596  
NZUS99 KBOI 191454  
TXTSFD  
 
IDAHO STATE FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
854 AM MDT FRI JUN 19 2026  
 
HOT AND DRY FRIDAY WITH HIGH TEMPERATURES ABOUT 10 DEGREES ABOVE NORMAL.  
ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER SOUTHWEST  
IDAHO FRIDAY EVENING, AND SPREAD INTO CENTRAL IDAHO SATURDAY. LOCALLY HEAVY  
RAIN IS POSSIBLE OVER THE CENTRAL IDAHO MOUNTAINS SATURDAY AFTERNOON AND  
EVENING. 10 TO 15 DEGREES COOLER SATURDAY AND SUNDAY. DRY AND WARMING  
CONDITIONS WILL RETURN MONDAY THROUGH WEDNESDAY, WITH WEDNESDAY THE HOTTEST  
DAY OF THE YEAR SO FAR AND A MODERATE HEATRISK. BREEZY IN SOUTHERN IDAHO  
SUNDAY, AND AGAIN LATER WEDNESDAY AND THURSDAY.  
 
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