Heron, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heron, a community in Sanders County, Montana.
Tonight
33°F
Mostly Cloudy
Mostly cloudy, with a low around 33. North northeast wind around 1 mph.
7-day forecast for Heron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Mostly Cloudy | 1 mph NNE | 3% |
| Wednesday | 54°F | Sunny | 2 mph NW | 1% |
| Wednesday Night | 34°F | Partly Cloudy then Chance Light Rain | 2 mph S | 46% |
| Thursday | 46°F | Rain And Snow | 3 mph SSW | 75% |
| Thursday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph S | 24% |
| Friday | 51°F | Chance Light Rain | 2 to 6 mph S | 27% |
| Friday Night | 38°F | Chance Light Rain | 2 to 7 mph S | 27% |
| Saturday | 57°F | Partly Sunny | 3 mph SE | 12% |
| Saturday Night | 40°F | Mostly Cloudy then Light Rain Likely | 5 mph SE | 65% |
| Sunday | 55°F | Light Rain Likely | 5 to 10 mph SSW | 65% |
| Sunday Night | 38°F | Chance Light Rain | 2 to 8 mph SSW | 30% |
| Monday | 54°F | Partly Sunny then Chance Light Rain | 3 mph SE | 31% |
| Monday Night | 39°F | Chance Light Rain | 3 mph SSE | 32% |
| Tuesday | 55°F | Chance Light Rain | 3 mph S | 35% |
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 Nov 4, 2026.