NewsExtreme Heat Warning issued October 3 at 9:40PM 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 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.