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Black Eagle, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Black Eagle, a community in Cascade County, Montana.

Today
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 48 in the afternoon. South wind 3 to 9 mph.

7-day forecast for Black Eagle

WhenTempForecastWindPrecip
Today 57°F Sunny 3 to 9 mph S 0%
Tonight 30°F Partly Cloudy 5 mph SW 0%
Wednesday 49°F Mostly Sunny 1 to 5 mph WSW 0%
Wednesday Night 31°F Mostly Clear 1 to 7 mph SSW 0%
Thursday 56°F Mostly Sunny 7 to 17 mph SW 0%
Thursday Night 35°F Mostly Clear 15 mph SW 0%
Friday 55°F Mostly Sunny 14 to 25 mph SW 1%
Friday Night 38°F Partly Cloudy 15 to 23 mph SW 4%
Saturday 56°F Mostly Sunny 7 to 16 mph SW 0%
Saturday Night 39°F Partly Cloudy 7 to 14 mph SW 0%
Sunday 62°F Partly Sunny 13 to 20 mph SW 0%
Sunday Night 39°F Mostly Cloudy 7 to 13 mph SW 1%
Monday 56°F Partly Sunny 3 to 7 mph SW 2%
Monday Night 39°F Mostly Cloudy 3 to 10 mph SSW 2%

Forecast source: National Weather Service (api.weather.gov) for Black Eagle (47.528, -111.260). Updated through the day.

Growing snapshot for Black Eagle

Last spring frost
May 6
First fall frost
Oct 1
Growing season
147 days
Hardiness zone
4b

More local growing data for Black Eagle: nearby ZIP 59414 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Great Falls 16St, Mt (2.9 mi from Black Eagle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.