Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 272326

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
526 PM MDT Tue Sep 27 2016

.SHORT TERM...(This Evening Through Wednesday Night)
Issued at 147 PM MDT Tue Sep 27 2016

Deep closed low will remain in place over the great lakes with nw
conus troughing ongoing. This will support mean ridging with
associated waa over the northern plains under dry nw flow and no
sig wx in the period. Dry weather can be expected with fairly
light nw winds through the period. Rotating Fujiwara like impulse
will support a weak backdoor cold front into the fa tonight. The
only affect from this system will be to moderate temps most areas
for Wed, with about a 5-10 degree knock down over the eastern
half. Otherwise, winds will be light easterly wed, becoming gusty
se wed night far west as pressure falls ensue over the region once

.LONG TERM...(Thursday Through Tuesday)
Issued at 147 PM MDT Tue Sep 27 2016

Upper ridge axis will cross the region Thursday,
with southwest flow developing. Warm and mainly dry weather will
continue through Saturday, except for a few showers/storms possible
across the northwestern CWA with a weak wave Thursday night. A west
coast trough will begin to approach the region Sunday. Models have
disagreements on how this next system will cross the northern CONUS,
but cooler weather with increasing chances for precipitation are
expected toward the beginning of next week.


.AVIATION...(For the 00Z TAFS Through 00Z Wednesday Evening)
Issued At 525 PM MDT Tue Sep 27 2016

VFR conditions are expected through the forecast period.




LONG TERM...Pojorlie
AVIATION...Helgeson is the U.S. government's official web portal to all federal, state and local government web resources and services.