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

Hazardous Weather Conditions

Current conditions at

Petersburg (PAPG)

Lat: 56.8°NLon: 132.95°WElev: 71ft.

Light Snow Fog/Mist

31°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 29.62 in (1003.3 mb)
Dewpoint 31°F (-1°C)
Visibility 0.75 mi
Last update 18 Mar 7:56 am AKDT
Extended Forecast for

6 Miles SSW Devils Thumb AK

Winter Weather Advisory March 18, 08:58am until March 20, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 18, 08:58am until March 20, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Today

    High: 22 °F

    Snow Showers

  • Tonight

    Tonight: Snow showers. Low around 15. Southwest wind around 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

    Low: 15 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers. High near 24. South wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. Low around 16. South wind around 10 mph. Chance of precipitation is 100%.

    Low: 16 °F

    Snow Showers

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 24. South wind around 15 mph. Chance of precipitation is 60%.

    High: 24 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Snow showers likely before 4am, then snow likely after 4am. Mostly cloudy, with a low around 14. Chance of precipitation is 70%.

    Low: 14 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow. High near 26. Chance of precipitation is 80%.

    High: 26 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Cloudy, with a low around 16.

    Low: 16 °F

    Snow

Detailed Forecast

Today
Snow showers. High near 22. Southwest wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 6 inches possible.
Tonight
Snow showers. Low around 15. Southwest wind around 20 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.
Thursday
Snow showers. High near 24. South wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers. Low around 16. South wind around 10 mph. Chance of precipitation is 100%.
Friday
Snow showers likely. Mostly cloudy, with a high near 24. South wind around 15 mph. Chance of precipitation is 60%.
Friday Night
Snow showers likely before 4am, then snow likely after 4am. Mostly cloudy, with a low around 14. Chance of precipitation is 70%.
Saturday
Snow. High near 26. Chance of precipitation is 80%.
Saturday Night
Snow. Cloudy, with a low around 16.
Sunday
Snow likely. Cloudy, with a high near 24.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 13.
Monday
A chance of snow. Mostly cloudy, with a high near 24.
Monday Night
A chance of snow. Mostly cloudy, with a low around 10.
Tuesday
A chance of snow. Mostly cloudy, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Devils Thumb AK
 57.1°N 132.38°W (Elev. 3517 ft)
Last Update:
6:36 am AKDT Mar 18, 2026
Forecast Valid:
8am AKDT Mar 18, 2026-6pm AKDT Mar 24, 2026
 
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