Dell, MT Weather & Growing Conditions
Overnight
41°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 41. North northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Areas Of Smoke | 3 mph NNW | 0% |
| Tuesday | 69°F | Areas Of Smoke | 3 to 12 mph N | 0% |
| Tuesday Night | 46°F | Areas Of Smoke | 3 to 12 mph NNW | 0% |
| Wednesday | 75°F | Patchy Smoke | 2 to 12 mph W | 0% |
| Wednesday Night | 51°F | Patchy Smoke then Mostly Clear | 3 to 10 mph W | 0% |
| Thursday | 80°F | Sunny | 3 to 14 mph WSW | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 to 14 mph W | 0% |
| Friday | 83°F | Sunny | 2 to 21 mph SW | 0% |
| Friday Night | 56°F | Mostly Clear | 5 to 20 mph W | 0% |
| Saturday | 82°F | Sunny | 3 to 18 mph WSW | 2% |
| Saturday Night | 55°F | Partly Cloudy | 3 to 17 mph W | 0% |
| Sunday | 81°F | Sunny | 2 to 16 mph WSW | 1% |
| Sunday Night | 54°F | Partly Cloudy | 3 to 18 mph WNW | 1% |
| Monday | 79°F | Sunny | 2 to 14 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dell, MT
Last spring frost
Jun 11
First fall frost
Sep 10
Growing season
89 days
Hardiness zone
5a
Explore more for Dell, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Lima, Mt (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.