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Lodge Grass, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lodge Grass, a town in Big Horn County, Montana.

Tonight
28°F
Patchy Fog
Patchy fog after 11pm. Clear, with a low around 28. South southeast wind around 6 mph.

7-day forecast for Lodge Grass

WhenTempForecastWindPrecip
Tonight 28°F Patchy Fog 6 mph SSE 0%
Wednesday 53°F Patchy Fog then Sunny 1 to 5 mph WNW 0%
Wednesday Night 29°F Patchy Fog 5 mph SE 0%
Thursday 58°F Mostly Sunny 0 to 5 mph NNW 0%
Thursday Night 32°F Partly Cloudy then Patchy Fog 2 mph WSW 1%
Friday 57°F Patchy Fog then Sunny 1 to 5 mph SW 2%
Friday Night 34°F Partly Cloudy 1 to 6 mph SSW 6%
Saturday 61°F Sunny 5 mph WSW 2%
Saturday Night 36°F Mostly Clear 2 to 6 mph SSE 0%
Sunday 69°F Mostly Sunny 1 to 6 mph W 0%
Sunday Night 37°F Partly Cloudy 3 mph WSW 0%
Monday 61°F Mostly Sunny 3 mph ESE 1%
Monday Night 36°F Mostly Cloudy 3 mph SSE 1%
Tuesday 64°F Mostly Sunny 3 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Lodge Grass (45.314, -107.368). Updated through the day.

Growing snapshot for Lodge Grass

Last spring frost
May 21
First fall frost
Sep 17
Growing season
117 days
Hardiness zone
5a

More local growing data for Lodge Grass: nearby ZIP 59050 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Wyola 1 Sw, Mt (10.1 mi from Lodge Grass). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.