Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

40°F

4°C

Humidity 99%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 18 Mar 04:25 AM MDT
Extended Forecast for

18 Miles SW Fortine MT

Flood Watch until March 18, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 18, 06:00pm

    NOW until 6:00pm Wed

    Flood Watch

  • Overnight

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 8am.  High near 43. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am, then a slight chance of rain after 3am.  Mostly cloudy, with a low around 38. South southwest wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain.  Snow level 6300 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 46. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 41. South southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain.  High near 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 3am, then a chance of rain and snow.  Snow level 8100 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow.  Partly sunny, with a high near 42.

    High: 42 °F

    Chance Snow

Detailed Forecast

Overnight
Rain. Low around 38. Southwest wind around 8 mph. Chance of precipitation is 80%.
Wednesday
Rain, mainly before 8am. High near 43. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 2am, then a slight chance of rain after 3am. Mostly cloudy, with a low around 38. South southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of rain. Snow level 6300 feet rising to 7600 feet in the afternoon. Partly sunny, with a high near 46. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41. South southwest wind around 11 mph, with gusts as high as 23 mph.
Friday
Rain. High near 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely before 3am, then a chance of rain and snow. Snow level 8100 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 36. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A chance of snow. Partly sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 43.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 31.
Tuesday
Snow likely. Mostly cloudy, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Fortine MT
 48.58°N 115.15°W (Elev. 5600 ft)
2:01 am MDT Mar 18, 2026
5am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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