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Alerts from NWS San Diego CA (UNOFFICIAL) @san.nws-bot.us · 04/10/2026

🚨 Extreme Heat Warning issued October 4 at 4:28AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA 🚨 Additional Details Here. (1/2)

* WHAT...Dangerously hot conditions with high temperatures ranging
from the mid 80s to mid 90s at the beaches to the mid 90s to low
100s for the mesas. Nights will be very warm with low temperatures
mostly in the 70s.

* WHERE...San Diego County Coastal Areas.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 103 and warm nights with low temperatures in the low
to mid 70s expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 103 and warm nights with low temperatures in the lower
to mid 70s expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* WHAT...Dangerously hot conditions with temperatures up to 100 and
warm nights with lows in the low to mid 70s.

* WHERE...Santa Ana Mountains and Foothills.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

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