Heron, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heron, a community in Sanders County, Montana.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. West wind around 5 mph.
7-day forecast for Heron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 5 mph W | 0% |
| Tonight | 48°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Saturday | 78°F | Sunny | 0 to 5 mph WSW | 1% |
| Saturday Night | 49°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 79°F | Patchy Fog then Sunny | 0 to 3 mph SSW | 0% |
| Sunday Night | 50°F | Clear | 3 mph NE | 0% |
| Monday | 79°F | Sunny | 1 to 5 mph SSW | 0% |
| Monday Night | 51°F | Mostly Clear | 1 to 5 mph SSW | 0% |
| Tuesday | 77°F | Mostly Sunny | 3 mph S | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 3 mph SSW | 0% |
| Wednesday | 72°F | Mostly Sunny | 1 to 6 mph SSW | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 3 mph S | 0% |
| Thursday | 77°F | Mostly Sunny | 2 mph SSE | 1% |
| Thursday Night | 50°F | Partly Cloudy | 3 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Heron (48.064, -115.980). Updated through the day.
Growing snapshot for Heron
Last spring frost
May 20
First fall frost
Sep 20
Growing season
119 days
Hardiness zone
6b
More local growing data for Heron: nearby ZIP 59844 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Belknap
Bull Lake
Camas
Dixon
Hot Springs
Lonepine
Noxon
Old Agency
Paradise
Plains
Thompson Falls
Trout Creek
Climate data from the nearest NOAA station, Heron 2 Nw, Mt (6.2 mi from Heron). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.