TornadoLiveMap

North Platte River at Guernsey Reservoir — water level right now

Platte County, Wyoming · NWS gauge GNSW4
Loading the latest reading…
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current stage (ft)
 
4430
minor flood stage
 
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flood status
official NWS category
Official NOAA forecast → Full US flood map →

Flood stages at this gauge

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

action · 4420
minor · 4430
Flood stageLevel (ft)What it means
Minor flood stage4430low-lying roads and fields near the river start to flood
Action stage4420water is approaching flood level — time to pay attention

Highest floods on record here

The National Weather Service has no historic crest list on file for this gauge.

Where this gauge is

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

Nearby river gauges

Laramie River Grayrocks Reservoir Inflow 12 mi away · loading… Laramie River near Fort Laramie 13 mi away · loading… North Platte River at Glendo Reservoir 16 mi away · loading… North Platte River near Orin 32 mi away · loading… Laramie River near Bosler 69 mi away · loading… Little Medicine Bow River at Boles Spring 77 mi away · loading…

Gauge details

NWS gauge IDGNSW4
CountyPlatte
StateWyoming
NWS forecast officeCheyenne
River forecast centerMissouri Basin River Forecast Center
Coordinates42.29, -104.763
Time zoneMST7MDT
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 North Platte River at Guernsey Reservoir

Is North Platte River at Guernsey Reservoir 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 4430 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for North Platte River at Guernsey Reservoir?

minor flood stage 4430 ft, action stage 4420 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

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 Cheyenne and local emergency management.