NWS Forecast for Libby MT

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

Updated: 12:21 am MDT Jun 30, 2026

Overnight Chance Rain and Patchy Fog	Tuesday Rain Likely and Areas Fog then Chance Rain	Tuesday Night Partly Cloudy then Areas Fog	Wednesday Slight Chance Rain and Areas Fog then Mostly Sunny	Wednesday Night Mostly Clear then Patchy Fog	Thursday Patchy Fog then Sunny	Thursday Night Partly Cloudy	Friday Mostly Sunny	Friday Night Mostly Clear
Lo 48 °F	Hi 74 °F	Lo 46 °F	Hi 78 °F	Lo 44 °F	Hi 80 °F	Lo 47 °F	Hi 80 °F	Lo 47 °F

Overnight	A 30 percent chance of rain, mainly after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 48. Calm wind.
Tuesday	Rain likely, mainly before 2pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 74. Calm wind. Chance of precipitation is 60%.
Tuesday Night	Patchy fog before 2am, then areas of fog after 3am. Otherwise, partly cloudy, with a low around 46. Calm wind.
Wednesday	A slight chance of rain between 8am and 9am. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 78. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night	Patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Light and variable wind.
Thursday	Patchy fog before 7am. Otherwise, sunny, with a high near 80.
Thursday Night	Partly cloudy, with a low around 47.
Friday	Mostly sunny, with a high near 80.
Friday Night	Mostly clear, with a low around 47.
Independence Day	Sunny, with a high near 85.
Saturday Night	Mostly clear, with a low around 49.
Sunday	Sunny, with a high near 89.
Sunday Night	Mostly clear, with a low around 53.
Monday	Mostly sunny, with a high near 90.

Forecast from NOAA-NWS for Libby MT.