Scorching temperatures trigger heat warning across county - CBS News 8 - San Diego, CA News Station - KFMB Channel 8

Scorching temperatures trigger heat warning across county

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SAN DIEGO (CNS) - An excessive heat warning is in effect Tuesday in San Diego County desert areas, where high temperatures are expected to be between 114 and 121 degrees.

The warning will remain in effect until 10 p.m. Wednesday, according to the National Weather Service, which attributed the heat to a high pressure system over Utah.

The warning does not extend to the rest of the county but the weather service warned that temperatures in coastal, valley and mountain areas will be 8 to 10 degrees above normal for this time of year.

A slow cooling is expected Thursday through the weekend, as the high pressure weakens slightly.

Until then, the Weather Service is urging those in the deserts to avoid strenuous outdoor activity and to not leave children or pets in enclosed vehicles, even briefly.

Campers and hikers who do not prepare for the weather could suffer fatal consequences, according to the Weather Service.

A no-burn proclamation issued by Cal Fire on Monday remained in effect this morning. The proclamation means the use of any open fire is forbidden until further notice.

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