Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 220957
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
257 AM MST Mon Jan 22 2018

.DISCUSSION...(Today Through Sunday)
Issued at 250 AM MST Mon Jan 22 2018

Water Vapor shows upper low over north central Kansas. Best lift
in deformation zone now south and east of the forecast area,
with snow ending across Todd/Tripp counties. Have dropped
remaining headlines.

Weak shortwave in northwest flow may bring some light snow to
portions of northeast Wyoming and the Black Hills tonight. Upper
level ridge builds across the northern plains through the middle
of the week, with dry weather and warm temperatures...with some
50s expected by Thursday. Next upper trof crosses the northern
plains Friday-Saturday and will bring next chance
precipitation.

&&

.AVIATION...(For the 06Z TAFS Through 06Z Monday Night)
Issued At 1027 PM MST Sun Jan 21 2018

IFR conditions with snowfall will continue across south central
SD into early Monday, with local areas of LIFR. Conds will begin
to improve there late Monday morning. VFR conds elsewhere most of
the period. Another impulse will bring some light snow to NE WY
Monday evening, with MVFR (local IFR) conds possible there.

&&

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

$$

DISCUSSION...7
AVIATION...JC


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