084  
FXUS65 KPIH 251413  
AFDPIH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE POCATELLO ID  
813 AM MDT TUE APR 25 2017  
   
UPDATE
 
ADJUSTED SNOW LEVELS LOWER TO AROUND 5000 FEET  
ELEVATION IN THE UPPER SNAKE HIGHLANDS AND THE EAST SIDE OF THE  
UPPER SNAKE PLAIN. OBSERVATIONS ARE SEEING AROUND A HALF INCH OF  
SNOW IN THE REXBURG AREA. RS  
 

 
   
PREV DISCUSSION
 
/ISSUED 341 AM MDT TUE APR 25 2017/  
 
SHORT TERM...TODAY THROUGH THURSDAY. A LOW PRESSURE SYSTEM OVER  
WYOMING WILL BRING LIGHT VALLEY RAIN AND MOUNTAIN SNOW OVER THE  
EASTERN HIGHLANDS EXTENDING SLIGHTLY INTO THE EASTERN SNAKE RIVER  
PLAIN TODAY. THE NEXT STRONG SURGE OF MOISTURE WILL MOVE OVER THE  
AREA ON WEDNESDAY. LOWER ELEVATIONS WILL RECEIVE .15 TO .30  
INCHES OF RAIN WITH HIGHER ELEVATIONS RECEIVING .30 TO .50 INCHES  
OF PRECIPITATION. ELEVATIONS ABOVE 6000 FEET WILL RECEIVE 3 TO 6  
INCHES OF SNOW. SLUSHY SNOW WILL BRIEFLY GET DOWN AS LOW AS 5000  
FEET IN SOME AREAS, PARTICULARLY WEDNESDAY MORNING. EXPECT  
MODERATE TO STRONG WINDS WEDNESDAY INTO THURSDAY AS WELL. MODELS  
CONTINUE TO SHOW A WEAK LOW DROPPING OVER OUR NORTHEAST AREAS ON  
FRIDAY. THE ADDITIONAL PRECIPITATION WILL LIKELY PUT THE PORTNEUF  
RIVER BACK TO MODERATE FLOOD STAGE BY LATE WEDNESDAY. THE BEAR  
RIVER WILL REMAIN ELEVATED AND AN INCREASE IS EXPECTED, POSSIBLY  
NEAR MINOR FLOOD STAGE. THE CURRENT MINOR FLOODING WILL INCREASE  
SLIGHTLY THROUGH THE PERIOD FOR THE BEAR RIVER FROM MONTPELIER TO  
THE BORDER OF WYOMING. THE SNAKE RIVER AT BLACKFOOT WILL LIKELY  
APPROACH MINOR FLOOD STAGE IF NOT REACH IT, PARTICULARLY WITH THE  
INCREASED RELEASES FROM THE PALISADES RESERVOIR TODAY. EXPECT  
BELOW NORMAL TEMPERATURES THROUGH THE PERIOD.  
 
WYATT  
 
LONG TERM...FRIDAY THROUGH TUESDAY.  
 
THE MAIN LOW PRESSURE AREA WILL MOVE INTO THE GREAT PLAINS ON  
FRIDAY. HOWEVER, QUITE A BIT OF MOISTURE WILL CONTINUE TO POUR INTO  
THE BACK SIDE OF THE LOW. SO FRIDAY REMAINS UNSETTLED WITH RAIN/SNOW  
SHOWERS STILL POSSIBLE FOR MUCH OF THE AREA. SOMEWHAT DRIER WEATHER  
SETTLES IN FOR THE WEEKEND. MOIST NORTHWEST FLOW WILL CONTINUE SO  
THERE'S STILL A THREAT FOR SHOWERS ESPECIALLY IN THE HIGH COUNTRY.  
TEMPS MAY REBOUND SOME, PERHAPS FLIRTING WITH NEAR NORMAL TEMPS OVER  
THE WEEKEND. LOOKS LIKE ANOTHER SYSTEM ARRIVES EARLY NEXT WEEK AND  
WILL BRING ANOTHER ROUND OF WET WEATHER TO THE REGION.  
 
VALLE  
 
AVIATION...A LOW PRESSURE SYSTEM OVER WYOMING WILL CONTINUE TO  
PRODUCE A THREAT FOR SHOWERS AND LOW CEILINGS OVER THE AREA. BEST  
CHANCES ARE FOR PIH, IDA AND DIJ. EXPECT BRISK CONDITIONS TODAY AS  
WELL.  
 
NOTE: WE CONTINUE TO ADVERTISE AMD NOT SKED FOR KDIJ DUE TO NO DATA  
COMING FROM THE OBSERVATION SITE THERE. NWS IS NOT RESPONSIBLE FOR  
MAINTAINING THE SENSOR THERE, SO WE ARE NOT SURE WHEN THAT WILL BE  
RESOLVED.  
 
VALLE  
 

 
   
PIH WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
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