National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 62.05°NLon: 163.3°WElev: 312ft.

Unknown Precip and Breezy

32°F

0°C

Humidity 100%
Wind Speed S 22 G 32 mph
Barometer 28.99 in (982.6 mb)
Dewpoint 32°F (0°C)
Visibility 8.00 mi
Wind Chill19°F (-7°C)
Last update 18 Nov 1:56 am AKST
Extended Forecast for

St. Marys Airport AK

Winter Weather Advisory November 18, 02:24am until November 20, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory November 18, 02:24am until November 20, 06:00am

    NOW until 6:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 27 °F

    Snow Likely

  • Tuesday

    Tuesday: A 50 percent chance of snow. Mostly cloudy, with a high near 32. South wind around 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly after 3am. Low around 18. Southwest wind 10 to 15 mph becoming east after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: Snow before 3pm, then a chance of rain and snow. Areas of blowing snow between noon and 3pm. High near 34. East wind 20 to 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow then
    Rain/Snow
    Likely and
    Areas Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly between midnight and 3am. Cloudy, with a low around 26. Southeast wind 15 to 25 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: A 50 percent chance of snow. Cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before 3am. Cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: A slight chance of snow before 3pm. Mostly cloudy, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Snow likely. Cloudy, with a low around 27. South wind 20 to 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. South wind around 20 mph, with gusts as high as 30 mph.
Tuesday Night
Snow, mainly after 3am. Low around 18. Southwest wind 10 to 15 mph becoming east after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow before 3pm, then a chance of rain and snow. Areas of blowing snow between noon and 3pm. High near 34. East wind 20 to 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly between midnight and 3am. Cloudy, with a low around 26. Southeast wind 15 to 25 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
A 50 percent chance of snow. Cloudy, with a high near 30.
Thursday Night
A 50 percent chance of snow, mainly before 3am. Cloudy, with a low around 21.
Friday
A slight chance of snow before 3pm. Mostly cloudy, with a high near 26.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
A slight chance of snow after 3pm. Mostly cloudy, with a high near 25.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Sunday
A slight chance of snow. Partly sunny, with a high near 23.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15.
Monday
A chance of snow. Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Marys Airport AK
 62.06°N 163.32°W (Elev. 203 ft)
Last Update:
1:17 am AKST Nov 18, 2025
Forecast Valid:
2am AKST Nov 18, 2025-6pm AKST Nov 24, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation