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

52°F

11°C

Humidity 52%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 29 Aug 01:25 AM MDT
Extended Forecast for

Libby MT

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain between 11am and noon. Patchy smoke between 1pm and 2pm. Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Rain then
    Patchy Smoke

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 5am. Patchy smoke after 9pm. Increasing clouds, with a low around 39. West southwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Patchy Smoke
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 9am. Patchy smoke between 9am and 4pm. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 71 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Smoke

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °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 after midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Calm wind.
Saturday
A slight chance of rain between 11am and noon. Patchy smoke between 1pm and 2pm. Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of rain after 5am. Patchy smoke after 9pm. Increasing clouds, with a low around 39. West southwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of rain, mainly before 9am. Patchy smoke between 9am and 4pm. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 36. Light and variable wind.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 77.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Partly sunny, with a high near 74.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Partly sunny, with a high near 76.
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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 Aug 29, 2026
Forecast Valid:
2am MDT Aug 29, 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