Area Forecast Discussion
Issued by NWS Riverton, WY

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FXUS65 KRIW 250453
AFDRIW

Area Forecast Discussion
National Weather Service Riverton WY
1050 PM MDT SAT SEP 24 2016

.Short Term...Tonight Through Sunday

Areas of rain...with snow above 8500 feet will diminish through
the night with partial clearing from west to east. With clearing
areas of valley fog along rivers and lakes is expected lasting
through the morning. Clearing will be more complete through
sunday afternoon with warming.

.Long Term...Sunday night Through Saturday

Some valley fog is expected to form along rivers and lakes Sunday
night and Monday morning. Clearing will continue with warming on
Monday. High pressure will bring warming with mostly clear
conditions through Wednesday. Some mid and upper level moisture
will move north from the great basin bringing a chance of mountain
showers to the west Wednesday night.  More moisture will move up
across the west Thursday with morning showers and afternoon and
evening thunderstorms expected with continued warming. The threat
of showers and thunderstorms will increase from west to east
Friday and saturday with generally mild temperatures.

&&

.Aviation.../06Z Issuance/

As the upper level low moves to the NE into the Dakotas tonight,
clearing has begun from west to east across the area, and showers
have essentially dissipated except for light activity around the
Bighorn mountains.  These light showers should finish up by 14Z
Sunday with the mountains remaining obscured.  Wind has also
decreased this evening and should remain light overnight.  Fog is
likely to develop between 09z and 11z Sunday in some locations due
to recent precipitation and clearing skies, and continue through
midmorning. Locations not certain though, so VCFG has been included
in forecast for some TAF sites. Other than possible fog for MVFR to
IFR conditions, VFR conditions are expected for the next 24 to 30
hours. Sunday will bring continued scattered mid level ceilings to
northern WY in NW flow. Some gusts over 15 knots are possible with
west wind across southern WY Sunday afternoon.

&&

.Fire Weather...

Areas of rain...with snow above 8500 feet will diminish through
the night with partial clearing from west to east. With clearing
areas of valley fog along rivers and lakes is expected lasting
through the morning. Clearing will be more complete through
sunday afternoon with warming. Some valley fog is expected to form
along rivers and lakes Sunday night and Monday morning. clearing
will continue with warming on Monday.

&&

.RIW Watches/Warnings/Advisories...None.

&&

$$

SHORT TERM...C.Baker
LONG TERM...C.Baker
AVIATION...McDonald
FIRE WEATHER...C.Baker



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