The National Weather Service office in San Diego is warning of a long heat wave beginning Sunday that will create critical fire conditions by Monday.
“Temperatures will begin to increase across Southern California on Sunday, with temperatures well-above seasonal averages and very dry conditions through much of next week,” the weather service said. “Gusty offshore winds will lead to critical fire weather conditions on Monday.”
Temperatures will be about 10 degrees above normal throughout the week, with highs reaching the mid to upper 80s along the coast, the 90s inland, and over 100 in San Diego County’s inland valleys.
“Hot conditions will occur basically from Sunday through next week. Some moderation in temperatures finally for next weekend,” the weather service said.
Highs on Sunday as the warm-up begins will be around 74 near the coast, 76 to 81 inland, 79 to 84 in the western valleys, 87 to 92 near the foothills, 84 to 91 in the mountains and 99 to 104 in the deserts.
A fire weather watch will be in effect on Monday from 5 a.m. to 5 p.m. when Santa Ana wind gusts of up to 40 mph are forecast.
San Diego Fire-Rescue said it is increasing staffing on Monday, with two helicopters available around-the-clock, plus a brush strike team with five engines and two water tenders.
Updated at 7:15 p.m., Saturday, Sept. 27, 2020
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