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284
FXUS63 KUNR 251650
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
1050 AM MDT Mon Sep 25 2017

.DISCUSSION...(Today Through Sunday)
Issued at 254 AM MDT Mon Sep 25 2017

Water vapor shows compact low lifting through Wyoming, bringing
showers to northeast Wyoming/western South Dakota. Temperatures
cold enough for snow in the higher elevations of the Black Hills.
Could be a light dusting of snow in the higher Black Hills over
the next few hours. The low lifts into western North Dakota by
this evening. The best chance of precipitation will be this
morning for northeast Wyoming into western South Dakota, with
higher pops in to south central South Dakota this evening.
Decreasing clouds tonight with isolated showers lingering. With
some clearing and light winds, patchy frost expected across
northeast Wyoming into far southwest South Dakota.

Dry northwest flow across the area through Thursday, with weak
ridging in split flow for the end of the week. Dry weather
expected for the remainder of the week with temperatures
returning to near average for the last half of the week.

&&

.AVIATION...(For the 18Z TAFS Through 18Z Tuesday)
Issued At 1047 AM MDT Mon Sep 25 2017

Widespread MVFR/IFR conditions will continue with local LIFR
conditions around the Black Hills area. Conditions will then
gradually improve to VFR this evening and overnight as precip ends
and clouds clear out. VFR conditions are then expected through
the rest of the forecast period.

&&

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

$$

DISCUSSION...7
AVIATION...Pojorlie