Flood Potential Outlook
Issued by NWS Billings, MT

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FGUS75 KBYZ 211803

1203 PM MDT Wed Mar 21 2018

Warming temperatures through Friday are expected to increase low
elevation snow melt. The potential for impacts from this melt will
increase as well, especially for areas east of Billings where the
snow pack is heaviest.

Water flowing overland and accumulating in low lying areas may
result in low land flooding, water flowing over roadways, and
basement flooding. Increased runoff from snowmelt moving into
creeks and streams will increase the potential for ice jam
flooding. In areas where ice jams are already occuring this could
increase flood waters or cause the ice jam to break up. Muddy
roads may strand vehicles and impede or cut off travel in some
rural areas.

The severity of these impacts will depend on the pace of the snow
melt. High temperatures Thursday and Friday are expected to be in
the lower 40s near the Dakota borders to around 60 degrees along
the Beartooth/Absaroka Foothills. Overnight lows Thursday night
across the lower elevations may stay above freezing for many
areas. Cooler temperatures are anticipated this weekend, slowing
the rate of snow and ice melt. High temperatures on Saturday will
be in the 40s to around 50 degrees across the lower elevations
with 30s and 40s for Sunday.

If preparations have not already been made, now is the time to
move equipment and livestock out of low lying areas, and away from
waterways. Move heavy accumulations of snow away from home
foundations, and take steps to prevent water making it into

Stay tuned to the forecast at www.weather.gov/billings for the
latest temperature trends. If flooding is observed, report it to
local law enforcement and ask them to pass it on to the National
Weather Service.


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