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

Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 62.05°NLon: 163.3°WElev: 312ft.

Light Rain

54°F

12°C

Humidity NA
Wind Speed S 17 G 25 mph
Barometer 29.79 in (1009.3 mb)
Dewpoint N/A
Visibility 4.00 mi
Wind Chill49°F (9°C)
Last update 12 Aug 8:56 pm AKDT
Extended Forecast for

4 Miles ESE Chuloonawick AK

High Surf Advisory August 12, 09:37pm until August 13, 04:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 12, 09:37pm until August 13, 04:00am

    NOW until 4:00am Wed

    High Surf Advisory

  • Tonight

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Cloudy, with a high near 55. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 46. Northwest wind around 15 mph.

    Low: 46 °F

    Chance Rain

  • Thursday

    Thursday: A 10 percent chance of rain before 7am. Partly sunny, with a high near 54. Northwest wind around 10 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 46. West wind around 10 mph.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly between 7am and 10am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Low around 50. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 10am. Cloudy, with a high near 55. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 46. Northwest wind around 15 mph.
Thursday
A 10 percent chance of rain before 7am. Partly sunny, with a high near 54. Northwest wind around 10 mph.
Thursday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 46. West wind around 10 mph.
Friday
A 30 percent chance of rain, mainly between 7am and 10am. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain. Cloudy, with a low around 49.
Saturday
A chance of rain. Cloudy, with a high near 58.
Saturday Night
A chance of rain. Cloudy, with a low around 50.
Sunday
A chance of rain. Cloudy, with a high near 57.
Sunday Night
A chance of rain. Cloudy, with a low around 50.
Monday
A slight chance of rain. Cloudy, with a high near 59.
Monday Night
A slight chance of rain. Cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Chuloonawick AK
 62.92°N 164.08°W (Elev. 7 ft)
Last Update:
9:16 pm AKDT Aug 12, 2025
Forecast Valid:
9pm AKDT Aug 12, 2025-6pm AKDT Aug 19, 2025
 
Forecast Discussion
 
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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