WWUS75 KBOI 181944
NPWBOI

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
144 PM MDT Mon May 18 2026

IDZ016-191400-
/O.NEW.KBOI.FR.Y.0001.260519T1000Z-260519T1400Z/
Western Magic Valley-
Including the cities of Twin Falls
144 PM MDT Mon May 18 2026

...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM MDT TUESDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Western Magic Valley.

* WHEN...From 4 AM to 8 AM MDT Tuesday.

* 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.

&&

$$

NF