudy 6 mph SSW 15%
Monday 53°F Mostly Cloudy 5 mph SSW 14%
Monday Night 37°F Slight Chance Light Rain 2 to 7 mph S 17%

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

Growing snapshot for Ravalli, MT

Last spring frost
May 12
First fall frost
Oct 2
Growing season
142 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Saint Ignatius, Mt (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.