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.

Unknown Precip

31°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 29.96 in (1015.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Mar 11:56 pm AKDT
Extended Forecast for

Petersburg AK

Winter Weather Advisory March 20, 12:55am until March 20, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 20, 12:55am until March 20, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • Overnight

    Low: 27 °F

    Snow Showers

  • Friday

    Friday: Snow showers. High near 37. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers. Low around 30. Southeast wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow Showers

  • Saturday

    Saturday: Snow before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. High near 41. Southeast wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%.

    High: 41 °F

    Snow then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain before 7pm, then rain and snow between 7pm and 10pm, then snow after 10pm. Low around 29. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.

    Low: 29 °F

    Rain/Snow
    then Snow

  • Sunday

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

    High: 38 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 10pm. Cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 38.

    High: 38 °F

    Snow Showers
    Likely

Detailed Forecast

Overnight
Snow showers before 1am, then occasional snow after 1am. Low around 27. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of around an inch possible.
Friday
Snow showers. High near 37. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow showers. Low around 30. Southeast wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. High near 41. Southeast wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%.
Saturday Night
Rain before 7pm, then rain and snow between 7pm and 10pm, then snow after 10pm. Low around 29. Southeast wind 5 to 10 mph. Chance of precipitation is 100%.
Sunday
Snow showers. High near 38. Chance of precipitation is 80%.
Sunday Night
Snow showers likely, mainly before 10pm. Cloudy, with a low around 26. Chance of precipitation is 60%.
Monday
Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 38.
Monday Night
A chance of snow showers before 10pm. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 36.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Wednesday
Snow likely. Mostly cloudy, with a high near 36.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27.
Thursday
Snow likely. Mostly cloudy, with a high near 38.
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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:
8:27 pm AKDT Mar 19, 2026
Forecast Valid:
12am AKDT Mar 20, 2026-6pm AKDT Mar 26, 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