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Extreme Heat Warning
ActiveSan Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; San Bernardino County Mountains; Riverside County Mountains; Santa Ana Mountains and Foothills
Starts
Ends
Issued
Severity
Severe
Urgency
Expected
Certainty
Likely
Details
* WHAT...Hot and humid conditions with elevated overnight temperatures in the upper 60s to mid-70s. High temperatures in the 90s for inland Orange County and in the mountains below 6000 feet, in the mid 90s to 104 in the San Diego County valleys, and in the upper 90s to 108 for the Inland Empire expected.
* WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, San Gorgonio Pass near Banning, and Santa Ana Mountains and Foothills.
* WHEN...From 10 AM Wednesday to 8 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events. Those spending long periods outdoors will be at greater risk for heat health impacts.
Data from the National Weather Service
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