TornadoLiveMap

Koyukuk River at Hughes — water level right now

Yukon-Koyukuk, Alaska · NWS gauge KRHA2
Loading the latest reading…
–
current stage (ft)
 
64
minor flood stage
 
70.8
record crest
set 1994-08-22
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 62
minor · 64
moderate · 67
major · 70
Flood stageLevel (ft)What it means
Major flood stage70extensive inundation and significant evacuations — a serious event
Moderate flood stage67some buildings and roads inundated; evacuations possible
Minor flood stage64low-lying roads and fields near the river start to flood
Action stage62water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
170.81994-08-22+6.8 above
269.152026-05-09+5.15 above
365.022025-08-31+1.02 above
462.662005-05-181.34 below
562.552024-08-221.45 below
661.662023-06-132.34 below
760.032021-08-033.97 below
858.342003-08-035.66 below
957.332004-05-286.67 below
1057.292006-05-186.71 below
1155.862022-05-238.14 below
1251.242007-05-3012.76 below

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Yukon River at Tanana 86 mi away · loading… Yukon River at Galena 117 mi away · loading… Tanana River at Manley Hot Springs 125 mi away · loading… Yukon River near Stevens Village 128 mi away · loading… Slate Creek at Coldfoot 142 mi away · loading… Middle Fork Koyukuk River near Wiseman 152 mi away · loading…

Gauge details

NWS gauge IDKRHA2
USGS site15564900
CountyYukon-Koyukuk
StateAlaska
NWS forecast officeFairbanks
River forecast centerAlaska Pacific River Forecast Center
Coordinates66.046, -154.262
Time zoneAST9ADT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Koyukuk River at Hughes

Is Koyukuk River at Hughes flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 64 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Koyukuk River at Hughes?

major flood stage 70 ft, moderate flood stage 67 ft, minor flood stage 64 ft, action stage 62 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Koyukuk River at Hughes?

The highest crest on file at this gauge is 70.8 ft, reached on 1994-08-22 — that is 6.8 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Fairbanks and local emergency management.