FNAK52 PAFC 192327 FWFALU FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST ALASKA NATIONAL WEATHER SERVICE ANCHORAGE AK 327 PM AKDT Tue May 19 2026 .DISCUSSION... An upper-level low pressure in the Central Bering Sea continues to promote an unsettled, showery pattern across Southwest Alaska. Shortwaves moving through the region from south to north will allow for some isolated wet thunderstorm potential along the northern extent of Southwest Alaska. The area from north of Bethel, to Aniak, and further east into the Lower Kuskokwim Valley may see some of these isolated strikes late this afternoon. By Wednesday, convective potential across the region becomes very unfavorable as a new low pressure system in the northern Pacific enters the area, spreading a more stratiform precipitation regime. By Thursday morning, expect widespread rainfall across the region. Gusty southeasterly winds will pick-up by Thursday afternoon. AKZ752-201700- KUSKOKWIM VALLEY WEST- INCLUDING...ANIAK...KALSKAG 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER MCLDY MCLDY MCLDY MCLDY PRECIP TYPE TSTMS SHWRS SHWRS SHWRS CHANCE PRECIP (%) 40 50 70 70 TEMP (24H TREND) 36-39 (+1) 49-53 (+6) 36-39 48-53 RH % (24H TREND) 83-86 (-5) 39-49 (-5) 82-85 44-52 20FTWND(MPH) S 7-14 S 6-13 S 5-12 SE 9-18 MIXING HGT(FT-AGL) 6240 5995 TRANSPORT WND (MPH) S 14 SE 16 CWR 20 0 0 50 TSTM COVERAGE ISOLATED NONE NONE NONE VENT RATE (KT-FT) 94946 121778 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLOUDY. CHANCE OF showers. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF showers. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. SOUTHWEST WINDS AROUND 5 MPH. $$ AKZ753-201700- KUSKOKWIM VALLEY EAST- INCLUDING...SLEETMUTE...CROOKED CREEK 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER MCLDY MCLDY PCLDY MCLDY PRECIP TYPE TSTMS SHWRS SHWRS SHWRS CHANCE PRECIP (%) 40 20 80 90 TEMP (24H TREND) 35-36 (0) 48-57 (+5) 35-38 46-55 RH % (24H TREND) 82-90 (0) 39-50 (-9) 85-94 54-67 20FTWND(MPH) S 5-13 G20 S 5-10 S 5-9 S 10-14 G24 MIXING HGT(FT-AGL) 6678 6247 TRANSPORT WND (MPH) S 13 S 18 CWR 10 0 0 70 TSTM COVERAGE ISOLATED NONE NONE NONE VENT RATE (KT-FT) 77530 106794 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. CHANCE OF showers. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WEST WINDS AROUND 5 MPH. $$ AKZ754-201700- LIME VILLAGE- INCLUDING...LIME VILLAGE 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER MCLDY MCLDY PCLDY CLOUDY PRECIP TYPE TSTMS SHWRS SHWRS SHWRS CHANCE PRECIP (%) 40 20 70 80 TEMP (24H TREND) 34-36 (-3) 51-57 (+6) 37-39 50-55 RH % (24H TREND) 70-79 (-1) 37-45 (-5) 71-80 42-56 20FTWND(MPH) S 3-14 SW 0-6 S 2-7 S 6-16 G24 MIXING HGT(FT-AGL) 6713 6155 TRANSPORT WND (MPH) S 9 S 17 CWR 10 0 0 60 TSTM COVERAGE ISOLATED NONE NONE NONE VENT RATE (KT-FT) 68890 124155 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...MOSTLY CLOUDY. CHANCE OF showers. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. SOUTH WINDS AROUND 10 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. WEST WINDS AROUND 5 MPH. $$ AKZ764-201700- NORTHERN BRISTOL BAY COAST- INCLUDING...DILLINGHAM...MANOKOTAK...TOGIAK 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER CLOUDY MCLDY CLOUDY CLOUDY PRECIP TYPE SHWRS SHWRS RAIN SHWRS CHANCE PRECIP (%) 60 70 100 90 TEMP (24H TREND) 33-35 (+1) 46-51 (+4) 34-37 44-49 RH % (24H TREND) 93-97 (0) 56-73 (+2) 96-99 70-84 20FTWND(MPH) SE 7-12 S 6-10 SE 8-20 G29 SE 13-22 G31 MIXING HGT(FT-AGL) 4789 4031 TRANSPORT WND (MPH) S 15 SE 17 CWR 20 40 100 80 TSTM COVERAGE NONE NONE NONE NONE VENT RATE (KT-FT) 63113 69143 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. SNOW SHOWERS AND CHANCE OF SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 15 MPH. .SATURDAY...CLOUDY. CHANCE OF showers. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH. $$ AKZ765-201700- INLAND BRISTOL BAY- INCLUDING...NEW STUYAHOK...KOLIGANEK...ALEKNAGIK 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER MCLDY MCLDY MCLDY CLOUDY PRECIP TYPE SHWRS SHWRS SHWRS SHWRS CHANCE PRECIP (%) 50 40 100 90 TEMP (24H TREND) 33-35 (+1) 44-50 (+6) 33-35 43-48 RH % (24H TREND) 89-94 (0) 53-63 (-4) 92-97 64-75 20FTWND(MPH) SE 3-12 S 6-10 S 6-12 G20 SE 10-20 G29 MIXING HGT(FT-AGL) 5585 5343 TRANSPORT WND (MPH) S 13 SE 20 CWR 30 10 90 90 TSTM COVERAGE NONE NONE NONE NONE VENT RATE (KT-FT) 64310 120159 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. SHOWERS LIKELY AND CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 10 MPH. .SATURDAY...CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH. $$ AKZ766-201700- LAKE ILIAMNA / NILA VENA / NANVARPAK- INCLUDING...ILIAMNA...KOKHANEK...NONDALTON...PORT ALSWORTH 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER PCLDY PCLDY MCLDY MCLDY PRECIP TYPE SHWRS SHWRS SHWRS SHWRS CHANCE PRECIP (%) 30 30 80 80 TEMP (24H TREND) 33-35 (-1) 46-52 (+4) 35-38 45-51 RH % (24H TREND) 77-89 (-4) 48-61 (0) 78-90 52-68 20FTWND(MPH) SE 5-15 S 1-6 SE 4-12 SE 9-20 G28 MIXING HGT(FT-AGL) 5739 5801 TRANSPORT WND (MPH) S 9 SE 21 CWR 0 0 0 70 TSTM COVERAGE NONE NONE NONE NONE VENT RATE (KT-FT) 66913 140063 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. showers LIKELY. LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S. SOUTH WINDS AROUND 10 MPH. .SATURDAY...CLOUDY. CHANCE OF showers. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. SOUTH WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 5 MPH. $$ AKZ763-201700- BRISTOL BAY BOROUGH (NAKNEK AND KING SALMON)- INCLUDING...NAKNEK...KING SALMON 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER PCLDY PCLDY MCLDY MCLDY PRECIP TYPE SHWRS NONE SHWRS SHWRS CHANCE PRECIP (%) 30 0 70 80 TEMP (24H TREND) 34-35 (+2) 51-53 (+5) 38-40 50-51 RH % (24H TREND) 82-86 (-10) 52-56 (+1) 84-88 60-63 20FTWND(MPH) S 8-14 S 4-6 S 8-20 G30 S 19-26 G36 MIXING HGT(FT-AGL) 5148 4254 TRANSPORT WND (MPH) S 12 S 21 CWR 0 0 0 60 TSTM COVERAGE NONE NONE NONE NONE VENT RATE (KT-FT) 72522 85253 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTH WINDS AROUND 15 MPH. .SATURDAY...CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. NORTHWEST WINDS AROUND 10 MPH. $$ AKZ762-201700- NORTHERN ALASKA PENINSULA- INCLUDING...EGEGIK...PILOT POINT 327 PM AKDT Tue May 19 2026 TONIGHT WED WED NIGHT THU CLOUD COVER PCLDY PCLDY CLOUDY MCLDY PRECIP TYPE NONE NONE RAIN SHWRS CHANCE PRECIP (%) 0 0 90 80 TEMP (24H TREND) 34-36 (+1) 48-54 (+2) 37-39 47-53 RH % (24H TREND) 82-87 (-5) 48-60 (+1) 81-89 56-67 20FTWND(MPH) SE 9-17 S 3-13 SE 14-21 G30 S 18-24 G32 MIXING HGT(FT-AGL) 5007 4045 TRANSPORT WND (MPH) S 17 S 23 CWR 0 0 90 70 TSTM COVERAGE NONE NONE NONE NONE VENT RATE (KT-FT) 85139 95320 REMARKS...NONE. .FORECAST FOR DAYS 3 THROUGH 5... .FRIDAY...CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH. .SATURDAY...CLOUDY. CHANCE OF showers. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. WEST WINDS AROUND 5 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF showers. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH. $$