< California Frost Advisory | Effective 05/18/2026 01:46

California Frost Advisory | Effective 05/18/2026 01:46

Headline: 
Frost Advisory issued May 18 at 1:46AM PDT until May 18 at 8:00AM PDT by NWS Eureka CA
Event: 
Frost Advisory
Urgency: 
Expected
Effective: 
May 18, 2026 - 1:46am
Expires: 
May 18, 2026 - 8:00am
Description: 
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Trinity County, and Southern Humboldt. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Protected valleys may see local areas of frost for several hours this morning.
Instruction: 
Take steps now to protect tender plants from the cold.
Area Description: 
Southwestern Humboldt; Southeastern Interior Humboldt; Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity
Forcast Office: 
NWS Eureka CA