Weather forecast for: Thompson Falls MT
Last Update: 2:01 am MDT Sep 22, 2026
Overnight: Mostly cloudy, with a low around 47. Calm wind.
Tuesday: Partly sunny, with a high near 81. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming calm in the evening.
Wednesday: Sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night: Partly cloudy, with a low around 43. Light and variable wind.
Thursday: Mostly sunny, with a high near 87.
Thursday Night: Mostly cloudy, with a low around 48.
Friday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 74.
Friday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 41.
Saturday: Mostly sunny, with a high near 58.
Saturday Night: Partly cloudy, with a low around 35.
Sunday: Partly sunny, with a high near 62.
Sunday Night: A slight chance of rain. Mostly cloudy, with a low around 38.
Monday: A slight chance of rain. Partly sunny, with a high near 60.