A dangerous heat wave is expected to grip parts of San Diego County this week, with thunderstorms and temperatures in the 90s Monday in the valleys, mountains and deserts. The coast will be the only place to find respite from high temperatures predicted in the 70s.
Lightning was reported in the San Diego County deserts Sunday morning, with a chance of showers and thunderstorms in the desert this afternoon.
Monday’s forecast from the NWS called for temperatures as high as 113 in the county’s deserts and 100 in the mountains. But temperatures are expected to reach 117 in the deserts by Thursday and remain so through the weekend.
“Extreme heat can significantly increase the risk of heat-related illness, especially for those working or participating in outdoor activities,” NWS forecasters warned. “Know the signs and symptoms of heat exhaustion and heat stroke. Wear light, loose-fitting clothing whenever possible and drink plenty of water.”
Temperatures will stay under the triple digit marker in the valleys and coastal areas on Monday and Tuesday, with a 20% chance of rain.
“A small surge of monsoonal moisture Sunday and Monday will bring mid-level clouds and a slight chance of afternoon thunderstorms over the mountains and high deserts. Warmth will remain moderate near the oceanic coast. Hot weather will continue for most of next week,” forecasters said.
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