Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

54°F

12°C

Humidity 23%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 22 Mar 01:25 PM MDT
Extended Forecast for

18 Miles SW Fortine MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. West southwest wind around 11 mph, with gusts as high as 24 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. West southwest wind 6 to 11 mph becoming light west  after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West southwest wind 5 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after noon.  High near 40. South wind 5 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before midnight, then rain likely between midnight and 3am, then rain and snow likely after 3am.  Snow level 6200 feet. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow likely, mainly before noon.  Partly sunny, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A chance of snow.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow.  Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 40. West southwest wind around 11 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 29. West southwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 47. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 34. West southwest wind 5 to 8 mph.
Tuesday
Snow, mainly after noon. High near 40. South wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow before midnight, then rain likely between midnight and 3am, then rain and snow likely after 3am. Snow level 6200 feet. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Snow likely, mainly before noon. Partly sunny, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Fortine MT
 48.58°N 115.15°W (Elev. 5600 ft)
12:21 pm MDT Mar 22, 2026
1pm MDT Mar 22, 2026-6pm MDT Mar 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database