| National Weather Service Forecast for:
Columbia Falls MT Issued by: National Weather Service Missoula, MT |
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| Updated: 2:01 am MDT Aug 20, 2026 | ||||||||||||||||||
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| Overnight |
Patchy smoke. Mostly clear, with a low around 54. Calm wind. |
| Thursday |
Patchy smoke before 2pm. Sunny, with a high near 87. Calm wind becoming south around 5 mph. |
| Thursday Night |
Mostly clear, with a low around 53. Calm wind becoming northeast around 6 mph after midnight. |
| Friday |
Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming calm in the morning. |
| Friday Night |
Mostly cloudy, with a low around 57. Calm wind becoming northeast 5 to 7 mph after midnight. |
| Saturday |
A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 87. Chance of precipitation is 20%. |
| Saturday Night |
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. |
| Sunday |
A slight chance of rain before noon. Mostly sunny, with a high near 77. |
| Sunday Night |
Mostly clear, with a low around 48. |
| Monday |
Sunny, with a high near 79. |
| Monday Night |
Mostly clear, with a low around 49. |
| Tuesday |
Sunny, with a high near 83. |
| Tuesday Night |
Partly cloudy, with a low around 52. |
| Wednesday |
Sunny, with a high near 81. |
Forecast from NOAA-NWS for Columbia Falls MT.
