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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.

Overnight
28°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 28. West southwest wind around 3 mph.

7-day forecast for Loma

WhenTempForecastWindPrecip
Overnight 28°F Patchy Fog 3 mph WSW 0%
Wednesday 46°F Patchy Fog then Sunny 3 mph WNW 0%
Wednesday Night 28°F Partly Cloudy 3 mph SE 0%
Thursday 55°F Mostly Sunny 2 to 10 mph SW 0%
Thursday Night 34°F Partly Cloudy 9 mph WSW 0%
Friday 56°F Sunny 7 to 15 mph SW 0%
Friday Night 40°F Partly Cloudy 12 to 17 mph WSW 0%
Saturday 60°F Mostly Sunny 6 to 12 mph SW 0%
Saturday Night 37°F Partly Cloudy 6 mph S 0%
Sunday 63°F Partly Sunny 3 to 15 mph SW 0%
Sunday Night 38°F Mostly Cloudy 5 to 13 mph W 1%
Monday 54°F Mostly Sunny 6 mph WSW 1%
Monday Night 36°F Mostly Cloudy 5 mph S 0%
Tuesday 60°F Mostly Sunny 5 to 13 mph SW 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.