136  
NZUS99 KBOI 210231  
TXTSFD  
 
IDAHO STATE FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
831 PM MDT TUE OCT 20 2026  
 
WEDNESDAY WILL CONTINUE TO SEE WARMER THAN NORMAL TEMPERATURES. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS WILL RETURN WEDNESDAY AHEAD OF A LOW  
PRESSURE SYSTEM. THIS SYSTEM WILL MOVE ACROSS THE STATE WEDNESDAY NIGHT THROUGH  
FRIDAY, BRINGING WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS. STORMS WILL BE  
CAPABLE OF GUSTY WINDS AND HEAVY RAIN. MUCH COOLER TEMPERATURES AND GUSTY  
WINDS WILL ARRIVE ON FRIDAY BEHIND A COLD FRONT. LIGHT SNOW ACCUMULATIONS ARE  
POSSIBLE ON MOUNTAIN PEAKS ALONG THE FRONT. DRIER AND SLIGHTLY WARMER  
TEMPERATURES WILL RETURN FOR THE WEEKEND AND INTO EARLY MONDAY.  
 
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