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Loma, MT Weather & Growing Conditions

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

Tonight
29°F
Patchy Fog
Patchy fog after 9pm. Mostly cloudy, with a low around 29. South southwest wind around 3 mph.

7-day forecast for Loma

WhenTempForecastWindPrecip
Tonight 29°F Patchy Fog 3 mph SSW 0%
Wednesday 46°F Patchy Fog 3 mph WSW 0%
Wednesday Night 27°F Patchy Fog 2 mph S 0%
Thursday 53°F Patchy Fog then Mostly Sunny 2 to 7 mph SW 0%
Thursday Night 34°F Mostly Clear 6 to 9 mph WSW 1%
Friday 55°F Mostly Sunny 8 to 17 mph SW 3%
Friday Night 37°F Partly Cloudy 14 to 17 mph WSW 4%
Saturday 55°F Mostly Sunny 5 to 14 mph WSW 0%
Saturday Night 34°F Partly Cloudy 6 mph SW 0%
Sunday 62°F Mostly Sunny 3 to 12 mph SW 1%
Sunday Night 38°F Mostly Cloudy 5 to 12 mph WSW 1%
Monday 55°F Partly Sunny 6 mph SW 1%
Monday Night 36°F Mostly Cloudy 6 mph SSE 2%
Tuesday 59°F Mostly Sunny 5 to 9 mph SSW 1%

Forecast source: National Weather Service (api.weather.gov) for Loma (47.951, -110.489). Updated through the day.

Growing snapshot for Loma

Last spring frost
May 20
First fall frost
Sep 19
Growing season
120 days
Hardiness zone
4a

More local growing data for Loma: nearby ZIP 59460 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Loma, Mt (9.5 mi from Loma). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.