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.
Today
64°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 64. Northwest wind 5 to 9 mph. Chance of precipitation is 90%.
7-day forecast for Lodge Grass
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Showers And Thunderstorms | 5 to 9 mph NW | 92% |
| Tonight | 47°F | Patchy Fog | 9 mph NW | 88% |
| Sunday | 63°F | Rain Showers | 12 mph NW | 85% |
| Sunday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph SW | 35% |
| Monday | 73°F | Mostly Sunny | 5 mph SE | 2% |
| Monday Night | 46°F | Mostly Clear | 7 mph SE | 0% |
| Tuesday | 80°F | Sunny | 2 to 6 mph ESE | 0% |
| Tuesday Night | 49°F | Mostly Clear then Slight Chance Rain Showers | 5 mph SE | 15% |
| Wednesday | 81°F | Mostly Sunny | 6 mph ESE | 5% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph SE | 4% |
| Thursday | 84°F | Sunny | 6 mph ESE | 1% |
| Thursday Night | 51°F | Mostly Clear | 3 to 8 mph SE | 1% |
| Friday | 84°F | Mostly Sunny | 3 to 7 mph SSE | 1% |
| Friday Night | 49°F | Partly Cloudy | 6 mph SSE | 8% |
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
Nearby towns & communities
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 Sep 19, 2026.