River Forecast
Issued by NWS
Issued by NWS
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018 FGAK58 PACR 182330 RVFYKN RIVER FORECAST NATIONAL WEATHER SERVICE NWS ALASKA PACIFIC RIVER FORECAST CENTER; ANCHORAGE AK 330 PM AKDT Mon Aug 18 2025 THIS IS A NWS GUIDANCE PRODUCT FROM THE ALASKA PACIFIC RIVER FORECAST CENTER. PUBLIC FORECASTS AND WARNINGS ARE ISSUED BY NWS WEATHER FORECAST OFFICES. : FORECAST GROUP IS YKN : : FORECASTS INCLUDE 48-HOUR FUTURE RAINFALL IN 6 HOUR INCREMENTS : : :************************************************************ :MOSQUITO FORK OF THE 40 MILE AT TAYLOR HWY, AK - MOSQUITO FORK OF FORTYMILE RIVER :ACTION STAGE 22.00 FT MINOR FLOOD STAGE 24.00 FT :MODERATE FLOOD STAGE27.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 11.85 FT AT 0300 PM AKDT ON AUG 18 .ER FMMA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 11.87 / 11.81 .E2 : 0819 : / 11.80 / 11.79 / 11.83 / 11.88 .E3 : 0820 : / 12.03 / 12.11 / 12.14 / 12.11 : :FORECASTER COMMENTS... : :************************************************************ :WALKER FORK 40 MILE AT TAYLOR HWY, AK - WALKER FORK OF THE FORTYMILE :ACTION STAGE 15.00 FT MINOR FLOOD STAGE 16.00 FT :MODERATE FLOOD STAGE17.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 8.88 FT AT 0300 PM AKDT ON AUG 18 .ER FMKA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 8.88 / 8.87 .E2 : 0819 : / 8.86 / 8.85 / 8.85 / 8.90 .E3 : 0820 : / 8.95 / 8.98 / 9.05 / 9.06 : :FORECASTER COMMENTS... : :************************************************************ :WEST FORK OF THE DENN FK OF THE 40MILE @ TAYLOR, AK - WEST FORK OF THE FORTYMILE RIVER :ACTION STAGE 12.00 FT MINOR FLOOD STAGE 21.00 FT :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 4.88 FT AT 0125 PM AKDT ON AUG 18 .ER FMWA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 4.90 / 4.90 .E2 : 0819 : / 4.85 / 4.75 / 4.66 / 4.73 .E3 : 0820 : / 4.77 / 4.77 / 4.79 / 4.76 : :FORECASTER COMMENTS... : :************************************************************ :FORTYMILE RIVER NEAR STEELE CREEK, AK - FORTYMILE RIVER AT TAYLOR HWY :ACTION STAGE 86.00 FT MINOR FLOOD STAGE 90.00 FT :MODERATE FLOOD STAGE94.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 72.96 FT AT 0300 PM AKDT ON AUG 18 .ER FMRA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 72.93 / 72.93 .E2 : 0819 : / 72.92 / 72.89 / 72.84 / 72.86 .E3 : 0820 : / 73.06 / 73.33 / 73.52 / 73.62 : :FORECASTER COMMENTS... : :************************************************************ :PORCUPINE RIVER NR BORDER, YT - PORCUPINE RIVER :ACTION STAGE 41.00 FT MINOR FLOOD STAGE 46.00 FT :MODERATE FLOOD STAGE52.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 27.11 FT AT 0245 PM AKDT ON AUG 18 .ER PRBQ9 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 27.15 / 27.04 .E2 : 0819 : / 26.88 / 26.70 / 26.53 / 26.37 .E3 : 0820 : / 26.22 / 26.10 / 26.00 / 25.94 : :FORECASTER COMMENTS... : :************************************************************ :SLATE CREEK AT COLDFOOT, AK - SLATE CREEK :ACTION STAGE 17.50 FT MINOR FLOOD STAGE 18.70 FT :MODERATE FLOOD STAGE20.20 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 15.06 FT AT 0215 PM AKDT ON AUG 18 .ER SLAA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 15.05 / 15.05 .E2 : 0819 : / 15.04 / 15.07 / 15.18 / 15.23 .E3 : 0820 : / 15.19 / 15.15 / 15.13 / 15.11 : :FORECASTER COMMENTS... : :************************************************************ :MIDDLE FORK KOYUKUK RIVER NR WISEMAN, AK - MIDDLE FORK KOYUKUK :ACTION STAGE NA MINOR FLOOD STAGE NA :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 6.17 FT AT 0250 PM AKDT ON AUG 18 .ER MFKA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 6.16 / 6.18 .E2 : 0819 : / 6.64 / 7.04 / 7.02 / 6.96 .E3 : 0820 : / 6.97 / 6.94 / 6.90 / 6.86 : :FORECASTER COMMENTS... : :************************************************************ :KOYUKUK RIVER AT HUGHES, AK - KOYUKUK RIVER :ACTION STAGE 62.00 FT MINOR FLOOD STAGE 64.00 FT :MODERATE FLOOD STAGE67.00 FT MAJOR FLOOD STAGE 70.00 FT : :LATEST RIVER STAGE 48.46 FT AT 0230 PM AKDT ON AUG 18 .ER KRHA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 48.44 / 48.39 .E2 : 0819 : / 48.33 / 48.26 / 48.18 / 48.09 .E3 : 0820 : / 48.00 / 47.92 / 47.87 / 47.86 .E4 : 0821 : / 47.89 / 47.96 / 48.06 / 48.16 : :FORECASTER COMMENTS... : :************************************************************ :KUPARUK RIVER NR DEADHORSE, AK - KUPARUK RIVER :ACTION STAGE 34.00 FT MINOR FLOOD STAGE 35.50 FT :MODERATE FLOOD STAGE37.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 28.68 FT AT 1000 AM AKDT ON AUG 18 .ER KUPA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 28.67 / 28.74 .E2 : 0819 : / 28.82 / 28.99 / 29.08 / 29.12 .E3 : 0820 : / 29.14 / 29.17 / 29.17 / 29.16 : :FORECASTER COMMENTS... : :************************************************************ :SAGAVANIRKTOK RIVER NEAR PS 3 NR DEADHORSE, AK - SAGAVANIRKTOK RIVER :ACTION STAGE 19.00 FT MINOR FLOOD STAGE 20.00 FT :MODERATE FLOOD STAGE22.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 16.07 FT AT 0215 PM AKDT ON AUG 18 .ER SGRA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 16.01 / 16.01 .E2 : 0819 : / 16.09 / 16.24 / 16.46 / 16.56 .E3 : 0820 : / 16.52 / 16.44 / 16.38 / 16.32 : :FORECASTER COMMENTS... : :************************************************************ :COLVILLE RIVER NEAR UMIAT, AK - COLVILLE RIVER :ACTION STAGE 57.50 FT MINOR FLOOD STAGE 59.00 FT :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 48.41 FT AT 1000 AM AKDT ON AUG 18 .ER CRUA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 48.30 / 48.23 .E2 : 0819 : / 48.20 / 48.21 / 48.27 / 48.46 .E3 : 0820 : / 48.89 / 49.54 / 50.01 / 50.18 : :FORECASTER COMMENTS... : :************************************************************ :WULIK RIVER BLW TUTAK CREEK NR KIVALINA, AK - WULIK RIVER :ACTION STAGE NA MINOR FLOOD STAGE 11.20 FT :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 6.67 FT AT 0230 PM AKDT ON AUG 18 .ER WULA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 6.79 / 6.88 .E2 : 0819 : / 6.88 / 6.81 / 6.71 / 6.59 .E3 : 0820 : / 6.48 / 6.43 / 6.67 / 7.18 : :FORECASTER COMMENTS... : :************************************************************ :KOBUK RIVER NR KIANA, AK - KOBUK RIVER :ACTION STAGE NA MINOR FLOOD STAGE 60.10 FT :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 47.19 FT AT 0215 PM AKDT ON AUG 18 .ER KIAA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 47.09 / 46.96 .E2 : 0819 : / 46.88 / 46.82 / 46.74 / 46.64 .E3 : 0820 : / 46.57 / 46.54 / 46.52 / 46.47 .E4 : 0821 : / 46.49 / 46.60 / 46.70 / 46.78 : :FORECASTER COMMENTS... : :************************************************************ :YUKON RIVER AT DAWSON, YT - YUKON RIVER :ACTION STAGE 15.00 FT MINOR FLOOD STAGE 17.50 FT :MODERATE FLOOD STAGE20.00 FT MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 7.17 FT AT 0210 PM AKDT ON AUG 18 .ER YDAQ9 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 7.17 / 7.16 .E2 : 0819 : / 7.13 / 7.10 / 7.08 / 7.05 .E3 : 0820 : / 7.04 / 7.03 / 7.02 / 7.02 .E4 : 0821 : / 7.02 / 7.04 / 7.04 / 7.04 : :FORECASTER COMMENTS... : :************************************************************ :YUKON RIVER AT EAGLE, AK - YUKON RIVER :ACTION STAGE 31.00 FT MINOR FLOOD STAGE 34.00 FT :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 13.99 FT AT 0300 PM AKDT ON AUG 18 .ER YEAA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 13.99 / 13.96 .E2 : 0819 : / 13.93 / 13.89 / 13.83 / 13.77 .E3 : 0820 : / 13.71 / 13.68 / 13.67 / 13.69 .E4 : 0821 : / 13.71 / 13.73 / 13.75 / 13.77 : :FORECASTER COMMENTS... : :************************************************************ :YUKON RIVER NR STEVENS VILLAGE, AK - YUKON RIVER :ACTION STAGE 59.00 FT MINOR FLOOD STAGE 61.00 FT :MODERATE FLOOD STAGE NA MAJOR FLOOD STAGE NA : :LATEST RIVER STAGE 31.48 FT AT 0230 PM AKDT ON AUG 18 .ER YRBA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 31.45 / 31.42 .E2 : 0819 : / 31.40 / 31.39 / 31.46 / 31.50 .E3 : 0820 : / 31.52 / 31.51 / 31.50 / 31.48 .E4 : 0821 : / 31.41 / 31.30 / 31.20 / 31.11 : :FORECASTER COMMENTS... : :************************************************************ :KUSKOKWIM RIVER AT MCGRATH, AK - KUSKOKWIM RIVER :ACTION STAGE 19.50 FT MINOR FLOOD STAGE 21.00 FT :MODERATE FLOOD STAGE23.50 FT MAJOR FLOOD STAGE 27.00 FT : :LATEST RIVER STAGE 11.93 FT AT 0300 PM AKDT ON AUG 18 .ER MCGA2 0819 Z DC202508182330/DH00/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0818 : / 11.90 / 11.88 .E2 : 0819 : / 11.87 / 11.87 / 11.86 / 11.85 .E3 : 0820 : / 11.83 / 11.80 / 11.77 / 11.76 : :FORECASTER COMMENTS... : : :******************************************************************* : : $$ : :...END of MESSAGE...