Thompson Falls, MT Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Snow Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Thompson Falls, MT in one place.
A chance of snow showers between noon and 3pm, then a chance of rain and snow showers. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Thompson Falls, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 5:03 AM MDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Thompson Falls, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 5:03 AM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Thompson Falls
Tuesday looks like the warmest upcoming period in Thompson Falls at 67 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Friday at about 2 to 6 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 5:03 AM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- MSO
- Radar station
- KMSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 25.
Mostly sunny, with a high near 54.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 66.
A slight chance of rain. Partly cloudy, with a low around 40.
A slight chance of rain. Mostly sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Partly Sunny then Chance Snow Showers
|
44°F |
2 to 6 mph
WSW
|
|
Friday Night
Apr 17
|
Mostly Clear
|
25°F |
1 to 6 mph
WSW
|
|
Saturday
Apr 18
|
Mostly Sunny
|
54°F |
3 mph
SSW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
32°F |
1 to 5 mph
S
|
|
Sunday
Apr 19
|
Mostly Sunny
|
63°F |
3 mph
S
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
38°F |
3 mph
SW
|
|
Monday
Apr 20
|
Mostly Sunny
|
66°F |
1 to 5 mph
SW
|
|
Monday Night
Apr 20
|
Slight Chance Light Rain
|
40°F |
5 mph
SW
|
|
Tuesday
Apr 21
|
Slight Chance Light Rain
|
67°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thompson Falls.