576  
FXUS65 KMSO 110954  
AFDMSO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MISSOULA MT  
354 AM MDT FRI JUL 11 2025  
   
DISCUSSION
 
 
KEY MESSAGES:  
 
- WARMING TREND FRIDAY INTO THE WEEKEND, WITH MODERATE HEAT RISK  
IMPACTS ACROSS LOW ELEVATIONS OF CENTRAL IDAHO  
 
- NEXT SYSTEM ARRIVES MONDAY INTO TUESDAY, WITH POTENTIAL FOR  
BACKDOOR COLD FRONT, NORTHEAST WINDS, AND RECREATION IMPACTS.  
 
A RIDGE OF HIGH PRESSURE WILL BE BUILDING ACROSS THE PACIFIC  
NORTHWEST CAUSING A WARMING AND DRYING TREND FOR THE REGION.  
SUNDAY STILL APPEARS TO BE THE WARMEST DAY AS AFTERNOON  
TEMPERATURES WILL BE RUNNING AROUND 10 DEGREES ABOVE SEASONAL  
AVERAGES. ONCE AGAIN THE LOW VALLEYS OF NORTH CENTRAL IDAHO FROM  
OROFINO TO RIGGINS WILL BE EXPERIENCING MODERATE HEAT RISKS AS  
HIGHS WILL BE IN THE TRIPLE DIGITS AND OVERNIGHT TEMPERATURES  
STRUGGLING TO DROP BELOW 70 DEGREES.  
 
THE MODELS CONTINUE TO TREND TOWARDS A SIGNIFICANT DISTURBANCE  
DROPPING OUT OF BRITISH COLUMBIA INTO THE NORTHERN ROCKIES MONDAY  
INTO TUESDAY. THIS DISTURBANCE WILL BRING TEMPERATURES AROUND 10  
DEGREES BELOW AVERAGE BY TUESDAY ALONG WITH GUSTY NORTHEASTERLY  
WINDS. THE LATEST CONSENSUS OF THE MODELS ARE SHOWING  
PRECIPITATION ACROSS MUCH OF WESTERN MONTANA. AROUND 30% OF THE  
MODEL CLUSTERS ARE SHOWING A CLOSED LOW PUSHING INTO THE REGION  
WHICH WOULD CAUSE THE MAJORITY OF THE REGION TO RECEIVE  
PRECIPITATION WITH EVEN THE HIGHER ELEVATIONS OF GLACIER NP  
POTENTIALLY RECEIVING SNOW BY TUESDAY MORNING.  
 
A WARMING AND DRYING TREND DEVELOPS QUICKLY OVER THE REGION BY THE  
MID TO LATTER PART OF NEXT WEEK AS A RIDGE BUILDS OVER THE AREA.  
 

 
   
AVIATION
 
A RIDGE WILL BE BUILDING OVER THE REGION TODAY CAUSING  
FAIR FLYING CONDITIONS. THE WINDS ARE ANTICIPATED TO BE RELATIVELY  
LIGHT WITH A WESTERLY COMPONENT DURING THE AFTERNOON HOURS. A FEW  
FAIR WEATHER CUMULUS CLOUDS ARE EXPECTED TO DEVELOP THIS AFTERNOON  
AND BE MAINLY CONFINED OVER THE TERRAIN. BOTH THE WIND AND CLOUDS  
WILL DIMINISH AFTER SUNSET THIS EVENING.  
 

 
   
MSO WATCHES/WARNINGS/ADVISORIES
 
 
MT...NONE.  
ID...NONE.  

 
 

 
 
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