Gibson Flats, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gibson Flats, a community in Cascade County, Montana.
Today
58°F
Sunny
Sunny. High near 58, with temperatures falling to around 49 in the afternoon. South southeast wind 3 to 9 mph.
7-day forecast for Gibson Flats
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Sunny | 3 to 9 mph SSE | 0% |
| Tonight | 30°F | Partly Cloudy | 5 mph SSW | 0% |
| Wednesday | 50°F | Mostly Sunny | 3 mph SW | 0% |
| Wednesday Night | 32°F | Mostly Clear | 1 to 8 mph SSW | 0% |
| Thursday | 56°F | Mostly Sunny | 8 to 20 mph SW | 0% |
| Thursday Night | 35°F | Mostly Clear | 16 mph SW | 0% |
| Friday | 55°F | Mostly Sunny | 14 to 29 mph SW | 1% |
| Friday Night | 37°F | Partly Cloudy | 15 to 24 mph SW | 4% |
| Saturday | 56°F | Mostly Sunny | 7 to 17 mph SW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 7 to 16 mph SSW | 0% |
| Sunday | 62°F | Mostly Sunny | 13 to 22 mph SW | 0% |
| Sunday Night | 39°F | Mostly Cloudy | 8 to 14 mph SW | 1% |
| Monday | 56°F | Partly Sunny | 5 to 8 mph SW | 2% |
| Monday Night | 39°F | Mostly Cloudy | 5 to 12 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Gibson Flats (47.464, -111.240). Updated through the day.
Growing snapshot for Gibson Flats
Last spring frost
May 6
First fall frost
Oct 1
Growing season
147 days
Hardiness zone
4b
More local growing data for Gibson Flats: nearby ZIP 59401 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Great Falls 16St, Mt (1.6 mi from Gibson Flats). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.