River Forecast
Issued by NWS
Issued by NWS
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067 FGAK58 PACR 212259 RVFYKN RIVER FORECAST NATIONAL WEATHER SERVICE NWS ALASKA PACIFIC RIVER FORECAST CENTER; ANCHORAGE AK 259 PM AKDT Thu Aug 21 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 12.09 FT AT 0200 PM AKDT ON AUG 21 .ER FMMA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 12.00 / 12.00 / 11.99 .E2 : 0822 : / 11.98 / 11.97 / 11.95 / 11.94 .E3 : 0823 : / 11.93 / 11.93 / 11.92 : :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 9.33 FT AT 0200 PM AKDT ON AUG 21 .ER FMKA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 9.28 / 9.16 / 9.02 .E2 : 0822 : / 8.89 / 8.81 / 8.77 / 8.76 .E3 : 0823 : / 8.74 / 8.72 / 8.70 : :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 5.05 FT AT 0112 PM AKDT ON AUG 21 .ER FMWA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 5.12 / 5.06 / 5.06 .E2 : 0822 : / 5.05 / 5.04 / 5.04 / 5.03 .E3 : 0823 : / 5.02 / 5.02 / 5.01 : :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 73.29 FT AT 0200 PM AKDT ON AUG 21 .ER FMRA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 73.21 / 73.23 / 73.23 .E2 : 0822 : / 73.10 / 72.94 / 72.82 / 72.77 .E3 : 0823 : / 72.72 / 72.69 / 72.68 : :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 25.91 FT AT 0145 PM AKDT ON AUG 21 .ER PRBQ9 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 25.87 / 25.87 / 25.85 .E2 : 0822 : / 25.81 / 25.77 / 25.72 / 25.67 .E3 : 0823 : / 25.61 / 25.56 / 25.51 : :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 15.05 FT AT 0215 PM AKDT ON AUG 21 .ER SLAA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 15.05 / 15.04 / 15.07 .E2 : 0822 : / 15.20 / 15.30 / 15.31 / 15.32 .E3 : 0823 : / 15.38 / 15.57 / 16.21 : :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 6.13 FT AT 0156 PM AKDT ON AUG 21 .ER MFKA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 6.09 / 6.22 / 6.64 .E2 : 0822 : / 6.81 / 6.80 / 6.99 / 7.14 .E3 : 0823 : / 7.52 / 8.11 / 8.56 : :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 48.11 FT AT 0230 PM AKDT ON AUG 21 .ER KRHA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 48.05 / 48.09 / 48.12 .E2 : 0822 : / 48.15 / 48.17 / 48.18 / 48.18 .E3 : 0823 : / 48.16 / 48.16 / 48.19 / 48.24 .E4 : 0824 : / 48.33 / 48.47 / 48.67 : :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 21 .ER KUPA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 28.94 / 28.92 / 28.90 .E2 : 0822 : / 28.91 / 28.92 / 28.96 / 29.01 .E3 : 0823 : / 29.09 / 29.23 / 29.49 : :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 15.97 FT AT 0215 PM AKDT ON AUG 21 .ER SGRA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 16.01 / 16.00 / 15.98 .E2 : 0822 : / 15.96 / 15.98 / 15.99 / 16.01 .E3 : 0823 : / 16.05 / 16.11 / 16.28 : :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 49.36 FT AT 0400 AM AKDT ON AUG 21 .ER CRUA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 49.28 / 49.13 / 48.95 .E2 : 0822 : / 48.82 / 48.72 / 48.65 / 48.62 .E3 : 0823 : / 48.66 / 48.82 / 49.07 : :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 6.99 FT AT 0230 PM AKDT ON AUG 21 .ER WULA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 6.84 / 6.94 / 6.98 .E2 : 0822 : / 6.98 / 6.95 / 6.92 / 6.99 .E3 : 0823 : / 7.27 / 8.55 / 8.85 : :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 46.53 FT AT 0215 PM AKDT ON AUG 21 .ER KIAA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 46.54 / 46.54 / 46.55 .E2 : 0822 : / 46.54 / 46.51 / 46.49 / 46.62 .E3 : 0823 : / 47.03 / 47.71 / 48.41 / 48.95 .E4 : 0824 : / 49.32 / 49.71 / 50.22 : :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 6.76 FT AT 0210 PM AKDT ON AUG 21 .ER YDAQ9 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 6.77 / 6.79 / 6.81 .E2 : 0822 : / 6.81 / 6.81 / 6.83 / 6.86 .E3 : 0823 : / 6.87 / 6.87 / 6.86 / 6.84 .E4 : 0824 : / 6.81 / 6.78 / 6.74 : :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 13.51 FT AT 0200 PM AKDT ON AUG 21 .ER YEAA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 13.51 / 13.52 / 13.54 .E2 : 0822 : / 13.55 / 13.54 / 13.52 / 13.50 .E3 : 0823 : / 13.49 / 13.49 / 13.49 / 13.48 .E4 : 0824 : / 13.47 / 13.45 / 13.42 : :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 31.18 FT AT 0230 PM AKDT ON AUG 21 .ER YRBA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 31.20 / 31.13 / 31.07 .E2 : 0822 : / 31.02 / 30.98 / 30.93 / 30.88 .E3 : 0823 : / 30.82 / 30.78 / 30.75 / 30.71 .E4 : 0824 : / 30.67 / 30.63 / 30.60 : :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 11.49 FT AT 0200 PM AKDT ON AUG 21 .ER MCGA2 0821 Z DC202508212259/DH18/HGIFE/DIH6 :RIVER FORECAST / 12Z/ 18Z/ 0Z/ 6Z .E1 : 0821 : / 11.46 / 11.45 / 11.44 .E2 : 0822 : / 11.44 / 11.42 / 11.42 / 11.40 .E3 : 0823 : / 11.39 / 11.39 / 11.38 : :FORECASTER COMMENTS... : : :******************************************************************* : : $$ : :...END of MESSAGE...