455  
FXUS65 KGGW 220955  
AFDGGW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GLASGOW MT  
355 AM MDT MON JUL 22 2019  
   
DISCUSSION
 
 
HIGH PRESSURE OVER THE NORTHERN PLAINS AND AN UPPER RIDGE BUILDING  
OVER THE ROCKIES WILL BRING HOT AND DRY WEATHER TO THE TREASURE  
STATE OVER THE NEXT FEW DAYS. AS THE RIDGE BUILDS TEMPERATURES  
WILL PUSH INTO THE 90S, PEAKING ON WEDNESDAY.  
 
A SHORTWAVE PUSHING THROUGH THE RIDGE WILL DEVELOP A LOW PRESSURE  
SYSTEM OVER ALBERTA ON WEDNESDAY. A LEE TROF/DRY LINE FEATURE WILL  
EXTEND SOUTH FROM THIS LOW INTO MONTANA, AND WILL PROVIDE A  
FOCUS FOR A FEW THUNDERSTORMS ON WEDNESDAY AFTERNOON OR EVENING AS  
IT LIFTS EAST.  
 
TEMPERATURES COOL SLIGHTLY ON THURSDAY WITH A COLD FRONT DIPPING  
SOUTH OF THE CANADIAN BORDER AND THE FLATTENING OF THE UPPER  
RIDGE. WINDIER CONDITIONS ARE ALSO EXPECTED.  
 
RIDGE REBOUNDS FOR THE END OF THE WEEK, ALTHOUGH NOT AS STRONGLY,  
FOR MORE HOT AND DRY WEATHER INTO THE WEEKEND. EBERT  
 

 
   
AVIATION
 
 
VFR CONDITIONS AS HIGH PRESSURE BRINGS CLEAR SKIES TO THE REGION.  
RISING TEMPERATURES INTO THE 90S OVER THE NEXT FEW DAYS WILL BE  
THE MAIN CHALLENGE FOR AVIATION INTERESTS.  
 

 
   
GLASGOW WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
WEATHER.GOV/GLASGOW  
 
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