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

33°F

1°C

Humidity 92%
Wind Speed S 9 G 17 mph
Barometer 29.64 in (1003.9 mb)
Dewpoint 31°F (-1°C)
Visibility 0.75 mi
Wind Chill25°F (-4°C)
Last update 18 Mar 10:56 am AKDT
Extended Forecast for

Petersburg AK

Winter Weather Advisory March 18, 11:26am until March 20, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 18, 11:26am until March 20, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Today

    High: 36 °F

    Snow Showers

  • Tonight

    Tonight: Snow showers. Low around 28. South wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers. High near 37. Southeast wind 5 to 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. Low around 27. Southeast wind around 5 mph. Chance of precipitation is 100%.

    Low: 27 °F

    Snow Showers

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 37. Southeast wind around 5 mph. Chance of precipitation is 70%.

    High: 37 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Snow showers likely, mainly before 10pm, then snow likely after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Cloudy, with a low around 27.

    Low: 27 °F

    Snow

Detailed Forecast

Today
Snow showers. High near 36. South wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow showers. Low around 28. South wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 37. Southeast wind 5 to 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers. Low around 27. Southeast wind around 5 mph. Chance of precipitation is 100%.
Friday
Snow showers likely. Mostly cloudy, with a high near 37. Southeast wind around 5 mph. Chance of precipitation is 70%.
Friday Night
Snow showers likely, mainly before 10pm, then snow likely after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Saturday
Snow. High near 38. Chance of precipitation is 80%.
Saturday Night
Snow. Cloudy, with a low around 27.
Sunday
Snow. Cloudy, with a high near 38.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 26.
Monday
A chance of snow. Cloudy, with a high near 37.
Monday Night
A chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petersburg AK
 56.81°N 132.95°W (Elev. 121 ft)
Last Update:
6:36 am AKDT Mar 18, 2026
Forecast Valid:
11am AKDT Mar 18, 2026-6pm AKDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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