California Severe Extreme Heat Warning | Effective 10/01/2026 20:59
* WHAT...Dangerously hot conditions with high temperatures ranging
from the mid 80s to lower 90s near the coast to the mid 90s to
around 100 for the mesas and other higher coastal terrain expected.
Nights will be very warm with low temperatures mostly in the lower
to mid 70s.
* WHERE...San Diego County Coastal Areas.
* WHEN...From 10 AM Friday to 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.