Elmo, MT Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. North wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 2 mph N | 1% |
| Saturday | 72°F | Sunny | 0 to 3 mph NE | 1% |
| Saturday Night | 50°F | Mostly Clear | 2 mph SSE | 1% |
| Sunday | 72°F | Sunny | 0 to 3 mph SSE | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 74°F | Sunny | 0 to 3 mph S | 0% |
| Monday Night | 51°F | Mostly Clear | 0 to 3 mph W | 0% |
| Tuesday | 74°F | Sunny | 0 to 3 mph SSE | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 2 mph N | 1% |
| Wednesday | 73°F | Mostly Sunny | 0 to 5 mph ESE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph W | 3% |
| Thursday | 71°F | Mostly Sunny | 0 to 3 mph SSE | 1% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph N | 7% |
| Friday | 69°F | Partly Sunny | 3 mph ENE | 10% |
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 Sep 19, 2026.