Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 221124
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
424 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 12Z TAFS Through 12Z Tuesday Morning)
Issued At 424 AM MST Mon Jan 22 2018

VFR conditions expected across much of the forecast area for
today and tonight. Lingering MVFR/IFR conditions across far south
central SD should move out of the area around 15Z. A few snow
showers are possible tonight across northeast WY and the Black
Hills with a weak disturbance. Brief MVFR/IFR conditions are
possible with any snow showers.

&&

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

$$

DISCUSSION...7
AVIATION...26



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