686 
FXUS65 KCYS 110539
AFDCYS

Area Forecast Discussion
National Weather Service Cheyenne WY
1139 PM MDT Wed Oct 10 2018

.UPDATE...
Issued at 609 PM MDT Wed Oct 10 2018

Occasional light snow or flurries will continue this evening. The
Winter Weather Advisories were allowed to expire at 6 PM for much
of Carbon County and southwest Albany County.

&&

.SHORT TERM...(This evening through Friday night)
Issued at 223 PM MDT Wed Oct 10 2018

Tonight...Will continue the Winter Weather Advisory for much of our 
Carbon and Albany Counties through the afternoon, as light snow 
continues to fall there with a shortwave trough aloft passing 
overhead. Chances for light snow will decrease areawide this evening 
and end after midnight.

Thursday...An approaching shortwave trough aloft and cyclonic 
curvature will produce a chance of rain and snow showers mainly over 
our southern counties. A bit warmer.

Thursday night...As the shortwave trough aloft passes overhead, will 
see scattered rain and snow showers.

Friday...Dry and warmer with northwest flow aloft and limited low 
and mid level moisture.

.LONG TERM...(Saturday through Wednesday)
Issued at 223 PM MDT Wed Oct 10 2018

Saturday...Cooler again as another Canadian cold front passes from 
north to south and its associated shortwave trough aloft moves 
overhead, producing a chance of mainly snow showers.

Sunday...A cold end to the weekend in the wake of the cold front and 
with surface high pressure overhead. Snow chances should end in the 
morning as the shortwave trough aloft move to the south of our 
counties.

Monday...Dry and a bit warmer under northwest flow aloft, with 
downslope winds helping temperatures to rise well above freezing at 
lower elevations.

Tuesday/Wednesday...Ridging aloft slowly moves overhead with a 
warming trend continuing. No precipitation expected with lack of low 
and mid level moisture.

&&

.AVIATION...(For the 06Z TAFS through 06Z Thursday night)
Issued at 1128 PM MDT Wed Oct 10 2018

Some areas of fog will continue to affect areas along and east of
the Laramie Range overnight. Some of the fog may become quite
dense especially around KCYS late tonight, due to upslope effects
along the Cheyenne Ridge. The majority of the Nebraska TAF sites 
will experience MVFR ceilings will some potential for them to 
become IFR towards daybreak. Meanwhile, KRWL will remain mostly 
VFR while KLAR may see some patchy low ceilings towards daybreak.


&&

.FIRE WEATHER...
Issued at 223 PM MDT Wed Oct 10 2018

No concerns due to expected winds and humidities. 

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...None.
NE...None.
&&

$$

UPDATE...MAJ
SHORT TERM...RUBIN
LONG TERM...RUBIN
AVIATION...REC
FIRE WEATHER...RUBIN