Last Updated: January 11, 2026
Wyoming's river enthusiasts should take note of the current streamflow trends, which present a varied picture across the state's waterways. Notable observations include the Dinwoody Creek, which is flowing at an exceptionally high rate of 248.03% of its normal streamflow with a current streamflow of 120 cubic feet per second (cfs) and an impressive 46.34 cfs increase in the last 24 hours. Conversely, flow drought conditions are evident in the South Fork Shoshone River near Valley, experiencing only 64.28% of its normal flow at 176 cfs. The Wind River at Riverton is worth mentioning too, with a significant 19.98% lower than average streamflow. However, the Green River near Green River presents a positive anomaly, with a streamflow of 1050 cfs, marking a 32.97% increase over normal levels, signaling a potential for heightened activity or flooding concerns in the area.
River systems such as the Bighorn and North Platte Rivers are experiencing slight reductions in flow, which may affect cities like Basin and Orin and could impact popular whitewater trails. The Bighorn River at Kane is down by 19.29% from its normal flow, and the North Platte River at the Wyoming-Nebraska State Line has a significant drop of 49.39% from normal conditions. In contrast, the Snake River system near Alpine is showing robust streamflow, with the Snake River above the reservoir at Alpine recording a notable increase of 10.04 cfs in the last 24 hours, with a flow of 2630 cfs, which is 42.32% above normal. This could be of interest to those monitoring the Snake River for recreational or ecological reasons, as such changes might impact the area around Grand Teton National Park and the associated ecosystems. Water and river enthusiasts should stay aware of these changes, as they can significantly influence the enjoyment and safety of water-based activities, as well as the ecological health of these riverine habitats.
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.
| River Run | Status | Streamflow (CFS) | Air Temp (F) |
|---|---|---|---|
|
1st Gorge Lime
Class IV+ to V |
39.99 | ||
|
Alpine Canyon (West Table to Sheep Gulch)
Class III- to III+ |
RUNNABLE | 817 | 48 |
|
Astoria to West Table
Class I to II |
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 | ||
|
Lower Greys (Squaw Creek to Bridge Campground)
Class III+ to V- |
RUNNABLE | 350 | 47 |
|
Narrows
Class III- to III+ |
RUNNABLE | 890 | 44 |
|
Northgate Canyon
Class III- to III+ |
RUNNABLE | 142 | 61 |
|
Upper Boxelder Canyon
Class V |
RUNNABLE | 215 | 74 |
|
Upper Greys (Lynx Creek to Little Greys)
Class II to IV+ |
RUNNABLE | 350 | 47 |
|
Upper Greys (Murphy Creek Bridge to Lynx Creek Campground)
Class II to II+ |
RUNNABLE | 350 | 47 |
|
Upper Greys (Murphy Creek Bridge to Lynx Creek Campground)
Class II to II+ |
RUNNABLE | 350 | 47 |
|
Wedding of the waters
Class I |
TOO HIGH | 4350 | 89 |