940  
FXUS65 KBOI 240955  
AFDBOI  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
255 AM MST MON FEB 24 2020  
   
SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT
 
COLD NORTHWESTERLY  
FLOW TODAY WILL BRING COOLER AND BREEZY CONDITIONS WITH SNOW  
SHOWERS IN THE WEST CENTRAL MOUNTAINS OF IDAHO. SHOWERS WILL  
DIMINISH BY EVENING. DRY CONDITIONS AND LIGHT WINDS EXPECTED  
TUESDAY. A WEAK SHORTWAVE PASSAGE ON WEDNESDAY COULD BRING A FEW  
SNOW SHOWERS TO THE WEST CENTRAL MOUNTAINS. TEMPERATURES WILL BE A  
FEW DEGREES BELOW NORMAL TODAY. NEAR NORMAL TEMPERATURES EXPECTED  
BY WEDNESDAY.  
   
LONG TERM...THURSDAY THROUGH MONDAY
 
NORTHWEST FLOW ALOFT ON  
THURSDAY WILL TRANSITION TO SOUTHWEST FLOW ON FRIDAY AS AN UPPER  
RIDGE MOVES THROUGH THE REGION, RESULTING IN DRY CONDITIONS AND A  
WARMING TREND. TEMPERATURES WILL BE AROUND 5 DEGREES ABOVE NORMAL ON  
THURSDAY AND AROUND 10 DEGREES ABOVE NORMAL ON FRIDAY, WITH LOWER-  
VALLEY HIGHS IN THE UPPER 50S TO LOWER 60S FRIDAY. AN UPPER TROUGH  
WILL EXPAND AS IT ENTERS THE WESTERN US NEXT WEEKEND, PROVIDING OUR  
AREA WITH A CHANCE OF SHOWERS BY SUNDAY. TEMPERATURES WILL COOL TO  
NEAR NORMAL ON SUNDAY AND SNOW LEVELS WILL LOWER TO AROUND 4000  
FEET. THE TROUGH IS EXPECTED TO MOVE EAST OF THE AREA ON MONDAY AS  
MOISTURE STARTS TO SPREAD BACK INTO THE PACIFIC NORTHWEST. MOST OF  
OUR AREA IS EXPECTED TO REMAIN DRY ON MONDAY WITH JUST A SLIGHT  
CHANCE OF SHOWERS IN BAKER COUNTY AND CENTRAL IDAHO. TEMPERATURES  
REMAIN NEAR NORMAL.  
 

 
   
AVIATION
 
WIDESPREAD VFR. SCATTERED MVFR SNOW SHOWERS OVER THE  
WEST CENTRAL AND BOISE MOUNTAINS THROUGH THE AFTERNOON. SURFACE  
WINDS NORTHWEST 5-15 KTS WITH GUSTS TO AROUND 20 KTS. WINDS ALOFT AT  
10K FT MSL: NORTHWEST 30-45 KTS.  
 

 
   
BOI WATCHES/WARNINGS/ADVISORIES
 
 
ID...NONE.  
OR...NONE.  
 

 
 

 
 
WWW.WEATHER.GOV/BOISE  
WWW.FACEBOOK.COM/NWSBOISE  
WWW.TWITTER.COM/NWSBOISE  
 
SHORT TERM...JDS  
LONG TERM....BW  
AVIATION.....BW  
 
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