Heron, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heron, a community in Sanders County, Montana.
This Afternoon
53°F
Sunny
Sunny. High near 53, with temperatures falling to around 47 in the afternoon. Northwest wind around 2 mph.
7-day forecast for Heron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Sunny | 2 mph NW | 1% |
| Tonight | 34°F | Mostly Cloudy then Patchy Fog | 2 mph SE | 11% |
| Thursday | 44°F | Rain And Snow Likely | 3 mph N | 56% |
| Thursday Night | 36°F | Mostly Cloudy then Patchy Fog | 2 mph SSW | 10% |
| Friday | 50°F | Partly Sunny | 3 mph S | 13% |
| Friday Night | 39°F | Slight Chance Light Rain | 3 mph S | 23% |
| Saturday | 57°F | Partly Sunny | 3 mph SE | 7% |
| Saturday Night | 40°F | Mostly Cloudy then Chance Light Rain | 5 mph SE | 36% |
| Sunday | 53°F | Chance Light Rain | 5 to 10 mph SSW | 54% |
| Sunday Night | 37°F | Chance Light Rain then Patchy Fog | 1 to 7 mph SSW | 25% |
| Monday | 52°F | Patchy Fog then Mostly Cloudy | 2 mph ESE | 10% |
| Monday Night | 38°F | Patchy Fog | 2 mph ESE | 16% |
| Tuesday | 55°F | Chance Light Rain | 3 mph S | 30% |
| Tuesday Night | 40°F | Chance Light Rain | 3 mph SSE | 30% |
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.