870
NZUS99 KBOI 150410
TXTSFD
IDAHO STATE FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
1010 PM MDT THU MAY 14 2026
SEASONABLE SPRING WEATHER WILL CONTINUE FRIDAY WITH LIGHT WINDS. A SIGNIFICANT
SHIFT OCCURS SATURDAY AS A POTENT UPPER-LEVEL TROUGH MOVES INTO THE PACIFIC
NORTHWEST, PUSHING DIRECTLY OVER IDAHO BY SUNDAY. THIS SYSTEM WILL USHER IN
UNSEASONABLY COLD AIR, WITH DAYTIME TEMPERATURES PLUNGING 10 TO 15 DEGREES
BELOW NORMAL STATEWIDE FOR THE LATTER HALF OF THE WEEKEND AND EARLY NEXT WEEK.
SCATTERED RAIN AND MOUNTAIN SNOW SHOWERS WILL ACCOMPANY THIS COLD FRONT, WITH
SNOW LEVELS POTENTIALLY DROPPING AS LOW AS 4,000 FEET IN THE CENTRAL AND
NORTHERN MOUNTAINS. AREAS OF FROST IN AGRICULTURAL AREAS OF IDAHO ARE POSSIBLE
ON MONDAY MORNING. WARMER AND DRIER CONDITIONS ARE EXPECTED TO RETURN BY THE
MIDDLE OF NEXT WEEK AS HIGH PRESSURE BUILDS BACK INTO THE REGION.
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