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Dell, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dell, a community in Beaverhead County, Montana.

Tonight
47°F
Chance Showers And Thunderstorms then Light Rain Likely
A chance of showers and thunderstorms before midnight, then rain likely. Mostly cloudy. Low around 47, with temperatures rising to around 50 overnight. West northwest wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Dell

WhenTempForecastWindPrecip
Tonight 47°F Chance Showers And Thunderstorms then Light Rain Likely 3 mph WNW 61%
Saturday 56°F Light Rain Likely then Showers And Thunderstorms 3 to 7 mph N 75%
Saturday Night 45°F Chance Light Rain then Mostly Cloudy 3 to 7 mph NW 37%
Sunday 64°F Partly Sunny 2 to 6 mph NW 3%
Sunday Night 43°F Mostly Clear 6 mph SE 0%
Monday 71°F Sunny 5 mph S 1%
Monday Night 46°F Partly Cloudy 2 to 6 mph S 1%
Tuesday 71°F Mostly Sunny 5 mph S 2%
Tuesday Night 46°F Partly Cloudy 5 mph S 10%
Wednesday 72°F Sunny 3 to 7 mph S 3%
Wednesday Night 45°F Mostly Clear 8 mph S 3%
Thursday 73°F Sunny 6 to 10 mph SSE 2%
Thursday Night 46°F Partly Cloudy 7 to 12 mph SSE 1%
Friday 73°F Mostly Sunny 7 to 14 mph S 2%

Forecast source: National Weather Service (api.weather.gov) for Dell (44.727, -112.697). Updated through the day.

Growing snapshot for Dell

Last spring frost
Jun 11
First fall frost
Sep 10
Growing season
89 days
Hardiness zone
5a

More local growing data for Dell: nearby ZIP 59724 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Lima, Mt (10.6 mi from Dell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.