858
WWUS75 KBOI 121725
NPWBOI
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
1125 AM MDT MON OCT 12 2026
IDZ012-014-016-ORZ064-131700-
/O.NEW.KBOI.FR.Y.0002.261013T0600Z-261014T1600Z/
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-WESTERN MAGIC VALLEY-
OREGON LOWER TREASURE VALLEY-
INCLUDING THE CITIES OF BOISE, CALDWELL, TWIN FALLS, NYSSA, NAMPA,
AND ONTARIO
1125 AM MDT MON OCT 12 2026 /1025 AM PDT MON OCT 12 2026/
...FROST ADVISORY IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/ TONIGHT TO
10 AM MDT /9 AM PDT/ WEDNESDAY...
* WHAT...LOW TEMPERATURES BETWEEN 33 AND 35 DEGREES TUESDAY AND
WEDNESDAY MORNINGS WILL RESULT IN FROST FORMATION. A 40% CHANCE
TEMPERATURES COULD FALL BELOW FREEZING, 30 TO 32 DEGREES, FROM
MOUNTAIN HOME THROUGH THE WESTERN MAGIC VALLEY ON WEDNESDAY
MORNING.
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHWEST IDAHO AND SOUTHEAST
OREGON.
* WHEN...FROM MIDNIGHT MDT /11 PM PDT/ TONIGHT TO 10 AM MDT /9 AM
PDT/ WEDNESDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
JDS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page