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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

84°F

29°C

Humidity 14%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Heat Index81°F (27°C)
Last update 28 Aug 05:25 PM MDT
Extended Forecast for

Libby MT

  • Tonight

    Tonight: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain between 11am and noon. Patchy smoke between 11am and noon. Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 4am. Patchy smoke after 4am. Partly cloudy, with a low around 39. West southwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Patchy smoke before 7am. Partly sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 71 °F

    Patchy Smoke
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. West southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °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 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Light and variable wind.
Saturday
A slight chance of rain between 11am and noon. Patchy smoke between 11am and noon. Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of rain after 4am. Patchy smoke after 4am. Partly cloudy, with a low around 39. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy smoke before 7am. Partly sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 37. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Wednesday
A chance of rain, mainly before noon. Partly sunny, with a high near 78.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly cloudy, with a high near 72.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Partly sunny, with a high near 74.
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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 pm MDT Aug 28, 2026
Forecast Valid:
5pm MDT Aug 28, 2026-6pm MDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation