Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

St. Mary's, St. Mary's Airport (PASM)

Lat: 62.05°NLon: 163.3°WElev: 312ft.

Light Snow

5°F

-15°C

Humidity 87%
Wind Speed N 7 mph
Barometer 30.09 in (1020.3 mb)
Dewpoint 2°F (-17°C)
Visibility 9.00 mi
Wind Chill-7°F (-22°C)
Last update 9 Dec 8:56 pm AKST
Extended Forecast for

12 Miles ESE New Knockhock AK

  • Tonight

    Tonight: Mostly clear, with a low around -5. Northwest wind 10 to 15 mph.

    Low: -5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a temperature falling to around -5 by 10am. Northwest wind 5 to 10 mph.

    High: 1 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a temperature rising to around 0 by 4am. Northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: -6 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of snow before 3pm, then a chance of snow and freezing rain.  Mostly cloudy, with a high near 19. South wind 15 to 20 mph.  Chance of precipitation is 40%.

    High: 19 °F

    Slight Chance
    Snow then
    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: A chance of snow and freezing rain before 3am, then a chance of snow.  Mostly cloudy, with a low around 19. Southwest wind around 15 mph.  Chance of precipitation is 50%.

    Low: 19 °F

    Chance Wintry
    Mix

  • Friday

    Friday: A 20 percent chance of snow before 9am.  Mostly sunny, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -5. Northwest wind 10 to 15 mph.
Wednesday
Sunny, with a temperature falling to around -5 by 10am. Northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a temperature rising to around 0 by 4am. Northwest wind 5 to 10 mph becoming southeast in the evening.
Thursday
A slight chance of snow before 3pm, then a chance of snow and freezing rain. Mostly cloudy, with a high near 19. South wind 15 to 20 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow and freezing rain before 3am, then a chance of snow. Mostly cloudy, with a low around 19. Southwest wind around 15 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of snow before 9am. Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 15.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Sunny, with a high near 14.
Sunday Night
Mostly clear, with a low around 1.
Monday
Sunny, with a high near 6.
Monday Night
Mostly clear, with a low around 0.
Tuesday
Mostly sunny, with a high near 8.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE New Knockhock AK
 62.06°N 164.51°W (Elev. 30 ft)
9:20 pm AKST Dec 9, 2025
9pm AKST Dec 9, 2025-6pm AKST Dec 16, 2025
 
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