News Headlines
- Got a new NOAA Weather Radio to receive warnings for the next Mendenhall Flood? Here are instructions for how to set it up to make sure you get the alerts!
- A warming trend is expected through the week with highs by Wednesday in the mid to upper 70s. Some low 80s possible, especially Thursday and Friday. Winds will remain on the weaker side, though afternoon sea breezes may increase toward end of week.
- To view the latest marine and land weather forecast graphics for southeast Alaska, click here...
- Click here to visit the Suicide Basin monitoring page. You can use this page for updates throughout the GLOF season to see what the condition are within the basin.
Current conditions at
Petersburg (PAPG)
Lat: 56.8°NLon: 132.95°WElev: 71ft.
Overcast
55°F
13°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.18 in (1022.1 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 11 Aug 4:56 am AKDT |
Extended Forecast for
12 Miles WSW Devils Thumb AK
Overnight

Low: 41 °F
Slight Chance
DrizzleTuesday

High: 45 °F
Slight Chance
DrizzleTuesday Night

Low: 39 °F
Mostly Clear
Wednesday

High: 47 °F
Sunny
Wednesday Night

Low: 42 °F
Mostly Clear
Thursday

High: 51 °F
Sunny
Thursday Night

Low: 44 °F
Mostly Clear
Friday

High: 51 °F
Sunny
Friday Night

Low: 44 °F
Mostly Clear
Detailed Forecast
Overnight
A slight chance of drizzle. Mostly cloudy, with a low around 41. Northeast wind around 5 mph.
Tuesday
A slight chance of drizzle. Mostly cloudy, with a high near 45. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 39. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 47. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 42. Northeast wind 10 to 15 mph.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
A chance of showers. Mostly cloudy, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
12 Miles WSW Devils Thumb AK
57.11°N 132.62°W (Elev. 4862 ft)
57.11°N 132.62°W (Elev. 4862 ft)
5:01 am AKDT Aug 11, 2026
5am AKDT Aug 11, 2026-6pm AKDT Aug 17, 2026


