Juneau, Alaska Weather Conditions

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Current Conditions

  • 60°
  • Light Rain
  • Wind: East 5 mph
  • Humidity: 75%
  • Visibility: 10.0 miles
  • Dew Point: 52°
  • Pressure: 29.90 in. -

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Next 12 Hours

7  pm
10  pm
1  am
4  am
7  am
Rain Showers
Rain Showers
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Rain Showers
Chance of Rain
Chance of Rain
Chance of Rain
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57°
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50°
54°
52°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Thursday
  • Chance of Rain
  • High: 63 °
  • Low: 50 °
  • Chance of Rain
  • Friday
  • Rain
  • High: 57 °
  • Low: 48 °
  • Rain
  • Saturday
  • Chance of Rain
  • High: 61 °
  • Low: 50 °
  • Chance of Rain
  • Sunday
  • Chance of Rain
  • High: 63 °
  • Low: 45 °
  • Chance of Rain
  • Monday
  • Chance of Rain
  • High: 63 °
  • Low: 50 °
  • Chance of Rain

Forecast for Juneau, Alaska

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

  • Thursday

    Overcast with a chance of rain. High of 63F. Winds less than 5 mph. Chance of rain 80%.

  • Thursday Night

    Overcast with rain showers, then a chance of rain after midnight. Low of 50F. Winds from the SE at 5 to 10 mph. Chance of rain 50%.

  • Friday

    Overcast with a chance of rain, then rain in the afternoon. High of 57F. Winds less than 5 mph. Chance of rain 90% with rainfall amounts near 0.3 in. possible.

  • Friday Night

    Overcast with rain. Low of 48F. Winds less than 5 mph. Chance of rain 90% with rainfall amounts near 0.4 in. possible.

  • Saturday

    Overcast with a chance of rain. High of 61F. Winds from the SE at 5 to 10 mph. Chance of rain 70%.

  • Saturday Night

    Overcast with a chance of rain. Low of 50F. Winds less than 5 mph. Chance of rain 50%.

  • Sunday

    Overcast with a chance of rain. High of 63F. Winds from the SSE at 5 to 10 mph. Chance of rain 40%.

  • Sunday Night

    Overcast with a chance of rain. Low of 45F. Winds less than 5 mph.

  • Monday

    Overcast with a chance of rain. High of 63F. Winds less than 5 mph. Chance of rain 50%.

  • Monday Night

    Overcast with a chance of rain. Low of 50F. Winds less than 5 mph. Chance of rain 20%.

  • Tuesday

    Overcast with a chance of rain. High of 64F. Winds less than 5 mph. Chance of rain 40%.

  • Tuesday Night

    Overcast with a chance of rain. Low of 50F. Winds from the ESE at 5 to 10 mph. Chance of rain 40%.

  • Wednesday

    Partly cloudy. High of 66F. Winds less than 5 mph.

  • Wednesday Night

    Mostly cloudy. Low of 43F. Winds less than 5 mph.

  • Thursday

    Partly cloudy. High of 66F. Winds less than 5 mph.

  • Thursday Night

    Partly cloudy. Low of 41F. Winds less than 5 mph.

  • Friday

    Partly cloudy. High of 64F. Winds less than 5 mph.

  • Friday Night

    Clear. Low of 46F. Winds less than 5 mph.

  • Saturday

    Partly cloudy. High of 64F. Winds less than 5 mph.

  • Saturday Night

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

  • Sunday

    Partly cloudy. High of 64F. Winds less than 5 mph.

  • Sunday Night

    Mostly cloudy. Low of 46F. Winds less than 5 mph.

  • Monday

    Clear. High of 63F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: MISC Lemon Creek (Juneau), AK FAA, Juneau, AK

Updated: 4:50 PM AKDT

Temperature: 60 °F Dew Point: 57 °F Humidity: 89% Wind: SSE at 5 mph Pressure: - Hourly Precipitation: 0.00 in Graphs

Location: AKDOT North Douglas Highway MP 4, Juneau, AK

Updated: 4:55 PM AKDT

Temperature: 60 °F Dew Point: 47 °F Humidity: 62% Wind: ESE at 4 mph Pressure: - Hourly Precipitation: 0.00 in Graphs

Location: MISC North Douglas Island (Juneau), AK FAA, Juneau, AK

Updated: 4:56 PM AKDT

Temperature: 60 °F Dew Point: 55 °F Humidity: 83% Wind: ESE at 6 mph Pressure: - Hourly Precipitation: 0.00 in Graphs

Location: Dimond Park, Juneau, AK

Updated: 5:32 PM AKDT

Temperature: 60.3 °F Dew Point: 52 °F Humidity: 75% Wind: Calm Pressure: 29.72 in Hourly Precipitation: - Graphs

Location: MISC NWS Office, Juneau, AK FAA, Juneau, AK

Updated: 5:00 PM AKDT

Temperature: 56 °F Dew Point: 48 °F Humidity: 74% Wind: NNE at 1 mph Pressure: - Hourly Precipitation: 0.00 in Graphs

Location: AKDOT Glacier Highway/Egan Drive @ MP 3, Juneau, AK

Updated: 5:00 PM AKDT

Temperature: 59 °F Dew Point: 48 °F Humidity: 66% Wind: East at 6 mph Pressure: - Hourly Precipitation: 0.00 in Graphs

Location: Auke Bay, Juneau, AK

Updated: 5:32 PM AKDT

Temperature: 57.1 °F Dew Point: 55 °F Humidity: 93% Wind: Calm Pressure: 29.82 in Hourly Precipitation: 0.00 in Graphs

Location: West Juneau, Juneau, AK

Updated: 5:30 PM AKDT

Temperature: 60.5 °F Dew Point: 54 °F Humidity: 80% Wind: Calm Pressure: 29.88 in Hourly Precipitation: 0.00 in Graphs

Location: Blueberry Hills, Juneau, AK

Updated: 5:32 PM AKDT

Temperature: 57.8 °F Dew Point: 52 °F Humidity: 80% Wind: ENE at 3.0 mph Pressure: 29.92 in Hourly Precipitation: 0.00 in Graphs

Location: AKDOT Thane Road Snow Slide Gulch @ MP 1.9, Juneau, AK

Updated: 4:56 PM AKDT

Temperature: 57 °F Dew Point: 52 °F Humidity: 83% Wind: SE at 4 mph Pressure: - Hourly Precipitation: 0.00 in Graphs

Location: South Lena Point, Juneau, AK

Updated: 5:33 PM AKDT

Temperature: 58.3 °F Dew Point: 55 °F Humidity: 89% Wind: Calm Pressure: 30.86 in Hourly Precipitation: 0.00 in Graphs

Location: AKDOT Glacier Highway @ Cohen Drive MP 21, Auke Bay, AK

Updated: 4:43 PM AKDT

Temperature: 56 °F Dew Point: 55 °F Humidity: 94% Wind: Calm Pressure: - Hourly Precipitation: 0.01 in Graphs

Location: 25 mi. Happy Dog Sub., Juneau, AK

Updated: 5:29 PM AKDT

Temperature: 58.7 °F Dew Point: 54 °F Humidity: 85% Wind: Calm Pressure: 29.52 in Hourly Precipitation: 0.01 in Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Southeast Alaska forecast discussion 
National Weather Service Juneau Alaska 
346 PM akdt Thursday Jul 24 2014 


Short term...a somewhat aimless longwave cut-off low over the 
Gulf of Alaska that was responsible for some frontal rains this 
morning and some showers this afternoon over the Panhandle is 
primed for some excitement tonight as a shortwave energy bursts 
south across the katmai. This energy will deepen the 
trough...farther enough into the North Pacific to tap some 
subtropical moisture. This will begin rounding The Bend northward 
into the Panhandle starting Friday and continue into the weekend. 
The shortwave will develop a surface low west of haida gwaii late 
Thursday night that will drive a front into the southern 
Panhandle into Friday. 


First precipitation...rain that has fallen over the area has been 
spotty and somewhat intense in nature. I should add that the 
ecmwf's treatment for Yakutat as wet turned out to be more correct 
than the much drier GFS and NAM. Thus the convection called for 
today worked out fairly well. This cold pool associated with the 
low over the Gulf will support showers through tonight and will 
only transition into more steady rains beginning Friday morning 
for the southern Panhandle before extending as far north as Lynn 
Canal by the afternoon. NAM soundings suggest that areas closest 
to the core of the upper low may stay a little more unstable, with 
a southerly 850 jet spreading northward, it was hard to turn 
against the conceptual paradigm of pre-frontal stratiform...so 
just painted everything as rain for Friday afternoon southwest of 
Yakutat. 


Winds...no big worries except for the strength of the southerlies 
rising in the south Friday morning. Small crafts for southern 
passages looked good. Did continue the trend of boosting winds for 
blowholes like Hydaburg and added some gusty language for southern 
Baranof. Partner on our desk today noticed the WRF had correctly predicted 
the gustiness in Sitka today. WRF...we missed you during your 
absence. Always a little sketchy on strength and even direction of 
winds where surface gradient runs counter to winds aloft. Kind of 
took an average of strong southerlies and weak northerlies to 
arrive at weak southerlies for Stephens Passage/northern Chatham. 


No big Hydro issues expected in the short-term. But as in a lot 
of situations the rainfall amounts have been on the heavier side 
of prediction with some of these showers. GFS/Gem still seem a 
little heavier than 12z NAM and European model (ecmwf). Covered bases and used a 
blend of both. 


Employed NAM/European model (ecmwf) for press/winds. Replaced NAM with sref and 
added Gem/GFS for pop/qpf. Forecast confidence on good side of 
average. 


Long term...upper level low/trough will remain in the Gulf of 
Alaska through the forecast period due to a blocked pattern. This 
low will continue to send waves of energy over the Panhandle and 
make for a rather wet forecast. Challenge with these sort of 
systems is timing of the rain...as there will be breaks in 
between. Also each model places the waves of energy (vort maxes) 
differently which results in larger differences at the surface. 


Opted to use an ensemble approach to the forecast which made for 
only minor changes. Biggest adjustment was to flip many of the 
inside waters directions to southerly. As mentioned in the short 
term section...flow at all levels around the Gulf low will be 
S-southeasterly over the Panhandle. The surface pressure gradient in many 
cases would suggest a light north wind while the flow aloft would 
support southerly. Opted to go for the geostrophic southerly 
flow...however there are some time frames where the north winds 
will win out...ie like when the low center is slightly more to 
the south or when there is a light diurnal shift to north in the 
early morning hours. 


Continued with the smaller diurnal temperature range under the 
cloudy/rainy conditions with lows in the lower 50s and highs in 
the upper 50s. MOS guidance would suggest highs in the lower 60s each 
day...but there tends to be a warm bias with the MOS in these 
conditions. Forecast confidence on wet is above average...but 
lower on timing of each band of precipitation moving in/out. 


&& 


Ajk watches/warnings/advisories... 
public...none. 
Marine...Small Craft Advisory for pkz012-033-035-036-041-042. 




$$ 


Jwa/Ferrin 



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