Wyoming Flow Report

RIVER FLOWS WEATHER HYDROLOGY
April 26, 2024



Streamflow levels across Wyoming are currently 106.0% of normal, with the Snake River Ab Reservoir Nr Alpine Wy reporting the highest discharge in the state with 5090cfs and gauge stage of 4.91 ft. Meanwhile, the Green River Below Fontenelle Reservoir is seeing a spike in streamflows today after experiencing a 63.48% increase since yesterday, and currently running at 1110cfs.

Maximum gauge stage in the state was last observed at the Gros Ventre River At Zenith Wy, currently reporting a stage of 18.73ft. The Bear River Below Reservoir in the Upper Bear watershed is surging for this time of year at 677cfs, about 369.29% of normal.


Surface Flow Characteristics


Wyoming has a semi-arid climate with an average annual precipitation of 14 inches. The state contains major surface flows such as the Green River, North Platte River, and the Snake River. The Wind River Range contains the headwaters of the Green and Snake Rivers. The state has many reservoirs and dams that are used for irrigation, flood control, and hydroelectric power generation. Snowpack in the mountains is a critical source of water for Wyoming's rivers, and snowmelt runoff typically peaks in May and June. The state is also affected by drought conditions, which can lead to reduced water availability and increased wildfire risk. Overall, Wyoming's hydrology is influenced by its specific geography, climate, and water management practices.


Streamgauge Profile


Statewide Warnings & Alerts

ABSAROKA MOUNTAINS
* WHAT...Snow expected. Total snow accumulations of up to 8 to 12 inches. * WHERE...Absaroka Mountains. * WHEN...From noon Friday to 3 PM MDT Saturday. * IMPACTS...Travel could be difficult especially in the backcountry.

WIND RIVER MOUNTAINS EAST
* WHAT...Heavy snow expected. Total snow accumulations of up to 18 to 24 inches. Winds gusting as high as 40 mph. * WHERE...Wind River Mountains East. * WHEN...From 6 PM Friday to 9 PM MDT Saturday. * IMPACTS...Travel could be very difficult to impossible.


Popular Whitewater Destinations

River Run Status Streamflow (CFS) Air Temp (F)
1st Gorge Lime
Class IV+ to V
39.99
RUNNABLE 817 48
RUNNABLE 817 48
Canyon
Class I
26 70
Cave Falls Run
Class III to III+
RUNNABLE 265 51
Granite Creek
Class II to III
TOO HIGH 66.6 46
Hoback Canyon
Class II to III+
38.43
RUNNABLE 350 47
Narrows
Class III- to III+
RUNNABLE 890 44
Northgate Canyon
Class III- to III+
RUNNABLE 142 61
RUNNABLE 215 74
RUNNABLE 350 47
RUNNABLE 350 47
RUNNABLE 350 47
TOO HIGH 4350 89
Flow Reports by Region

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