Area Forecast Discussion
Issued by NWS Riverton, WY

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FXUS65 KRIW 260539 AAA
AFDRIW

Area Forecast Discussion...UPDATED
National Weather Service Riverton WY
1139 PM MDT SUN SEP 25 2016

.UPDATE...Added 06z aviation discussion.

&&

Aviation.../06Z Issuance/

VFR conditions with unlimited ceilings will prevail through 12z
Tuesday. However, patchy fog or isolated lower IFR-LIFR ceilings may
partially obscure western valleys (vicinity KJAC-KBPI-KPNA) and
lower river basins across central Wyoming 11z-16z Monday.  Winds
will be generally light at 10 knots or less.

&&

.PREV DISCUSSION... /issued 237 PM MDT SUN SEP 25 2016/

Short Term...Tonight Through Monday

Dry high pressure will be over the area tonight and Monday.
With most areas having very wet ground...expect areas of fog
to develop tonight and linger into late morning in the
valleys and basins...especially along rivers and lakes.
Overall winds will be light. Temperatures will warm on Monday.

Long Term...Monday Night Through Sunday

Dry and warmer weather with generally light wind will continue
through midweek. Some moisture will move north from the great
basin Late Wednesday with some mountain showers developing.
Thursday will see an increase in showers and isolated
thunderstorms in the west spreading north and east through the
evening.  Overall warming will continue.   Southwest winds will
increase.  Scattered showers and isolated thunderstorms...most
numerous in the mountains will continue Friday...Saturday and
Sunday with generally mild temperatures and breezy to windy
southwest winds as a Pacific low pressure trough moves slowly
east across the pacific Northwest into the Northern Rockies.

Aviation.../00Z Issuance/

With high pressure in control of the weather through Monday, VFR
conditions are expected through 00Z Tuesday. Winds should remain
light to moderate at all TAF sites.

Fire Weather...

Dry high pressure will be over the area tonight and Monday.
With most areas having very wet ground...expect areas of fog
to develop tonight and linger into late morning in the
valleys and basins...especially along rivers and lakes.
Overall winds will be light.  Temperatures will warm on Monday.
Dry and warmer weather with generally light winds will continue
through Wednesday

&&

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

$$

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


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