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More thunderstorms possible in parts of San Diego County

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Posted at 9:35 AM, Sep 05, 2019
and last updated 2019-09-05 20:18:11-04

SAN DIEGO (KGTV) - Another round of thunderstorms could hit San Diego County’s mountain and desert areas as this week’s hot-and-humid spell continues.

10News Meteorologist Megan Parry’s forecast for Thursday calls for high temperatures and muggy conditions across the San Diego region, with a slight chance of isolated thunderstorms west of the mountains.

A National Weather Service-issued Heat Advisory for San Diego’s coast and foothills was originally set to expire on Wednesday night, but it was extended through 8 p.m. Thursday.

LATEST 10NEWS PINPOINT WEATHER FORECAST

High temperatures on Thursday could reach 91 degrees near the coast and inland, 98 in the western valleys, 94 in the mountains and 109 in the deserts.

With the possibility of thunderstorms in the mountain areas of the county, a Flash Flood Watch is set to take effect at 12 p.m. and last until 7 p.m.

NWS officials said the chance of measurable precipitation is 20 percent Thursday in the western valleys and the deserts, while the mountains have a 40 percent chance.

RELATED: Lightning, heavy rains slam county as heat peaks at coast

According to Megan’s forecast, San Diego’s sticky and uncomfortable conditions will be replaced with cooler and drier air as we head into the weekend, thanks to a “trough of low pressure pushes” over the West Coast.

City News Service contributed to this report