Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 181724
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
1024 AM MST Sat Nov 18 2017

.DISCUSSION...(Today Through Friday)
Issued at 203 AM MST Sat Nov 18 2017

Water vapor shows upper trof shifting eastward into the Upper
Midwest with ridge building into the Northern Rockies. Surface
ridge building into the Northern Plains with breezy northwest
winds.

Upper ridge will dominate through the weekend with moderating
temps and dry weather. Breezy northwest winds today will diminish
this evening, with highs then well into the 50s on Sunday.

Fairly persistent upper ridge over the Rockies expected into the
end of next week with above average temps and dry conditions. The
only exception will be Tuesday when a strong upper wave diving
into the Upper Midwest pushes a cold front through the Northern
Plains.

Thanksgiving Day could see temps climbing into the 60s at some
locations.

&&

.AVIATION...(For the 18Z TAFS Through 18Z Sunday)
Issued At 1023 AM MST Sat Nov 18 2017

VFR conditions are expected through the forecast period. Midlevel
moisture overspreading the area from eastern MT will produce a SCT
to BKN deck of clouds through the afternoon, but cigs will remain
VFR. FEW to SCT cumulus with lower cigs should generally remain
near the Black Hills. Gusts out of the northwest could produce
some crosswind concerns this afternoon but should subside around
sunset.

&&

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

$$

DISCUSSION...Johnson
AVIATION...Sherburn



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