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.

A Few Clouds

12°F

-11°C

Humidity 92%
Wind Speed Calm
Barometer 29.65 in (1004.5 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 4 Jan 5:56 pm AKST
Extended Forecast for

6 Miles SSW Devils Thumb 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: Snow showers likely between 9pm and 3am, then snow after 3am. Temperature rising to around 16 by 5am. Northeast wind 5 to 10 mph becoming south 10 to 15 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

    Low: 3 °F⇑

    Chance Snow
    Showers then
    Snow

  • Monday

    Monday: Snow before 3pm, then snow showers after 3pm. The snow could be heavy at times. Areas of blowing snow. High near 24. Southeast wind 35 to 45 mph decreasing to 25 to 35 mph. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

    High: 24 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Snow showers. The snow could be heavy at times. Areas of blowing snow before 3am. Low around 23. Southwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 18 inches possible.

    Low: 23 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Tuesday

    Tuesday: Snow showers. The snow could be heavy at times. High near 27. Southwest wind around 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.

    High: 27 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow showers. Low around 22. South wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    Low: 22 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 26. Chance of precipitation is 100%.

    High: 26 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 16. Chance of precipitation is 90%.

    Low: 16 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers likely. Cloudy, with a high near 20.

    High: 20 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers. Cloudy, with a low around 14.

    Low: 14 °F

    Snow Showers

Detailed Forecast

Tonight
Snow showers likely between 9pm and 3am, then snow after 3am. Temperature rising to around 16 by 5am. Northeast wind 5 to 10 mph becoming south 10 to 15 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Monday
Snow before 3pm, then snow showers after 3pm. The snow could be heavy at times. Areas of blowing snow. High near 24. Southeast wind 35 to 45 mph decreasing to 25 to 35 mph. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.
Monday Night
Snow showers. The snow could be heavy at times. Areas of blowing snow before 3am. Low around 23. Southwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 18 inches possible.
Tuesday
Snow showers. The snow could be heavy at times. High near 27. Southwest wind around 20 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.
Tuesday Night
Snow showers. Low around 22. South wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Wednesday
Snow showers. High near 26. Chance of precipitation is 100%.
Wednesday Night
Snow showers. Low around 16. Chance of precipitation is 90%.
Thursday
Snow showers likely. Cloudy, with a high near 20.
Thursday Night
Snow showers. Cloudy, with a low around 14.
Friday
Snow showers. The snow could be heavy at times. Cloudy, with a high near 30.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 26.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 33.
Saturday Night
Snow. Cloudy, with a low around 26.
Sunday
Snow. Cloudy, with a high near 33.
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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:
5:14 pm AKST Jan 4, 2026
Forecast Valid:
6pm 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