Frost Advisory

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