Thompson Falls, MT Monthly Weather

Sanders County5:04 AM MDT47.59°N, 115.34°WElevation 2,556 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
155°/41°Avg 52°/38°
260°/46°Avg 51°/37°
360°/45°Avg 51°/37°
470°/51°Avg 50°/37°
564°/48°Avg 50°/36°
662°/47°Avg 49°/36°
764°/51°Avg 49°/35°
865°/50°Avg 48°/35°
956°/37°0.08 inAvg 48°/34°
1040°/27°0.11 inAvg 47°/34°
1128°/24°0.07 inAvg 46°/34°
1231°/24°0.07 inAvg 46°/33°
1338°/26°Avg 46°/33°
1445°/30°Avg 45°/32°
1551°/36°Avg 44°/32°
1660°/39°Avg 44°/32°
1755°/37°Avg 44°/31°
1849°/35°Avg 43°/31°
1954°/39°Avg 42°/30°
2056°/46°Avg 42°/30°
2160°/45°Avg 42°/30°
22Avg 41°/30°
23Avg 41°/29°
24 Patchy Fog then Mostly Sunny 58°/25°Avg 40°/29°
25 Patchy Fog then Mostly Sunny 59°/25°Avg 40°/29°
26 Partly Sunny 57°/27°Avg 39°/28°
27 Light Rain Likely 52°/26°Avg 39°/28°
28 Chance Light Rain 52°/22°Avg 38°/28°
29 Slight Chance Rain And Snow 52°/–Avg 38°/28°
30 Partly cloudy 52°/28°Avg 38°/27°
31 Partly cloudy 54°/33°Avg 37°/27°
Average high53° (normal 47°)
Average low39° (normal 34°)
Warmest / coldest70° / 24°
Precipitation0.33 in (normal 2.40 in to date)

Observed: Mullan Pass Vor/dme, 29 km away, records since 1938. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.