Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

45°F

7°C

Humidity 97%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 12 Apr 02:25 AM MDT
Extended Forecast for

18 Miles SW Fortine MT

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 40. South southwest wind 3 to 5 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 5pm.  Snow level 6400 feet rising to 7300 feet in the afternoon. Partly sunny, with a high near 53. Light and variable wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain showers before 3am, then a slight chance of rain and snow showers after 5am.  Snow level 7400 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 38. East northeast wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: Showers likely, mainly after noon.  Snow level 6400 feet. Mostly cloudy, with a high near 47. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow showers before midnight.  Snow level 6600 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 36. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow showers, mainly after noon.  Mostly cloudy, with a high near 40. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after midnight.  Low around 33. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 33 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday

    Wednesday: Snow showers.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Snow Showers

  • Wednesday Night

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

    Low: 25 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 40. South southwest wind 3 to 5 mph.
Sunday
Showers likely, mainly after 5pm. Snow level 6400 feet rising to 7300 feet in the afternoon. Partly sunny, with a high near 53. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of rain showers before 3am, then a slight chance of rain and snow showers after 5am. Snow level 7400 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 38. East northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Showers likely, mainly after noon. Snow level 6400 feet. Mostly cloudy, with a high near 47. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of rain and snow showers before midnight. Snow level 6600 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 36. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 40. Little or no snow accumulation expected.
Tuesday Night
Snow showers, mainly after midnight. Low around 33. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
Snow showers. Mostly cloudy, with a high near 37.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A slight chance of snow. Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 46.
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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 Apr 12, 2026
3am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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