Columbia Falls, MT Weather Forecast

Local 7-day forecast

73°
F

Slight Chance Light Rain then Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Columbia Falls, MT in one place.

Saturday, August 29, 2026
Wind: 0 to 8 mph WNW
Saturday

A slight chance of rain before noon. Partly sunny, with a high near 73. West northwest wind 0 to 8 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Columbia 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: Aug 27, 2026 8:34 PM MDT.

The active forecast window currently covers Aug 29 to Sep 3, 2026 for Columbia Falls, MT.

Page Snapshot

Page focus
city weather
Forecast window
Aug 29 to Sep 3, 2026
Latest sync
Aug 27, 2026 8:34 PM MDT
Forecast office
MSO
Source
NOAA / NWS
Next High
73°F
Saturday
Next Low
42°F
Saturday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
2 to 12 mph
Wednesday Night

Daily Outlook

Today
Aug 29
Slight Chance Light Rain then Partly Sunny
73 °F
/ 42°F
Wind 0 to 8 mph
Sun
Aug 30
Chance Light Rain
66 °F
/ 40°F
Wind 2 to 10 mph
Mon
Aug 31
Sunny
74 °F
/ 43°F
Wind 0 to 6 mph
Tue
Sep 1
Mostly Sunny
78 °F
/ 45°F
Wind 0 to 5 mph
Wed
Sep 2
Slight Chance Light Rain
72 °F
/ 42°F
Wind 1 to 10 mph
Thu
Sep 3
Chance Light Rain
68 °F
Wind 2 to 9 mph

This Week in Columbia Falls

Tuesday looks like the warmest upcoming period in Columbia Falls at 78 degrees F.

Sunday Night is the coolest period ahead with temperatures near 40 degrees F.

The strongest winds are forecast for Wednesday Night at about 2 to 12 mph SSW.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Aug 27, 2026 8:34 PM MDT
Coverage
6 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 source

Extended Forecast

Saturday Night
Aug 29
42°F
Chance Light Rain
2 to 9 mph SW

A chance of rain. Mostly cloudy, with a low around 42. Southwest wind 2 to 9 mph. Chance of precipitation is 30%.

Sunday
Aug 30
66°F
Chance Light Rain
2 to 10 mph SW

A chance of rain. Partly sunny, with a high near 66. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Sunday Night
Aug 30
40°F
Slight Chance Light Rain then Partly Cloudy
0 to 9 mph WSW

A slight chance of rain before midnight. Partly cloudy, with a low around 40.

Monday
Aug 31
74°F
Sunny
0 to 6 mph SSE

Sunny, with a high near 74.

Monday Night
Aug 31
43°F
Mostly Clear
1 to 5 mph E

Mostly clear, with a low around 43.

Tuesday
Sep 1
78°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 78.

Tuesday Night
Sep 1
45°F
Partly Cloudy then Slight Chance Light Rain
0 to 7 mph S

A slight chance of rain after midnight. Partly cloudy, with a low around 45.

Wednesday
Sep 2
72°F
Slight Chance Light Rain
1 to 10 mph SSW

A slight chance of rain. Partly sunny, with a high near 72.

Wednesday Night
Sep 2
42°F
Slight Chance Light Rain
2 to 12 mph SSW

A slight chance of rain. Partly cloudy, with a low around 42.

Thursday
Sep 3
68°F
Chance Light Rain
2 to 9 mph SSW

A chance of rain. Partly sunny, with a high near 68.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 29
Slight Chance Light Rain then Partly Sunny
73°F
0 to 8 mph
WNW
Saturday Night
Aug 29
Chance Light Rain
42°F
2 to 9 mph
SW
Sunday
Aug 30
Chance Light Rain
66°F
2 to 10 mph
SW
Sunday Night
Aug 30
Slight Chance Light Rain then Partly Cloudy
40°F
0 to 9 mph
WSW
Monday
Aug 31
Sunny
74°F
0 to 6 mph
SSE
Monday Night
Aug 31
Mostly Clear
43°F
1 to 5 mph
E
Tuesday
Sep 1
Mostly Sunny
78°F
0 to 5 mph
SE
Tuesday Night
Sep 1
Partly Cloudy then Slight Chance Light Rain
45°F
0 to 7 mph
S
Wednesday
Sep 2
Slight Chance Light Rain
72°F
1 to 10 mph
SSW
Wednesday Night
Sep 2
Slight Chance Light Rain
42°F
2 to 12 mph
SSW
Thursday
Sep 3
Chance Light Rain
68°F
2 to 9 mph
SSW
Columbia Falls Montana Sign on US2
Columbia Falls Montana Sign on US2 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.