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

21 Miles S 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 11 by 5am. North wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 1 °F⇑

    Chance Snow
    Showers then
    Snow

  • Monday

    Monday: Snow before 3pm, then snow showers after 3pm. The snow could be heavy at times. High near 22. Southeast wind 15 to 25 mph. Chance of precipitation is 100%. New snow accumulation of 26 to 32 inches possible.

    High: 22 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow showers. The snow could be heavy at times. Low around 21. Southwest wind around 20 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.

    Low: 21 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow showers. The snow could be heavy at times. High near 24. Southwest wind 15 to 20 mph. Chance of precipitation is 100%.

    High: 24 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow showers. Low around 21. Southwest wind around 15 mph. Chance of precipitation is 100%.

    Low: 21 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 25. Chance of precipitation is 100%.

    High: 25 °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 18.

    High: 18 °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 11 by 5am. North wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow before 3pm, then snow showers after 3pm. The snow could be heavy at times. High near 22. Southeast wind 15 to 25 mph. Chance of precipitation is 100%. New snow accumulation of 26 to 32 inches possible.
Monday Night
Snow showers. The snow could be heavy at times. Low around 21. Southwest wind around 20 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
Tuesday
Snow showers. The snow could be heavy at times. High near 24. Southwest wind 15 to 20 mph. Chance of precipitation is 100%.
Tuesday Night
Snow showers. Low around 21. Southwest wind around 15 mph. Chance of precipitation is 100%.
Wednesday
Snow showers. High near 25. 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 18.
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 26.
Friday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 24.
Saturday
Snow. The snow could be heavy at times. Cloudy, with a high near 29.
Saturday Night
Snow. Cloudy, with a low around 25.
Sunday
Snow. Cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Devils Thumb AK
 56.88°N 132.25°W (Elev. 4613 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