Flood Potential Outlook
Issued by NWS Riverton, WY

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FGUS75 KRIW 141635
Hydrologic Outlook
National Weather Service Riverton WY
1035 AM MDT Sun May 14 2017

...High flows along small streams and creeks will continue
through Monday...

...Several mainstem rivers will continue to flow at bankfull
levels through early Tuesday...

...Rain Wednesday afternoon through Thursday morning will increase
flood potential...

Afternoon temperatures at 9000 feet are forecasted to into the lower
to middle 50s Sunday through Tuesday.  Decreased rate of snowmelt runoff
will continue through the middle of the week.

High flows along small creeks and streams will continue through Monday.
Main stem rivers like the Big Wind, Little Wind, Green, Sweetwater,
and the South Fork of the Shoshone are expected flow at or above
bankfull levels through early Tuesday. The high flows will cause
minor flooding of low lying areas.

Rain is expected Wednesday afternoon through early Thursday morning.
At this time, the heaviest rain is forecasted to be over the Big Horn
and Shoshone Basins.  There is may be as much as 1 to 2 inches of
rain over the basins with 2 to 3 inches over the mountains.
Snow levels will begin at 9000 feet on Wednesday afternoon lowering
to 8000 to 8500 feet by Thursday morning. Precipitation is expected
to mostly all snow by Thursday afternoon. Flood potential will
greatly increase with the rainfall expected.

High river flows will cause unstable river banks. Keep small children
and pets away from potentially unstable river banks.

Graphical forecasts are available at:
Visit weather.gov/riverton and select the rivers & lakes tab for
graphical forecasts and additional information.


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