293  
AWUS81 KLWX 210500  
RWSLWX  
DCZ001-MDZ003>006-008-011-013-014-016>018-501>510-VAZ025>031-  
036>040-050-051-053>057-501>508-526-527-WVZ050>053-055-501>506-  
212000-  
 
REGIONAL WEATHER SUMMARY  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
100 AM EDT MON SEP 21 2026  
 
HERE IS A LOOK AT THE WEATHER FEATURES THAT WILL AFFECT THE REGION  
OVER THE NEXT SEVERAL DAYS.  
 
A STRONG AREA OF HIGH PRESSURE WILL BUILD TO OUR NORTH TODAY AND  
REMAIN IN PLACE THROUGH MUCH OF THE WEEK, LEADING TO A PROLONGED  
PERIOD OF ONSHORE FLOW. DAILY SHOWER CHANCES CAN BE EXPECTED AS  
WAVES OF LOW PRESSURE TRACK ALONG A STALLED OUT BOUNDARY TO OUR  
SOUTH. THE MARINE INFLUENCED AIR MASS WILL RESULT IN LOW OVERCAST  
AND WELL BELOW NORMAL HIGH TEMPERATURES.  
 

 
 
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