Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

41°F

5°C

Humidity 88%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 15 Apr 12:25 AM MDT
Extended Forecast for

15 Miles NNW Happys Inn MT

  • Overnight

    Overnight: Snow, mainly after 3am.  Low around 32. South southwest wind 14 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow

  • Wednesday

    Wednesday: Snow, mainly before 2pm.  High near 37. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before midnight, then snow likely after 2am.  Mostly cloudy, with a low around 24. West wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 36. West wind around 9 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Southwest wind 6 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon.  Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow, mainly after 3am. Low around 32. South southwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 2pm. High near 37. Southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
A chance of snow before midnight, then snow likely after 2am. Mostly cloudy, with a low around 24. West wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 36. West wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
Partly cloudy, with a low around 25. Southwest wind 6 to 10 mph.
Friday
A 20 percent chance of snow after noon. Partly sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 59.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Happys Inn MT
 48.3°N 115.24°W (Elev. 4783 ft)
12:22 am MDT Apr 15, 2026
1am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database