431  
NZUS99 KBOI 131113  
TXTSFD  
 
IDAHO STATE FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BOISE ID  
513 AM MDT FRI MAR 13 2026  
 
AN ATMOSPHERIC RIVER FROM THE PACIFIC IS FORECAST TO PERSIST THROUGH SATURDAY,  
BRINGING MODERATE TO HEAVY PRECIPITATION TO THE CENTRAL AND NORTHERN MOUNTAINS  
OF THE STATE. HIGH WINDS ARE POSSIBLE SATURDAY AS A COLD FRONT MOVES THROUGH,  
WITH VALLEY RAIN AND MOUNTAIN SNOW. DRYING AND COLDER SATURDAY NIGHT AND  
SUNDAY. WARM FRONT WILL BRING LIGHT RAIN AND SNOW TO CENTRAL AND NORTHERN  
SECTIONS SUNDAY NIGHT AND MONDAY MORNING, THEN CLEARING AND RAPIDLY WARMING  
LEADING TO RECORD HIGH TEMPERATURES TUESDAY THROUGH FRIDAY. RAPID RISES IN  
SMALL STREAMS, RIVERS, AND CREEKS IN THE CENTRAL AND NORTHERN PORTION OF THE  
STATE ARE POSSIBLE.  
 
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