Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

40°F

4°C

Humidity 69%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 16 Apr 11:25 AM MDT
Extended Forecast for

18 Miles SW Fortine MT

  • This Afternoon

    This Afternoon: Snow likely, mainly before 1pm.  Mostly cloudy, with a high near 32. Northwest wind around 8 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Likely

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West wind 3 to 8 mph.

    Low: 24 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon.  Partly sunny, with a high near 39. Light west wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.  New snow accumulation of less than a half inch possible.

    High: 39 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. Southwest wind 3 to 8 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 32. Northwest wind around 8 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West wind 3 to 8 mph.
Friday
A 30 percent chance of snow after noon. Partly sunny, with a high near 39. Light west wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 25. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 47. Southwest wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Fortine MT
 48.58°N 115.15°W (Elev. 5600 ft)
2:00 am MDT Apr 16, 2026
12pm MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database