National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

LIBBY (LBBM8)

Lat: 48.40361°NLon: 115.53917°WElev: 2070.0ft.

NA

44°F

7°C

Humidity 60%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Apr 10:25 AM MDT
Extended Forecast for

17 Miles SW Fortine MT

  • Today

    Today: Sunny, with a high near 50. West southwest wind 3 to 7 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. South southwest wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after midnight. Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51.

    High: 51 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 50. West southwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 33. West southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 58. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 40. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 45.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51.
Wednesday Night
Rain likely before 9pm, then rain and snow likely. Snow level 6600 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 36.
Thursday
A chance of rain and snow. Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 29.
Friday
A slight chance of snow. Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SW Fortine MT
 48.56°N 115.11°W (Elev. 4800 ft)
Last Update:
2:01 am MDT Apr 18, 2026
Forecast Valid:
10am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation