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Humboldt County Alerts
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Updated:March 26, 2026 4:30 am PDT

Frost Advisory FROST ADVISORY  
Humboldt County
Effective: Wed, 3/25 9:18pm Severity: Minor
Updated: March 26, 2026 4:30 am Urgency: Expected
Expires: Thu, 3/26 5:30am Certainty: Likely
Areas Affected: Coastal Del Norte - Northern Humboldt Coast
 
Alert Details: 
* WHAT...Temperatures as low as 36 will result in frost formation.

* WHERE...Del Norte and Northern Humboldt Coast.

* WHEN...From 4 AM to 8 AM PDT Thursday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

Information: 
Take steps now to protect tender plants from the cold.
Cold Weather Advisory COLD WEATHER ADVISORY  
Humboldt County
Effective: Wed, 3/25 9:18pm Severity:  Moderate 
Updated: March 26, 2026 4:30 am Urgency: Expected
Expires: Thu, 3/26 5:30am Certainty: Likely
Areas Affected: Southwestern Humboldt
 
Alert Details: 
* WHAT...Very cold wind chills as low as 25 expected.

* WHERE...Southwestern Humboldt.

* WHEN...Until 9 AM PDT Thursday.

* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure.