Area Forecast Discussion
Issued by NWS Riverton, WY

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FXUS65 KRIW 222035
AFDRIW

Area Forecast Discussion
National Weather Service Riverton WY
235 PM MDT Sat Jul 22 2017

.SHORT TERM...(This evening through Tuesday)
Issued at 240 PM MDT Sat Jul 22 2017

Colder, drier and more stable air to the area tonight through Sunday.
Isolated showers and thunderstorms may develop over the mountains
Sunday afternoon and evening.  As high pressure builds up from the
Great Basin, temperatures will warm and moisture will move into the
area supporting increased showers and isolated thunderstorms.  A
Pacific low pressure trough will approach the west on Tuesday
bringing increased showers and thunderstorms on Tuesday.  Much of the
western and northern mountains should see rainfall through Tuesday
night.

.LONG TERM...(Tuesday night through Saturday)
Issued at 240 PM MDT Sat Jul 22 2017

Temperatures will cool as showers and thunderstorms and a cold front
pass across the area Tuesday night and Wednesday.  Drying with cooler
temperatures will be over the area on Thursday.  Warming with increased
showers and thunderstorms is expected Friday through Saturday.

&&

.AVIATION...(For the 18Z TAFS through 18Z Sunday afternoon)
Issued at 240 PM MDT Sat Jul 22 2017

VFR conditions will continue through the forecast period. Winds will
remain relatively light. KRKS will experience veering winds through
tonight along with northeast winds at 9 to 17 knots this evening.
Smoke from the June Wildfire could occasionally reduce the
visibility down to MVFR at KCOD, especially between 19z this
afternoon and 02z this evening today, and again Sunday during the
same time frame, during and a little after the peak burn periods.
Elsewhere, a general haze due to drift smoke from other ongoing
wildfires in Montana will produce just a general haze. Sunday could
feature isolated afternoon thunderstorms.

&&

.FIRE WEATHER...
Issued AT 240 PM MDT Sat Jul 22 2017

Colder, drier and more stable air to the area tonight through Sunday.
Isolated showers and thunderstorms may develop over the mountains
Sunday afternoon and evening.  As high pressure builds up from the
Great Basin, temperatures will warm and moisture will move into the
area supporting increased showers and isolated thunderstorms.  A
Pacific low pressure trough will approach the west on Tuesday
bringing increased showers and thunderstorms on Tuesday.  Much of the
western and northern mountains should see rainfall through Tuesday
night.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SHORT TERM...Baker
LONG TERM...Baker
AVIATION...Lipson
FIRE WEATHER...Baker


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