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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

LIBBY (LBBM8)

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

NA

39°F

4°C

Humidity 97%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 17 Mar 09:25 AM MDT
Extended Forecast for

Libby MT

  • Today

    Today: A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 57. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 60. Light south southwest wind.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 4pm. Partly sunny, with a high near 55. Calm wind.
Tonight
Rain, mainly after 2am. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 57. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43. Calm wind.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 60. Light south southwest wind.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 55.
Saturday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Libby MT
 48.39°N 115.55°W (Elev. 2198 ft)
Last Update:
2:01 am MDT Mar 17, 2026
Forecast Valid:
10am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation