North Platte River at Alcova, WY

Natrona County, Wyoming · USGS gauge 06642000 · NWS GRFW4 · North Platte River flood status · Wyoming river levels

Is North Platte River at Alcova, WY flooding right now?

North Platte River at Alcova, WY measured 3.48 ft on 2026-09-11 00:15:00 UTC. No NWS minor flood stage is published for this gauge. Its action level is 9 ft; action level is not flood stage.

Gauge height

3.48 ft

as of 2 hours ago

Streamflow

1,210 cfs

data refreshed 15 min ago

The highest crest on record was 9.9 ft on Wed, Apr 27, 1983.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

Category	Stage	Current distance
Action	9 ft	5.5 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

Stage	Date
9.9 ft	1983-04-27
8.84 ft	1980-04-28
8.57 ft	1973-05-13
8.15 ft	1974-04-30
7.29 ft	1986-06-07

Nearby gauges

Gauge	Distance	County
North Platte River near Goose Egg, WY	11.7 mi	Natrona County
Sweetwater River near Alcova, WY	23.5 mi	Natrona County
Smith Creek above Otter Creek, near Casper, WY	26.6 mi	Natrona County
Pole Creek near Casper, WY	27.4 mi	Natrona County
Otter Creek at Mouth, near Casper, WY	27.5 mi	Natrona County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast