Gibson Flats, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gibson Flats, a community in Cascade County, Montana.
Tonight
52°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 52. North northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Gibson Flats
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Light Rain | 5 mph NNE | 33% |
| Saturday | 66°F | Slight Chance Light Rain then Mostly Cloudy | 1 to 7 mph NE | 16% |
| Saturday Night | 48°F | Mostly Cloudy | 3 to 8 mph SE | 4% |
| Sunday | 74°F | Mostly Sunny | 2 mph SE | 2% |
| Sunday Night | 49°F | Mostly Clear | 7 mph SE | 0% |
| Monday | 80°F | Sunny | 5 mph SSW | 0% |
| Monday Night | 51°F | Mostly Clear | 2 to 7 mph SSW | 0% |
| Tuesday | 79°F | Sunny | 6 mph WSW | 1% |
| Tuesday Night | 51°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 80°F | Sunny | 7 mph SW | 1% |
| Wednesday Night | 52°F | Mostly Clear | 5 mph SSW | 2% |
| Thursday | 81°F | Sunny | 6 mph SSW | 2% |
| Thursday Night | 53°F | Partly Cloudy | 6 to 9 mph SSE | 1% |
| Friday | 81°F | Mostly Sunny | 6 to 9 mph SW | 1% |
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
Nearby towns & communities
Belt
Big Stone Colony
Black Eagle
Cascade
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Fair Haven Colony
Fairfield
Fort Shaw
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Pleasant Valley Colony
Riceville
Sand Coulee
Simms
Stockett
Sun Prairie
Sun River
Tracy
Ulm
Vaughn
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 Sep 19, 2026.