Emmonak, Alaska Weather Forecast Discussion

498
FXAK69 PAFG 222320
AFDAFG
Northern Alaska Forecast Discussion
National Weather Service Fairbanks AK
320 PM AKDT Mon Sep 22 2025
.SYNOPSIS...
Cooler and unsettled weather is expected through much of the
upcoming week across Northern Alaska. Cloudy conditions will
continue across the Interior as a trough working east continues to
support isolated to scattered rain and snow showers across the
Interior, Alaska/Brooks Ranges, and North Slope. Light
accumulating snow will remain confined to the higher elevations
and mountain passes, with warmer ground temperatures in the
valleys limiting any accumulation. Generally cool and mostly dry
conditions continue for the West Coast and Western Interior with
increased chances of precipitation for Thursday and Friday.
Confidence in the forecast past Thursday decreases, but overall
low impact weather is expected to continue through the weekend as
isolated to scattered showers and cooler temperatures persist.
&&
.KEY WEATHER MESSAGES...
Central and Eastern Interior...
- Isolated to scattered showers through the first half of the
  week, with snow levels dropping Monday and Tuesday to support a
  mix of rain and snow showers in the valleys.
- Light snow accumulations through Tuesday around a T-3" will
  remain confined to the higher elevations and mountain passes,
  with warmer ground temperatures in the valleys limiting any
  accumulation.
- Cooler temperatures through Tuesday with highs in the mid 40s
  for most valley locations, turning warmer again Wednesday back
  into the upper 40s to lower 50s.
- Lows reach near to below freezing Monday and Tuesday
  nights, supporting more widespread frost/freeze conditions,
  including a potential first freeze at Fairbanks International
  Airport.
- Southerly winds increase through Alaska Range Passes
  Tuesday evening through Wednesday morning with gusts peaking
  around 45 mph early Wednesday morning.
West Coast and Western Interior...
- Temperatures cool today and stay cool with highs in the low to
  mid 40s throughout the week.
- Overall dry conditions continue through the first half of the
  week outside of isolated rain showers.
- Rain chances steadily increase for Thursday and Friday as a
  system moves in from the northwest, supporting possible snow in
  the hills and mountains.
North Slope and Brooks Range...
- Isolated to scattered rain/mostly snow showers through the
  first half of the week, with snow accumulations around a T-3".
  Highest totals expected along the Western Arctic Coast and
  Central/Eastern Brooks Range, including Atigun Pass.
- Isolated showers continue through the rest of the week,
  favoring the Western Arctic Coast and Brooks Range.
- Highs in the mid to upper 30s along the Arctic Coast, 20s to
  low 30s in the Brooks Range.
&&
.FORECAST ANALYSIS AND DISCUSSION...Today through Thursday.
Early afternoon satellite imagery shows a upper level trough
working east across Northern Alaska, guided by a larger low in the
Arctic Ocean. This system is continuing to pull in cooler air out
of the north, in addition to supporting isolated to scattered
rain and snow showers across the Interior, Alaska/Brooks Ranges,
and North Slope. As this is happening, a low at the base of the
overall troughing pattern in the Gulf of Alaska also moves east
and allows some moisture to wrap around the Alaska Range into the
Eastern Interior. Light accumulating snow around a T-3" through
Tuesday will remain confined to the higher elevations and mountain
passes, with warmer ground temperatures in the valleys limiting
any accumulation. As this trough shifts east tonight into Tuesday,
progressively drier and warmer conditions build in out of the
west as a weak transitory ridge of high pressure builds in for
Wednesday, marking the warmest day for the rest of the week across
the Interior.
Further west, another low in the Bering Sea will continue to work
southeast into the Gulf of Alaska Tuesday into Wednesday as a
secondary low builds in right behind out of Eastern Russia.
Through midweek, conditions will remain mostly dry across the West
Coast outside of Southwest Alaska. At the same time that these
systems makes their progression southeast through the Aleutians
down into the Gulf, yet another low building out of eastern Russia
will begin shifting southeast for Thursday into Friday. This
series of systems in a broad upper level troughing pattern will
support increased precipitation chances Thursday across the
Interior and Western Alaska as cooler temperatures return,
following a brief warmup for the Interior on Wednesday.
&&
.HYDROLOGY...
No concerns at this time.
&&
.EXTENDED FORECAST DAYS 4-7...Friday through next Monday.
Cool and unsettled weather will continue across Northern Alaska
through the extended forecast period, as a series of lows and a
broad upper level troughing pattern work to support a mix of rain
and snow showers region wide along with cooler temperatures into
early next week. Given these progressively cooler conditions, we
will see increasing chances for snow in the valleys as is par for
the course this time of year, especially during the overnight and
early morning hours. Model guidance continues to vary on the
specifics of each one of these systems this far out, but light
overall totals continue to be expected amongst ensemble means.
Coastal Hazard Potential Days 3 and 4...None
&&
.AFG WATCHES/WARNINGS/ADVISORIES...
AK...None.
PK...None.
&&
$$
MacKay

NWS AFG Office Area Forecast Discussion