Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 260849

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
249 AM MDT Wed Oct 26 2016

.SHORT TERM...(Today Through Thursday Night)
Issued at 249 AM MDT Wed Oct 26 2016

Upper ridging will rebuild into the northern Plains today and
Thursday. Surface high will cross the Dakota later today into
tonight with winds remaining relatively light. Weak southwest low
level flow will temps that are near to slightly warmer than
yesterday with highs reaching the mid 60s to mid 70s. sunny skies
today will continue with clear skies tonight. Lows will drop into
the 40s. More quiet weather expected Thursday as the upper ridge
axis crosses the region. Stronger southwest flow ahead of a surface
low across eastern Montana will bring warmer temps to the area.
Highs will reach into the 70s to low 80s with the warmest spots
across southwest to south central South Dakota. Lows Thursday night
will drop into the mid 40s to mid 50s.

.LONG TERM...(Friday Through Tuesday)
Issued at 249 AM MDT Wed Oct 26 2016

The broad upper ridge will persist over the western two-thirds of
the CONUS on Thursday and Friday, with dry weather expected. Near
record high temperatures are possible over some areas on Thursday,
with slightly cooler highs on Friday as a cold front crosses the
area followed by gusty northwest winds. A shortwave combined with
low and mid level cold advection will bring a chance of showers on
Friday night and Saturday. The cooler air flowing into the region
will make Saturday the coolest day, although temperatures will
still be around average for this time of year. The upper ridge
will rebound behind the departing shortwave, with dry weather and
warmer temperatures on Sunday. Another shortwave trough will bring
more chances of showers from Sunday night through Monday with only
a slight cooldown in temperatures.


.AVIATION...(For the 12Z TAFS Through 12Z Thursday Morning)
Issued At 249 AM MDT Wed Oct 26 2016

VFR conditions will continue today and tonight.




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