On Sunday afternoon, the National Weather Service reported a powerful storm that brought heavy rain and hail to the Julian area. Around 1:30 p.m., weather authorities issued a severe thunderstorm warning for several mountainous areas in San Diego County, including Warner Springs, Oak Grove, Santa Ysabel, Lake Henshaw, Palomar Mountain, and the La Jolla Indian Reservation, according to a media outlet.

According to the weather service’s report, a system of strong to severe thunderstorms developed over State Highway 79 between Warner Springs and Oak Grove during that time. Winds reached speeds of up to 60 mph.

Run for cover!!

Julian, CA residents were trying to dodge the hail that was accompanying a severe storm earlier on Sunday. This storm was also producing unusual amount of lightning strikes for the region.#cawx pic.twitter.com/JsZliLqlea

— WeatherNation (@WeatherNation) August 11, 2024

Shortly after 2 p.m., hail was recorded in downtown Julian, with a local webcam capturing the event. Another webcam near Julian showed heavy rain and storms sweeping through the region. The weather service described the phenomenon as "monsoonal" in nature.