Columbia Falls Weather Forecast 15 Days, Weather in Columbia Falls Today

Current weather conditions and 15 day weather forecast for Columbia Falls, Montana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Columbia Falls

16 August 2026 Sunday
8 ° C / 46.4°F
Mist
Mist
Feels Like : 6.9 ° C / 44.4°F
Humidity : % 95
Pressure : 1022 mb
Wind Speed : 3.6 kmph / 2.2 miles from NNENNE
Visibility : 2 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 31

15 day weather forecast for Columbia Falls, MT, USA

Weather Forecast for next 15 Days for Columbia Falls including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Columbia Falls, Montana state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
16 August 2026 Sunday Sunny Sunny 7.9 ° C
(46.2°F)
28.2 ° C
(82.8°F)
17.4 ° C
(63.3°F)
% 62 6% 5.2 Sunrise:06:32 AM
Sunset: 08:49 PM
Moonrise:11:31 AM
Moonset: 10:10 PM
Moon Phase
( Waxing Crescent )
17 August 2026 Monday Sunny Sunny 10 ° C
(50°F)
30.1 ° C
(86.3°F)
19.3 ° C
(66.8°F)
% 42 3% 4.7 Sunrise:06:33 AM
Sunset: 08:47 PM
Moonrise:12:52 PM
Moonset: 10:30 PM
Moon Phase
( Waxing Crescent )
18 August 2026 Tuesday Sunny Sunny 9.8 ° C
(49.7°F)
29.6 ° C
(85.3°F)
18.4 ° C
(65.1°F)
% 56 17% 7 Sunrise:06:35 AM
Sunset: 08:46 PM
Moonrise:02:10 PM
Moonset: 10:54 PM
Moon Phase
( First Quarter )
19 August 2026 Wednesday Sunny Sunny 7.6 ° C
(45.7°F)
29.2 ° C
(84.6°F)
17.8 ° C
(64.1°F)
% 47 1% 7 Sunrise:06:36 AM
Sunset: 08:44 PM
Moonrise:03:25 PM
Moonset: 11:24 PM
Moon Phase
( First Quarter )
20 August 2026 Thursday Sunny Sunny 8.2 ° C
(46.7°F)
30.2 ° C
(86.4°F)
19.1 ° C
(66.4°F)
% 37 1% 8 Sunrise:06:37 AM
Sunset: 08:42 PM
Moonrise:04:35 PM
Moonset: Does not set today
Moon Phase
( First Quarter )
21 August 2026 Friday Sunny Sunny 10 ° C
(50°F)
33.8 ° C
(92.8°F)
21.3 ° C
(70.3°F)
% 34 1% 8 Sunrise:06:39 AM
Sunset: 08:40 PM
Moonrise:05:34 PM
Moonset: 12:03 AM
Moon Phase
( First Quarter )
22 August 2026 Saturday Sunny Sunny 13.7 ° C
(56.6°F)
28.6 ° C
(83.5°F)
20.8 ° C
(69.4°F)
% 34 1% 7 Sunrise:06:40 AM
Sunset: 08:38 PM
Moonrise:06:23 PM
Moonset: 12:52 AM
Moon Phase
( Waxing Gibbous )
23 August 2026 Sunday Sunny Sunny 8.3 ° C
(46.9°F)
29.5 ° C
(85.1°F)
18.4 ° C
(65.1°F)
% 38 1% 7 Sunrise:06:41 AM
Sunset: 08:36 PM
Moonrise:07:00 PM
Moonset: 01:51 AM
Moon Phase
( Waxing Gibbous )
24 August 2026 Monday Sunny Sunny 8.8 ° C
(47.8°F)
34.2 ° C
(93.6°F)
21.5 ° C
(70.7°F)
% 32 1% 8 Sunrise:06:43 AM
Sunset: 08:34 PM
Moonrise:07:28 PM
Moonset: 02:56 AM
Moon Phase
( Waxing Gibbous )
25 August 2026 Tuesday Partly Cloudy Partly Cloudy 16.2 ° C
(61.2°F)
35.3 ° C
(95.6°F)
25 ° C
(76.9°F)
% 34 1% 9 Sunrise:06:44 AM
Sunset: 08:32 PM
Moonrise:07:50 PM
Moonset: 04:05 AM
Moon Phase
( Full Moon )
26 August 2026 Wednesday Sunny Sunny 14.4 ° C
(58°F)
36.5 ° C
(97.7°F)
22.8 ° C
(73.1°F)
% 43 57% 9 Sunrise:06:46 AM
Sunset: 08:30 PM
Moonrise:08:07 PM
Moonset: 05:15 AM
Moon Phase
( Full Moon )
27 August 2026 Thursday Sunny Sunny 13.3 ° C
(56°F)
36.3 ° C
(97.3°F)
23.3 ° C
(73.9°F)
% 40 3% 9 Sunrise:06:47 AM
Sunset: 08:29 PM
Moonrise:08:22 PM
Moonset: 06:23 AM
Moon Phase
( Full Moon )
28 August 2026 Friday Sunny Sunny 10.4 ° C
(50.7°F)
30.8 ° C
(87.4°F)
20.1 ° C
(68.2°F)
% 34 1% 8 Sunrise:06:48 AM
Sunset: 08:27 PM
Moonrise:08:36 PM
Moonset: 07:31 AM
Moon Phase
( Full Moon )
29 August 2026 Saturday Sunny Sunny 8.9 ° C
(48.1°F)
32.9 ° C
(91.2°F)
19.8 ° C
(67.6°F)
% 26 0% 8 Sunrise:06:50 AM
Sunset: 08:25 PM
Moonrise:08:49 PM
Moonset: 08:39 AM
Moon Phase
( Waning Gibbous )
Columbia Falls Weather forecasts are usually fully updated every 4 hours.
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