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000
FXUS63 KUNR 280836
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
236 AM MDT Wed Sep 28 2016

.SHORT TERM...(Today Through Thursday Night)
Issued at 229 AM MDT Wed Sep 28 2016

Water vapor shows large upper low over the Great Lakes with ridge
over the nrn rockies/nrn plains. At the sfc, high is building
into the nrn plains/upper midwest.

Nice fall weather will continue through Thursday with upper ridge
in control. Temps today will be a bit cooler than yesterday given
ely bl flow with sfc high building into the nrn plains/upper
midwest. Temps a couple degrees warmer on Thursday as upper ridge
axis moves through the nrn plains. Gusty s/se winds expected on
Thursday as pressure gradient tightens between sfc high over the
upper midwest and advancing lee trof. As sw flow aloft returns
Thursday night, and embedded wave may bring a few storms to nern
WY and nwrn SD.

.LONG TERM...(Friday Through Tuesday)
Issued at 229 AM MDT Wed Sep 28 2016

Warm and mainly dry weather will continue through Saturday,
except for a few afternoon showers/storms possible across the
Black Hills. A west coast trough will begin to approach the region
Sunday. Models have disagreements on how this next system will
cross the northern CONUS along with the timing of this system, but
cooler weather with increasing chances for precipitation are
expected toward the beginning of next week.

&&

.AVIATION...(For the 12Z TAFS Through 12Z Wednesday Night)
Issued At 229 AM MDT Wed Sep 28 2016

VFR conditions are expected through the forecast period.

&&

.UNR WATCHES/WARNINGS/ADVISORIES...
SD...None.
WY...None.
&&

$$

SHORT TERM...Johnson
LONG TERM...13
AVIATION...13