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

ALERT: WINTER STORM WARNINGS AND ADVISORIES IN EFFECT THROUGH MONDAY FOR SOUTHEAST ALASKA.

More heavy snow is expected for Southeast Alaska by Monday as another strong front enters the region. Now is the time to complete any snow removal mitigation efforts to protect property ahead of the next snow storm. Stay tuned to weather.gov/juneau for the latest updates on this developing weather situation. Read More >

Hazardous Weather Conditions

Current conditions at

Petersburg (PAPG)

Lat: 56.8°NLon: 132.95°WElev: 71ft.

Partly Cloudy

15°F

-9°C

Humidity 91%
Wind Speed Calm
Barometer 29.64 in (1004.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 4 Jan 4:56 pm AKST
Extended Forecast for

Petersburg AK

Winter Storm Warning January 5, 06:00am until January 5, 06:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A chance of snow showers between 9pm and 3am, then snow after 3am. Temperature rising to around 24 by 5am. South wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 15 °F⇑

    Chance Snow
    Showers then
    Snow

  • Monday

    Monday: Snow before noon, then rain and snow between noon and 3pm, then rain and snow showers after 3pm. The rain and snow could be heavy at times. Areas of blowing snow between 9am and noon. High near 34. Southeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 5 to 8 inches possible.

    High: 34 °F

    Snow and
    Areas Blowing
    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow showers. Low around 30. Southeast wind around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow showers. High near 34. Southeast wind around 5 mph. Chance of precipitation is 100%.

    High: 34 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow showers. Low around 30. Southeast wind around 5 mph. Chance of precipitation is 100%.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers, becoming all snow after 9am. High near 35. Chance of precipitation is 100%.

    High: 35 °F

    Rain/Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 3am. Low around 23. Chance of precipitation is 90%.

    Low: 23 °F

    Snow Showers
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers likely, mainly after 9am. Mostly cloudy, with a high near 30.

    High: 30 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers. Cloudy, with a low around 24.

    Low: 24 °F

    Snow Showers

Detailed Forecast

Tonight
A chance of snow showers between 9pm and 3am, then snow after 3am. Temperature rising to around 24 by 5am. South wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Monday
Snow before noon, then rain and snow between noon and 3pm, then rain and snow showers after 3pm. The rain and snow could be heavy at times. Areas of blowing snow between 9am and noon. High near 34. Southeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 5 to 8 inches possible.
Monday Night
Rain and snow showers. Low around 30. Southeast wind around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Rain and snow showers. High near 34. Southeast wind around 5 mph. Chance of precipitation is 100%.
Tuesday Night
Rain and snow showers. Low around 30. Southeast wind around 5 mph. Chance of precipitation is 100%.
Wednesday
Rain and snow showers, becoming all snow after 9am. High near 35. Chance of precipitation is 100%.
Wednesday Night
Snow showers, mainly before 3am. Low around 23. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly after 9am. Mostly cloudy, with a high near 30.
Thursday Night
Snow showers. Cloudy, with a low around 24.
Friday
Snow showers before 9am, then rain and snow showers. Cloudy, with a high near 37.
Friday Night
Rain and snow. Cloudy, with a low around 31.
Saturday
Rain. Cloudy, with a high near 39.
Saturday Night
Rain. Cloudy, with a low around 33.
Sunday
Rain. Cloudy, with a high near 39.
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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:
5:14 pm AKST Jan 4, 2026
Forecast Valid:
5pm AKST Jan 4, 2026-6pm AKST Jan 11, 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