River Forecast
Issued by NWS
Issued by NWS
Versions:
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757 FGAK58 PACR 201657 RVFYKN RIVER FORECAST NATIONAL WEATHER SERVICE NWS ALASKA PACIFIC RIVER FORECAST CENTER; ANCHORAGE AK 857 AM AKDT Wed Aug 20 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 11.96 FT AT 0800 AM AKDT ON AUG 20 .ER FMMA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 12.03 / 12.09 / 12.12 .E2 : 0821 : / 12.12 / 12.12 / 12.12 / 12.10 .E3 : 0822 : / 12.08 / 12.05 / 12.03 : :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 9.20 FT AT 0800 AM AKDT ON AUG 20 .ER FMKA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 9.18 / 9.30 / 9.39 .E2 : 0821 : / 9.43 / 9.37 / 9.30 / 9.23 .E3 : 0822 : / 9.17 / 9.13 / 9.10 : :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 5.07 FT AT 0434 AM AKDT ON AUG 20 .ER FMWA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 5.48 / 5.65 / 5.68 .E2 : 0821 : / 5.69 / 5.60 / 5.50 / 5.34 .E3 : 0822 : / 5.19 / 5.08 / 4.99 : :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 72.87 FT AT 0800 AM AKDT ON AUG 20 .ER FMRA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 72.97 / 73.11 / 73.17 .E2 : 0821 : / 73.28 / 73.35 / 73.36 / 73.33 .E3 : 0822 : / 73.27 / 73.20 / 73.11 : :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 26.11 FT AT 0745 AM AKDT ON AUG 20 .ER PRBQ9 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 26.09 / 26.03 / 25.95 .E2 : 0821 : / 25.87 / 25.78 / 25.69 / 25.60 .E3 : 0822 : / 25.53 / 25.47 / 25.40 : :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 15.08 FT AT 0815 AM AKDT ON AUG 20 .ER SLAA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 15.05 / 15.04 / 15.02 .E2 : 0821 : / 15.01 / 15.00 / 14.99 / 15.03 .E3 : 0822 : / 15.16 / 15.28 / 15.30 : :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 0751 AM AKDT ON AUG 20 .ER MFKA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 6.18 / 6.14 / 6.09 .E2 : 0821 : / 6.03 / 5.97 / 6.05 / 6.52 .E3 : 0822 : / 6.70 / 6.68 / 6.88 : :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 48.22 FT AT 0830 AM AKDT ON AUG 20 .ER KRHA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 48.17 / 48.11 / 48.07 .E2 : 0821 : / 48.07 / 48.09 / 48.13 / 48.16 .E3 : 0822 : / 48.19 / 48.21 / 48.21 / 48.21 .E4 : 0823 : / 48.20 / 48.19 / 48.19 : :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 28.96 FT AT 0400 AM AKDT ON AUG 20 .ER KUPA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 28.96 / 28.97 / 28.96 .E2 : 0821 : / 28.95 / 28.93 / 28.91 / 28.89 .E3 : 0822 : / 28.89 / 28.91 / 28.95 : :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 16.11 FT AT 0815 AM AKDT ON AUG 20 .ER SGRA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 16.06 / 16.05 / 16.04 .E2 : 0821 : / 16.08 / 16.10 / 16.08 / 16.05 .E3 : 0822 : / 16.03 / 16.02 / 16.03 : :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 48.45 FT AT 0400 AM AKDT ON AUG 20 .ER CRUA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 48.83 / 49.18 / 49.36 .E2 : 0821 : / 49.36 / 49.27 / 49.12 / 48.95 .E3 : 0822 : / 48.81 / 48.71 / 48.63 : :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 6.47 FT AT 0830 AM AKDT ON AUG 20 .ER WULA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 6.42 / 6.34 / 6.41 .E2 : 0821 : / 6.69 / 6.98 / 7.15 / 7.20 .E3 : 0822 : / 7.16 / 7.07 / 6.97 : :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 46.81 FT AT 0815 AM AKDT ON AUG 20 .ER KIAA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 46.79 / 46.76 / 46.71 .E2 : 0821 : / 46.65 / 46.60 / 46.62 / 46.66 .E3 : 0822 : / 46.67 / 46.66 / 46.65 / 46.69 .E4 : 0823 : / 46.85 / 47.25 / 47.72 : :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 6.82 FT AT 0810 AM AKDT ON AUG 20 .ER YDAQ9 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 6.80 / 6.80 / 6.82 .E2 : 0821 : / 6.80 / 6.79 / 6.81 / 6.84 .E3 : 0822 : / 6.87 / 6.90 / 6.92 / 6.92 .E4 : 0823 : / 6.92 / 6.92 / 6.90 : :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 13.74 FT AT 0800 AM AKDT ON AUG 20 .ER YEAA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 13.74 / 13.69 / 13.67 .E2 : 0821 : / 13.67 / 13.68 / 13.70 / 13.73 .E3 : 0822 : / 13.75 / 13.76 / 13.76 / 13.75 .E4 : 0823 : / 13.74 / 13.73 / 13.71 : :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 31.38 FT AT 0830 AM AKDT ON AUG 20 .ER YRBA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 31.37 / 31.32 / 31.25 .E2 : 0821 : / 31.18 / 31.10 / 31.02 / 30.95 .E3 : 0822 : / 30.90 / 30.84 / 30.79 / 30.74 .E4 : 0823 : / 30.65 / 30.56 / 30.47 : :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 11.53 FT AT 0800 AM AKDT ON AUG 20 .ER MCGA2 0820 Z DC202508201657/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0820 : / 11.48 / 11.41 / 11.35 .E2 : 0821 : / 11.29 / 11.24 / 11.19 / 11.14 .E3 : 0822 : / 11.09 / 11.03 / 10.97 : :FORECASTER COMMENTS... : : :******************************************************************* : : $$ : :...END of MESSAGE...