NewsExtreme Heat Warning issued October 4 at 9:10PM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
* WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 105 and warm nights with low temperatures in the upper 60s to mid 70s. * 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.