Elmo, MT Weather & Growing Conditions
This Afternoon
43°F
Partly Sunny
Partly sunny, with a high near 43. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 43°F | Partly Sunny | 2 mph NE | 0% |
| Tonight | 29°F | Mostly Cloudy | 0 mph | 0% |
| Wednesday | 46°F | Mostly Cloudy | 2 mph S | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 0 mph | 1% |
| Thursday | 46°F | Partly Sunny | 0 to 6 mph SSW | 6% |
| Thursday Night | 32°F | Mostly Cloudy | 3 mph SSW | 6% |
| Friday | 47°F | Partly Sunny | 1 to 7 mph SSW | 10% |
| Friday Night | 34°F | Mostly Cloudy | 1 to 7 mph SSW | 10% |
| Saturday | 51°F | Partly Sunny | 3 mph S | 1% |
| Saturday Night | 35°F | Mostly Cloudy | 1 mph SSW | 8% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 1 to 6 mph SSW | 17% |
| Sunday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph SW | 17% |
| Monday | 50°F | Mostly Cloudy | 2 mph SW | 11% |
| Monday Night | 36°F | Mostly Cloudy then Slight Chance Light Rain | 1 mph SW | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Elmo, MT
Last spring frost
May 15
First fall frost
Sep 28
Growing season
134 days
Hardiness zone
6a
Explore more for Elmo, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Skq Dam, Mt (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.