Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

64°F

18°C

Humidity 46%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 03 Sep 06:25 PM MDT
Extended Forecast for

4 Miles SSE Libby MT

  • Tonight

    Tonight: Rain likely, mainly after 2am.  Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 41. Calm wind.  Chance of precipitation is 60%.

    Low: 41 °F

    Mostly Cloudy
    then Rain
    Likely and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of rain between 8am and 2pm.  Patchy fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 40 percent chance of rain after 5am.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain likely before 3pm, then showers likely and possibly a thunderstorm after 3pm.  Areas of fog before 10am.  Otherwise, mostly cloudy, with a high near 73. Calm wind.  Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Areas Fog

  • Saturday Night

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

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 76. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 44. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: Rain likely before noon, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Rain likely, mainly after 2am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain between 8am and 2pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind.
Friday Night
A 40 percent chance of rain after 5am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Saturday
Rain likely before 3pm, then showers likely and possibly a thunderstorm after 3pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 73. Calm wind. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40. Calm wind.
Sunday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain, mainly before noon. Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Libby MT
 48.33°N 115.51°W (Elev. 2398 ft)
2:01 pm MDT Sep 3, 2026
6pm MDT Sep 3, 2026-6pm MDT Sep 10, 2026
 
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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