769  
NZUS99 KBOI 210230  
TXTSFD  
 
IDAHO STATE FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
830 PM MDT SUN SEP 20 2026  
 
HIGH PRESSURE BUILDING OVER THE REGION WILL CONTINUE SUNNY AND WARMER THAN  
NORMAL CONDITIONS THROUGHOUT THE WEEK. A WEAK LOW PRESSURE SYSTEM WILL BRING A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS SOUTH AND EAST TUESDAY THROUGH  
WEDNESDAY. WARM AND DRY CONDITIONS WILL PERSIST THURSDAY THROUGH FRIDAY, BEFORE  
A COLD FRONT RETURNS CHANCES OF PRECIPITATION AND COOLER CONDITIONS STATEWIDE  
LATE FRIDAY THROUGH SATURDAY.  
 
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