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fxus63 kunr 220949 
afdunr 


Area forecast discussion for western South Dakota and northeastern Wyoming 
National Weather Service Rapid City South Dakota 
250 am MST Sat Nov 22 2008 


Discussion...09z surface analysis shows low pressure centered over 
eastern South Dakota...moving slowly east. Drier air moving in from 
the west has cleared the stratus out of northeastern Wyoming and far 
western South Dakota. Expect to see clearing over our eastern by 
midday. Weak upper level ridge building into the area will bring 
warmer temperatures...with highs reaching the middle 40s to lower 50s 
over northeastern Wyoming and southwestern South Dakota. 
Temperatures will be cooler in the snow covered areas of 
northwestern and north central South Dakota with highs in those 
areas expected to reach the middle to upper 30s. A weak shortwave will 
cross the northern plains on Sunday...bringing slightly cooler 
temperatures and a slight chance of snow showers to portions of 
northeastern Wyoming...the Black Hills and southwestern South Dakota. 


Extended...an upper level ridge will build over the area for Monday 
and into the middle of the upcoming work week. This will bring dry 
conditions along with above average temperatures. 


&& 


Aviation...areas of snow will continue to push east across the area 
this afternoon into the evening. IFR/MVFR conditions will increase 
to VFR conditions tonight as the precipitation departs the area. VFR 
conditions will continue through Saturday. 


&& 


Unr watches/warnings/advisories... 
South Dakota...none. 
Wyoming...none. 


&& 


$$