Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 261649
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
1049 AM MDT Tue Sep 26 2017

.DISCUSSION...(Today Through Monday)
Issued at 253 AM MDT Tue Sep 26 2017

Current surface map places high pressure across Montana into
western South Dakota. Compact upper low spinning across western
South Dakota with a few showers around the Black Hills into
southwest South Dakota. The low shifts eastward this morning, with
shower activity ending across the forecast area. Partly cloudy
skies expected this afternoon with temperatures slightly below
average.

Dry and warmer weather then expected the remainder of the work
week with weak ridging aloft. An upper low over the Desert
Southwest is then expected to lift northeast and get picked up by
the next upper trof spreading into the Pacific Northwest. This
will result a small chance of showers over the weekend followed by
cooler temperatures into early next week as trof moves into the
northern plains.

&&

.AVIATION...(For the 18Z TAFS Through 18Z Wednesday)
Issued At 1047 AM MDT Tue Sep 26 2017

Some lingering low clouds to the southwest of the Hills and also
across northwestern SD will gradually dissipate this afternoon.
Otherwise, VFR conditions are expected through the forecast
period.

&&

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

$$

DISCUSSION...7
AVIATION...Pojorlie


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