Flood Potential Outlook
Issued by NWS Billings, MT

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FGUS75 KBYZ 221711
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MTC009-067-095-097-111-241715-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
1111 AM MDT Thu Jun 22 2017

Warm temperatures over the past several days have resulted in
rapid snowmelt of the substantial snowpack above 8000 feet in the
Beartooth and Absaroka mountains. This snowmelt will continue to
flow into area rivers and streams resulting in high flows with
minor flooding expected.

The main rivers of impact will be the Clarks Fork of the
Yellowstone River, the Boulder River and the Stillwater River.
These particular rivers will have water levels running bankfull,
or very close to bankfull, through Saturday. The Yellowstone
River will be running high and fast too, but flooding should be
limited to low lying spots along the channel.

Smaller streams draining the Beartooth and Absaroka mountains may
also rise to near bankfull levels. Cooler temperatures Friday
into Sunday will allow snowmelt to subside and water levels to
fall into next week.

Those with interests along waterways draining the Beartooth and
Absaroka mountains should be prepared for rising water and
additional bank erosion issues. Floating and submerged hazards
will increase. Water recreationists should use extreme caution and
consider staying off the water until flows subside toward next
weekend. Hikers should not attempt to cross fast moving streams.
Please continue to keep children away from fast moving water, as
they can be swept away in an instant should they fall in. Keep up
with the latest forecast on our web page for any additional flood
warnings.

$$



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