Elev 256 ft, 38.51 °N, 122.47 °W

Saint Helena, CA Severe Weather Alertstar_ratehome

icon41 °F St. Helena Station|Report|Change

Active Weather Alerts

Frost Advisory
Issued: 5:30 AM Feb. 28, 2024 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM PST
WEDNESDAY...

* WHAT...Temperatures as low as 36 will result in frost
formation.

* WHERE...Sonoma Coastal Range, North Bay Interior Mountains and
North Bay Interior Valleys.

* WHEN...From 2 AM to 9 AM PST Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if
left uncovered.

* ADDITIONAL DETAILS...These temperatures will be hazardous to
sensitive populations such as unhoused individuals.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

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