Flooding Potential to Continue to Increase into the Weekend Western Wyoming

Hydrologic Outlook
National Weather Service Riverton WY
1240 PM MDT Wed Jun 7 2017

...Increased snowmelt runoff will increase the severity of flooding
of creeks and rivers during the upcoming weekend and through early
next week...

...Peak flows and stages along the Big and Little Wind Rivers by
this weekend...

...Snake River near Jackson still expected to crest near 26,000 cfs by
this weekend...

...Peak flow of 17,500 cfs forecasted along the Green River near
LaBarge by Monday morning of next week...

Afternoon temperatures at the 9,000 foot elevation are expected to
be near 70 to 75 degrees Wednesday through Friday. Morning low
temperatures will also be well above the frost temperature of 37
degrees Wednesday through Saturday. Windy and very warm mountain
temperatures expected over the mountains on Thursday and Friday.

Accelerated snowmelt runoff will cause continued increases in
stream and river levels through Saturday and Sunday. Very high flows
are expected along creeks and rivers over the Wind, Green, Shoshone,
and Sweetwater Basins by the weekend. Flooding of low lying areas will
become more severe and widespread along creeks and rivers by the end
of the week.

The Little and Big Wind Rivers are expected to crest by this weekend.
Peak stage at the Big Wind River at Riverton is expected to be near 12.1
feet which will be above the record peak stage of 11.8 feet set in July
of 2011. The Little Wind River near Riverton is still expected to peak below
the record stage of 11.9 feet set in 2010. The Snake River near
Jackson is expected to crest near 26,000 cubic feet per second (cfs) by this
weekend---which will be the second highest peak flow since 1976. Peak flow of
17,500 cfs is expected at the Green River near LaBarge by Monday morning
of next week--which makes it the third highest flow recorded since 1947.