NWS Forecast for Libby MT

National Weather Service Forecast for: Libby MT
Issued by: National Weather Service Missoula, MT

Updated: 1:02 am MST Feb 2, 2026

Overnight Partly Cloudy	Monday Patchy Fog then Chance Rain	Monday Night Slight Chance Rain and Patchy Fog then Patchy Fog	Tuesday Areas Fog	Tuesday Night Patchy Fog	Wednesday Patchy Fog	Wednesday Night Patchy Fog	Thursday Patchy Fog then Mostly Sunny	Thursday Night Mostly Clear then Patchy Fog
Lo 34 °F	Hi 43 °F	Lo 34 °F	Hi 44 °F	Lo 33 °F	Hi 47 °F	Lo 33 °F	Hi 48 °F	Lo 31 °F

Overnight	Partly cloudy, with a low around 34. Light east wind.
Monday	A 30 percent chance of rain, mainly after 4pm. Patchy fog before noon. Otherwise, increasing clouds, with a high near 43. Calm wind.
Monday Night	A 20 percent chance of rain before 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Tuesday	Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 44. Calm wind.
Tuesday Night	Patchy fog. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Wednesday	Patchy fog before 1pm. Otherwise, partly sunny, with a high near 47.
Wednesday Night	Patchy fog. Otherwise, mostly cloudy, with a low around 33.
Thursday	Patchy fog before 10am. Otherwise, mostly sunny, with a high near 48.
Thursday Night	Patchy fog after midnight. Otherwise, partly cloudy, with a low around 31.
Friday	Mostly sunny, with a high near 48.
Friday Night	Patchy fog. Otherwise, partly cloudy, with a low around 32.
Saturday	A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 47.
Saturday Night	A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 35.
Sunday	A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 43.

Forecast from NOAA-NWS for Libby MT.