NWS Forecast for Columbia Falls MT

National Weather Service Forecast for: Columbia Falls MT
Issued by: National Weather Service Missoula, MT

Updated: 12:21 am MDT Jun 30, 2026

Overnight Rain Likely	Tuesday Chance Rain then Showers Likely	Tuesday Night Partly Cloudy	Wednesday Mostly Sunny	Wednesday Night Mostly Clear	Thursday Sunny	Thursday Night Partly Cloudy	Friday Mostly Sunny	Friday Night Partly Cloudy
Lo 50 °F	Hi 67 °F	Lo 50 °F	Hi 71 °F	Lo 48 °F	Hi 72 °F	Lo 50 °F	Hi 73 °F	Lo 50 °F

Hydrologic Outlook
Flood Watch

Overnight	Rain likely, mainly before 4am. Mostly cloudy, with a low around 50. Light south wind. Chance of precipitation is 70%.
Tuesday	Rain and thunderstorms likely before 4pm, then a chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 67. South wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday Night	Partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm in the evening.
Wednesday	Mostly sunny, with a high near 71. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night	Mostly clear, with a low around 48. South southwest wind around 6 mph becoming calm in the evening.
Thursday	Sunny, with a high near 72.
Thursday Night	Partly cloudy, with a low around 50.
Friday	Mostly sunny, with a high near 73.
Friday Night	Partly cloudy, with a low around 50.
Independence Day	Sunny, with a high near 77.
Saturday Night	Mostly clear, with a low around 52.
Sunday	Sunny, with a high near 82.
Sunday Night	Mostly clear, with a low around 55.
Monday	Mostly sunny, with a high near 83.

Forecast from NOAA-NWS for Columbia Falls MT.