It will be hot this week; River flows still running high; Highways slowly reopening
(Riverton, Wyo.) – Flood waters continue to spill over river banks in the Wind River Basin as a Friday rainstorm over the mountains and high weekend temperatures accelerated the snowmelt. Floodwaters also covered U.S. 26 between Kinnear and Diversion Dam, closing the road on Saturday night. Flood waters also closed the Blue Sky Highway, Wyoming 132, on Sunday night, although both routes are re-opening to traffic Monday afternoon. Check with WYDOT for the current highway conditions.
The National Weather Service Forecast Office in Riverton issued the following update on Monday:
• Significant river flooding continues across western and central Wyoming. Many rivers in the western valleys/basins have exceeded flood stage, with a few reaching Moderate flooding. Warm temperatures below 10000 feet this week will sustain high river levels.
• Periodic chances for non-severe thunderstorms mainly during the afternoon & evening hours Tue-Wed and again with a cold frontal passage mainly late Fri & Fri night. Cooler this weekend (Highs in the 60s).
• Dry conditions will likely persist for the last week of June into early July, with temperatures most likely hovering near normal levels.
River levels as of noon Monday are:
• Wind River at Dubois, 4.74 feet, flood stage is 5 feet
• Wind River near Crowheart, 9.43 feet, flood stage is 10 feet
• Wind River at Diversion Dam, 6.26 feet, flood stage is 5.5 feet
• Wind River near Kinnear, 8.76 feet, flood stage is 9 feet
• Wind River at Riverton, 11.4 feet, flood stage is 9 feet
• North Fork of the Little Wind near Fort Washakie, 5.13 feet, flood stage is 6 feet
• Little Wind River at Fort Washakie, 4.5 feet, flood stage is 4.5 feet
• Little Wind River at Riverton, 9.41 feet, flood stage is 8 feet
• North Fork Popo Agie River at Gallinger Ranch, 4.39 feet, flood stage is 5 feet
• Little Popo Agie River near Hudson, 4.86 feet, flood stage is 5.5 feet
• Middle Fork Popo Agie River in Sinks Canyon, 5.72 feet, flood stage is 6.5 feet
• Middle Fork Popo Agie River in Lander, 3.9 feet, flood stage is 5 feet
• Sweetwater River at Sweetwater Station, 5.2 feet, flood stage is 7 feet
The NWS – Riverton forecast for the Wind River Basin calls for warm temperatures, moderating on Friday: