Petersburg, Alaska Weather Conditions

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Current Conditions

  • 43°
  • Mostly Cloudy
  • Wind: Calm
  • Humidity: 87%
  • Visibility: 10.0 miles
  • Dew Point: 39°
  • Pressure: 29.85 in. 0

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Next 12 Hours

7  pm
10  pm
1  am
4  am
7  am
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Chance of Rain
Chance of Rain
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
45°
43°
39°
45°
41°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Partly Cloudy
  • High: 48 °
  • Low: 36 °
  • Partly Cloudy
  • Sunday
  • Partly Cloudy
  • High: 48 °
  • Low: 36 °
  • Partly Cloudy
  • Monday
  • Partly Cloudy
  • High: 46 °
  • Low: 30 °
  • Partly Cloudy
  • Tuesday
  • Partly Cloudy
  • High: 43 °
  • Low: 28 °
  • Partly Cloudy
  • Wednesday
  • Chance of Rain
  • High: 45 °
  • Low: 34 °
  • Chance of Rain

Forecast for Petersburg, Alaska

Updated: 7:00 PM AKDT on October 24, 2014

  • Friday

    Overcast with rain showers, then a chance of rain in the afternoon. Fog early. High of 50F. Winds from the East at 5 to 15 mph. Chance of rain 70%.

  • Friday Night

    Mostly cloudy with rain showers, then a chance of rain after midnight. Low of 37F. Winds from the East at 5 to 20 mph. Chance of rain 40%.

  • Saturday

    Partly cloudy. High of 48F. Winds from the NE at 5 to 10 mph.

  • Saturday Night

    Clear. Low of 36F. Winds from the NE at 5 to 10 mph.

  • Sunday

    Clear in the morning, then mostly cloudy. High of 48F. Winds less than 5 mph.

  • Sunday Night

    Mostly cloudy with a chance of rain. Fog overnight. Low of 36F. Winds less than 5 mph. Chance of rain 50%.

  • Monday

    Partly cloudy. High of 46F. Winds less than 5 mph.

  • Monday Night

    Clear. Low of 30F with a windchill as low as 23F. Winds from the NE at 5 to 10 mph.

  • Tuesday

    Partly cloudy in the morning, then overcast. High of 43F. Winds from the NE at 5 to 10 mph.

  • Tuesday Night

    Clear. Low of 28F with a windchill as low as 21F. Winds from the ENE at 5 to 10 mph.

  • Wednesday

    Mostly cloudy with a chance of rain. High of 45F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.

  • Wednesday Night

    Mostly cloudy with a chance of rain. Low of 34F. Winds from the ENE at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.2 in. possible.

  • Thursday

    Overcast with a chance of rain. High of 45F. Winds from the ENE at 5 to 10 mph. Chance of rain 40%.

  • Thursday Night

    Partly cloudy. Low of 34F with a windchill as low as 28F. Winds from the ENE at 5 to 10 mph.

  • Friday

    Partly cloudy. High of 45F. Winds from the NE at 5 to 10 mph.

  • Friday Night

    Mostly cloudy with a chance of rain. Low of 30F with a windchill as low as 23F. Winds from the ENE at 5 to 10 mph. Chance of rain 20%.

  • Saturday

    Overcast with a chance of rain. High of 46F. Winds from the East at 5 to 10 mph. Chance of rain 40%.

  • Saturday Night

    Overcast with a chance of rain. Low of 36F. Winds from the East at 5 to 10 mph. Chance of rain 50%.

  • Sunday

    Overcast with a chance of rain. High of 46F. Winds from the ESE at 5 to 10 mph. Chance of rain 40%.

  • Sunday Night

    Mostly cloudy with a chance of rain. Low of 34F. Winds from the ESE at 5 to 10 mph. Chance of rain 20%.

  • Monday

    Mostly cloudy with a chance of rain. High of 46F. Winds from the ESE at 5 to 10 mph. Chance of rain 20%.

  • Monday Night

    Mostly cloudy with a chance of rain. Low of 34F. Winds from the ESE at 5 to 10 mph. Chance of rain 40%.

  • Tuesday

    Clear. High of 46F. Winds from the ESE at 5 to 10 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: RAWS KAKE AK US, Kake, AK

Updated: 6:55 PM AKDT

Temperature: 42 °F Dew Point: 42 °F Humidity: 99% Wind: NNE at 2 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: Papke's Landing, Petersburg, AK

Updated: 8:03 PM AKDT

Temperature: 43.2 °F Dew Point: 43 °F Humidity: 98% Wind: Calm Pressure: 29.94 in Hourly Precipitation: - Windchill: 43 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Southeast Alaska forecast discussion 
National Weather Service Juneau Alaska 
337 PM akdt Friday Oct 24 2014 


Short term...a low about 150 nm west of haida gwaii will slowly 
weaken and begin to drift southeast Sat. A trough will extend northwest from the 
low into the eastern Gulf...but gradually weaken through Sat. Used 
the 12z NAM for the tonight and Sat periods as it had a good 
handle on the main features. 


Main forecast issues will be precipitation potential...winds...and fog 
potential. Right now a band of showers is over the central 
Panhandle...with more scattered showers to the S. Also...a narrow 
band of showers is forming near paya. The band of showers over the 
Central Area will drift north-northwest tonight...eventually moving offshore 
and north of the main part of the Panhandle Sat. The small band of 
showers developing near paya will remain there this evening then 
diminish somewhat later tonight. The scattered showers over the 
southern half of the area will diminish over all but the far southern and 
adjacent coastal areas tonight. Increasing northerly flow will dry 
things out over much of the Panhandle during the day Sat...but 
some showers will remain over the eastern Gulf/NE Gulf Coast areas. 


As for winds...strongest winds are over the southeast Gulf and southern Inner 
Channels. They have southeast 20-30 knots winds right now...and these winds 
will slowly subside tonight. Winds will probably drop below Small Craft Advisory 
levels over the southeast Gulf by Sat morning...and by late tonight over 
the southern Inner Channels. Also have around 20 knots of east-NE wind through 
Cross Sound and western Icy Strait...and this will slowly diminish Sat. 
The more north-S channel winds over the northern half of the area will 
slowly pick up tonight as gradient orientation becomes more 
favorable for those channels...but do not expect more than 20 knots 
there. Finally...looks like a narrow band of east-southeast 15-20 knots winds from 
the paya area westward over the northern Gulf. This band will slowly 
diminish through Sat. 


As for fog potential...increasing breaks in the clouds will allow 
for some fog to form over the eastern Inner Channels tonight in wind 
sheltered areas. Density of the fog will be highly variable 
though due to nearby winds aloft. If the depth of light winds was 
deeper and more widespread...would be a decent dense fog event. 
The fog should dissipate Sat morning. 


Otherwise...clouds will be decreasing over the eastern areas Sat as 
increasing offshore flow develops. This will allow temperatures to rise a 
few degrees higher Sat than they were today. 


Long term...drier than normal conditions will continue through 
next week. 


The start of the long term forecast period will feature a weak 
trough over the northeast Gulf. This means pretty tranquil weather 
over the Panhandle for Saturday night. Expect scattered showers to 
become isolated with decreasing sky cover through the night. On 
Sunday an upper level disturbance will move across the northeast 
Gulf into the northern Panhandle. This will create mostly cloudy 
skies and light rain showers across the area through Sunday night. 


On the back side of this upper level disturbance, a sharp but 
skinny ridge of high pressure will build into the area on Monday. 
At the same time, the remnant of Tropical Storm Ana will head east 
towards Vancouver Island. The combination of these weather systems 
will create a northerly pressure gradient. With northeasterly 
flow, do expect dry conditions across the northern Panhandle. 
There will still be some lingering showers over the extreme 
southern Panhandle from the outer fringes of former Tropical Storm 
Ana. 


Beyond next Monday, the weather pattern remains slow to change. 
There will be higher pressure over the interior, with lower 
pressure over the Gulf of Alaska. This pattern will feature 
generally northeast flow over the area, promoting drier than 
normal conditions. Temperatures should be fairly seasonable, with 
highs in the 40s, and lows in the low to middle 30s. For the northern 
areas, the overnight low temperatures will drop below 32 f for 
early next week. Snow will mix in for higher elevation locations 
and during the overnight and early morning hours. 


Forecast confidence is about average through the weekend into 
early next week. Forecast confidence then decreases to below 
average beyond that. Various weather models start to diverge in 
their solution starting early next week. They agree that there 
will be a general area of low pressure in the Gulf of Alaska. 
However, they are struggling to provide the details such as the 
individual disturbances moving up towards the Panhandle. These 
disturbances will lead to significant differences in wind and 
precipitation. 


&& 


Ajk watches/warnings/advisories... 
public...none. 
Marine...Small Craft Advisory for pkz033-035-036-041-042. 
Small Craft Advisory due to seas for pkz043. 


&& 


$$ 


Rwt/rcl 


Visit US at http://www.Weather.Gov/Juneau 



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