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FNAK53 PAFG 211357
FWFAFG

Fire Weather Planning Forecast for Interior Alaska
National Weather Service Fairbanks, AK
557 AM AKDT Mon Sep 21 2026

.DISCUSSION...
Key Messages...

- Isolated to scattered rain and high elevation snow showers will
  continue to lift over the Alaska Range today into Tuesday.
  Highest CWRs will remain focused northwest of a line from Dot
  Lake to Eagle, with light precipitation southeast of there.

- With sufficient daytime heating and marginal afternoon
  instability today, look for a 5-10% chance of thunderstorms
  this afternoon and evening.

- Highs today will be in the low to mid 50s, with overnight lows
  tonight in the mid 20s to low 30s. Flurries will be possible
  across lower elevations.

- MinRHs will stay in the 50-60% range as winds remain light and
  variable through Wednesday.

AKZ935-220800-
Fortymile Country-
Including the cities of Eagle, Chicken,
and the Taylor Highway north of MP 9
557 AM AKDT Mon Sep 21 2026

.Above 3000 ft...
                      Today        Tonight      Tue

Cloud Cover           Mcldy (90%)  Mcldy (90%)  Mcldy (80%)
Precip Type           Snow/Rain    Snow/Rain    Snow/Rain
Chance Precip (%)     90           80           60
CWR                   50           50           20
CWR25                 10           10           0
Chance of Thunder (%) None (5)     None (0)     None (0)
Temp (24h trend)      45 (+4)      28 (-4)      42
RH % (24h trend)      79 (-6)      100 (0)      63
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   SW 3-7       Lgt/Var      Lgt/Var
Mixing Hgt(ft-agl)    1900         400          2200
Transport Wnd (mph)   S  9         W  9         W  9
Vent Rate (mph-ft)    17100        3600         19800

Remarks...None.

.Below 3000 ft...
                      Today        Tonight      Tue

Cloud Cover           Mcldy (90%)  Mcldy (90%)  Mcldy (80%)
Precip Type           Snow/Rain    Snow/Rain    Snow/Rain
Chance Precip (%)     80           80           70
CWR                   50           60           30
CWR25                 10           10           0
Chance of Thunder (%) None (5)     None (0)     None (0)
Temp (24h trend)      49 (+3)      30 (-4)      46
RH % (24h trend)      69 (-10)     100 (0)      57
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Mixing Hgt(ft-agl)    2100         400          2400
Transport Wnd (mph)   S  8         W  6         W  7
Vent Rate (mph-ft)    16800        2400         16800

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY...Mostly cloudy. Lows in the upper 20s. Highs in the
lower 40s. Light winds.
.THURSDAY...Mostly cloudy. Lows in the upper 20s. Highs in the
upper 40s. East winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the upper 20s. Highs around 50.
East winds around 5 mph.

$$

AKZ936-220800-
Upper Tanana Valley-
Including the cities of Tok, Tanacross, Tetlin, Northway, Alcan,
the Alaska Highway east of MP 1392,
the Taylor Highway south of MP 9,
and the Tok Cutoff north of MP 105
557 AM AKDT Mon Sep 21 2026

.East of Tanacross...
                      Today        Tonight      Tue

Cloud Cover           Mcldy (70%)  Pcldy (60%)  Pcldy (60%)
Precip Type           Snow/Rain    Snow/Rain    None
Chance Precip (%)     50           20           0
CWR                   10           10           0
CWR25                 0            0            0
Chance of Thunder (%) None (5)     None (0)     None (0)
Temp (24h trend)      53 (+5)      28 (-6)      50
RH % (24h trend)      51 (-12)     99 (+5)      51
Wind 20ft/early(mph)  Lgt/Var      W 3-7 G19    Lgt/Var
Wind 20ft/late(mph)   SW 3-7 G23   Lgt/Var      Lgt/Var
Mixing Hgt(ft-agl)    2400         400          2700
Transport Wnd (mph)   S  9         SW  6        NW  7
Vent Rate (mph-ft)    21600        2400         18900

Remarks...None.

.West of Tanacross...
                      Today        Tonight      Tue

Cloud Cover           Mcldy (90%)  Mcldy (90%)  Mcldy (90%)
Precip Type           Snow/Rain    Snow/Rain    Snow/Rain
Chance Precip (%)     90           80           40
CWR                   40           40           10
CWR25                 10           10           0
Chance of Thunder (%) None (5)     None (0)     None (0)
Temp (24h trend)      47 (-1)      27 (-8)      44
RH % (24h trend)      71 (+3)      100 (0)      63
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Mixing Hgt(ft-agl)    1800         600          2100
Transport Wnd (mph)   S  5         W  6         NW  8
Vent Rate (mph-ft)    9000         3600         16800

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY...Mostly cloudy. Lows in the upper 20s. Highs in the
mid 40s. West winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the upper 20s. Highs around
50. East winds around 5 mph.
.FRIDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 40s. East winds around 5 mph.

$$

MacKay