FNAK52 PAFC 181213 FWFALU FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST ALASKA NATIONAL WEATHER SERVICE ANCHORAGE AK 413 AM AKDT Mon May 18 2026 .DISCUSSION... Isolated to scattered showers are ongoing this morning with the passage of another wave of low pressure through Southwest Alaska. A second wave will move through the region later this evening into tonight, helping to maintain rain chances through Tuesday. A chance for isolated wet thunderstorms will exist this afternoon and evening, mainly across the northern tier of the Kuskokwim Valley, though highly conditional on where breaks in cloud cover can allow for building instability for storms. Southeasterly winds will strengthen later this evening into Tuesday morning with the passage of the second wave of low pressure. The strongest winds will spill spill out of the Kamishak Gap and span into the western Kuskokwim Valley. AKZ752-190230- KUSKOKWIM VALLEY WEST- INCLUDING...ANIAK...KALSKAG 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER MCLDY MCLDY MCLDY PRECIP TYPE TSTMS TSTMS SHWRS CHANCE PRECIP (%) 60 60 80 TEMP (24H TREND) 48-53 (+3) 36-39 (+1) 46-51 RH % (24H TREND) 43-56 (-6) 83-86 (-3) 45-56 20FTWND(MPH) SE 9-17 G25 SE 7-15 G24 S 13-20 MIXING HGT(FT-AGL) 4564 5508 TRANSPORT WND (MPH)SE 18 S 18 CWR 20 40 60 TSTM COVERAGE ISOLATED ISOLATED NONE VENT RATE (KT-FT) 82652 100533 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH. .THURSDAY...MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 15 MPH. .FRIDAY...MOSTLY CLOUDY. CHANCE OF showers. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH. $$ AKZ753-190230- KUSKOKWIM VALLEY EAST- INCLUDING...SLEETMUTE...CROOKED CREEK 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER MCLDY MCLDY MCLDY PRECIP TYPE TSTMS TSTMS SHWRS CHANCE PRECIP (%) 80 90 80 TEMP (24H TREND) 46-55 (+2) 34-37 (0) 45-54 RH % (24H TREND) 50-70 (+5) 88-95 (0) 47-61 20FTWND(MPH) SE 9-15 G24 SE 6-14 G22 S 15-19 G29 MIXING HGT(FT-AGL) 5419 6156 TRANSPORT WND (MPH)SE 17 S 21 CWR 60 70 70 TSTM COVERAGE ISOLATED ISOLATED NONE VENT RATE (KT-FT) 92389 102332 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. SOUTH WINDS AROUND 10 MPH. .THURSDAY...CLOUDY. SHOWERS WITH SNOW LIKELY. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH. .FRIDAY...MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH. $$ AKZ754-190230- LIME VILLAGE- INCLUDING...LIME VILLAGE 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER MCLDY MCLDY MCLDY PRECIP TYPE TSTMS TSTMS TSTMS CHANCE PRECIP (%) 70 40 60 TEMP (24H TREND) 51-56 (+5) 37-39 (+1) 49-54 RH % (24H TREND) 39-49 (+3) 68-81 (-9) 42-52 20FTWND(MPH) SE 8-16 G24 SE 6-15 G24 S 11-19 G28 MIXING HGT(FT-AGL) 5450 6965 TRANSPORT WND (MPH)S 17 S 20 CWR 10 10 30 TSTM COVERAGE ISOLATED ISOLATED ISOLATED VENT RATE (KT-FT) 95186 105249 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. SOUTHEAST WINDS AROUND 5 MPH. .THURSDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. SOUTHEAST WINDS AROUND 10 MPH. .FRIDAY...MOSTLY CLOUDY. CHANCE OF showers. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH. $$ AKZ764-190230- NORTHERN BRISTOL BAY COAST- INCLUDING...DILLINGHAM...MANOKOTAK...TOGIAK 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER MCLDY CLOUDY MCLDY PRECIP TYPE SHWRS RAIN SHWRS CHANCE PRECIP (%) 70 100 60 TEMP (24H TREND) 46-50 (+6) 32-34 (-1) 44-49 RH % (24H TREND) 56-71 (-12) 96-99 (0) 59-77 20FTWND(MPH) SE 7-13 G20 E 12-24 G36 S 8-13 MIXING HGT(FT-AGL) 3786 4935 TRANSPORT WND (MPH)SE 17 S 15 CWR 70 100 50 TSTM COVERAGE NONE NONE NONE VENT RATE (KT-FT) 69992 62401 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH. .THURSDAY...CLOUDY, SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTHEAST WINDS AROUND 20 MPH. .FRIDAY...CLOUDY. showers. LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 15 MPH. $$ AKZ765-190230- INLAND BRISTOL BAY- INCLUDING...NEW STUYAHOK...KOLIGANEK...ALEKNAGIK 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER CLOUDY CLOUDY MCLDY PRECIP TYPE SHWRS SHWRS SNOW/RAIN CHANCE PRECIP (%) 90 100 90 TEMP (24H TREND) 42-49 (+3) 32-34 (0) 42-48 RH % (24H TREND) 55-79 (-5) 91-96 (0) 58-72 20FTWND(MPH) SE 5-15 G24 SE 9-18 G31 S 9-20 G27 MIXING HGT(FT-AGL) 3994 4869 TRANSPORT WND (MPH)S 16 S 16 CWR 90 100 90 TSTM COVERAGE NONE NONE NONE VENT RATE (KT-FT) 77459 76212 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTHEAST WINDS AROUND 10 MPH. .THURSDAY...CLOUDY. SHOWERS AND SNOW. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTHEAST WINDS AROUND 15 MPH. .FRIDAY...CLOUDY. SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 15 MPH. $$ AKZ766-190230- LAKE ILIAMNA / NILA VENA / NANVARPAK- INCLUDING...ILIAMNA...KOKHANEK...NONDALTON...PORT ALSWORTH 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER CLOUDY MCLDY MCLDY PRECIP TYPE SHWRS SHWRS SHWRS CHANCE PRECIP (%) 80 90 70 TEMP (24H TREND) 43-51 (+2) 33-37 (+1) 44-51 RH % (24H TREND) 51-72 (0) 80-91 (0) 49-66 20FTWND(MPH) SE 6-18 G27 SE 11-24 G35 S 4-13 MIXING HGT(FT-AGL) 4533 6510 TRANSPORT WND (MPH)S 17 SE 15 CWR 70 80 60 TSTM COVERAGE NONE NONE NONE VENT RATE (KT-FT) 91590 106459 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 5 MPH. .THURSDAY...MOSTLY CLOUDY. SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 15 MPH. .FRIDAY...CLOUDY. SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTH WINDS AROUND 10 MPH. $$ AKZ763-190230- BRISTOL BAY BOROUGH (NAKNEK AND KING SALMON)- INCLUDING...NAKNEK...KING SALMON 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER MCLDY CLOUDY MCLDY PRECIP TYPE SHWRS RAIN SHWRS CHANCE PRECIP (%) 90 80 50 TEMP (24H TREND) 50-52 (+7) 36-37 (0) 50-51 RH % (24H TREND) 54-59 (-15) 87-90 (0) 53-61 20FTWND(MPH) S 8-17 SE 14-19 G30 S 7-12 MIXING HGT(FT-AGL) 3945 5289 TRANSPORT WND (MPH)S 14 S 16 CWR 70 70 40 TSTM COVERAGE NONE NONE NONE VENT RATE (KT-FT) 52939 73578 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 10 MPH. .THURSDAY...CLOUDY, SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. SOUTHEAST WINDS AROUND 20 MPH. .FRIDAY...CLOUDY. SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTH WINDS AROUND 15 MPH. $$ AKZ762-190230- NORTHERN ALASKA PENINSULA- INCLUDING...EGEGIK...PILOT POINT 413 AM AKDT Mon May 18 2026 TODAY TONIGHT TUE CLOUD COVER MCLDY MCLDY MCLDY PRECIP TYPE SHWRS RAIN SHWRS CHANCE PRECIP (%) 80 90 50 TEMP (24H TREND) 47-52 (+1) 35-37 (-1) 47-53 RH % (24H TREND) 48-59 (-2) 81-90 (0) 47-62 20FTWND(MPH) SE 9-22 G31 SE 20-32 G44 S 9-18 MIXING HGT(FT-AGL) 4600 5001 TRANSPORT WND (MPH)S 15 S 17 CWR 70 80 40 TSTM COVERAGE NONE NONE NONE VENT RATE (KT-FT) 69622 80391 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. SOUTHEAST WINDS AROUND 10 MPH. .THURSDAY...MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE UPPER 30S. HIGHS AROUND 50. SOUTHEAST WINDS AROUND 20 MPH. .FRIDAY...CLOUDY. SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH. $$