closegps_fixed
Elev 699 ft, 33.13 °N, 117.19 °W

San Marcos, CA Severe Weather Alertstar_ratehome

icon60 Â°F San Elijo Hills Station|Report|Change
Current Station
Personal Weather Station
Location: San Marcos, CA
Elevation: 699ft
Nearby Weather Stations

Active Weather Alerts

Heat Advisory
Issued: 4:14 AM Mar. 18, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...

* WHAT...High temperatures in the 90 to 100 degrees.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Hot temperatures may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

Local Radar
Local Radar ImageLocal Severe Image