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 67%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 11 Apr 02:25 AM MDT
Extended Forecast for

18 Miles SW Fortine MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Northeast wind around 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly before 4pm.  Mostly cloudy, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly between 10pm and 3am.  Snow level 7400 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers, mainly after noon.  Snow level 6400 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 53. South wind 3 to 5 mph.

    High: 53 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers.  Snow level 7100 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 40. West wind around 6 mph becoming east after midnight.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Chance
    Showers

  • Monday

    Monday: A chance of rain and snow showers before 9am, then rain showers likely.  Snow level 6000 feet. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow showers before midnight.  Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A chance of snow showers, mainly after noon.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Northeast wind around 10 mph.
Saturday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 40 percent chance of showers, mainly between 10pm and 3am. Snow level 7400 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph.
Sunday
A 50 percent chance of showers, mainly after noon. Snow level 6400 feet rising to 7000 feet in the afternoon. Partly sunny, with a high near 53. South wind 3 to 5 mph.
Sunday Night
A 40 percent chance of showers. Snow level 7100 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 40. West wind around 6 mph becoming east after midnight. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of rain and snow showers before 9am, then rain showers likely. Snow level 6000 feet. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A chance of snow showers, mainly after noon. Mostly cloudy, with a high near 39.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 33.
Wednesday
Snow. 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
A slight chance of snow. Partly cloudy, with a low around 25.
Friday
A chance of snow. Mostly sunny, with a high near 40.
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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 11, 2026
2am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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