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.

Overcast

18°F

-8°C

Humidity 88%
Wind Speed W 6 mph
Barometer 29.66 in (1004.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 4 Jan 11:56 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

  • Overnight

    Overnight: A chance of snow showers before 3am, then snow after 3am. Low around 15. Southeast wind 5 to 15 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 15 °F

    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, then snow likely after 3am. Low around 23. Chance of precipitation is 90%.

    Low: 23 °F

    Snow Showers

  • Thursday

    Thursday: Snow likely, mainly before 3pm. Cloudy, with a high near 29.

    High: 29 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow before 9pm, then rain and snow. Cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow

Detailed Forecast

Overnight
A chance of snow showers before 3am, then snow after 3am. Low around 15. Southeast wind 5 to 15 mph. 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, then snow likely after 3am. Low around 23. Chance of precipitation is 90%.
Thursday
Snow likely, mainly before 3pm. Cloudy, with a high near 29.
Thursday Night
A chance of snow before 9pm, then rain and snow. Cloudy, with a low around 27.
Friday
Rain and snow, becoming all rain after 9am. Cloudy, with a high near 39.
Friday Night
Rain. Cloudy, with a low around 34.
Saturday
Rain. Cloudy, with a high near 40.
Saturday Night
Rain. Cloudy, with a low around 34.
Sunday
Rain. Cloudy, with a high near 40.
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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:
9:32 pm AKST Jan 4, 2026
Forecast Valid:
12am AKST Jan 5, 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