Sep 17, 2025, 6:04 AM
Sep 15, 2025, 5:43 PM

Thunderstorms and showers expected in Southern California this week

Highlights
  • An increased chance of thunderstorms and showers is expected from Wednesday to Friday in Southern California.
  • Temperatures will remain in the 80s and 90s during the remainder of the week.
  • Residents are urged to prepare as the storms could bring higher risks of floods and fires.
Story

This week, Southern California is facing an elevated chance of thunderstorms and showers due to moisture from the remnants of Tropical Storm Mario. The National Weather Service has indicated that communities will experience a significant weather event, prompting the issuance of a Next Weather Alert that will be active from Wednesday to Friday. During this period, residents can anticipate a mixture of temperatures ranging from 84 to 96 degrees Fahrenheit, particularly across the Los Angeles and Orange County metropolitan areas. Meteorologists have assessed that rainfall is likely to vary across the region, with expected accumulations of 0.70 inches in Los Angeles and slightly more in areas such as Big Bear Lake at 0.80 inches. In addition to typical thunderstorm conditions, there is also heightened risk of floods and fires, which raises serious concerns for local communities and emergency services. The forecast has indicated that the most concentrated chance for rain and thunderstorms will occur on Thursday, pushing residents to prepare for possible disruptions in their daily routines. This weather phenomenon comes at an unusual time of year, as early fall typically does not see such impactful storms in Southern California. The increased moisture levels, caused by the remnants of Tropical Storm Mario, highlight the dynamic nature of weather patterns affecting the region. Many locals are advised to stay vigilant and informed as storm preparations take precedence in the coming days, reflecting both a community emphasis on safety and preparedness. The impact of this stormfront reaches beyond immediate weather concerns, creating the potential for future implications related to environmental changes and patterns in the area. Officials reflect on how climate dynamics are shifting weather expectations in Southern California, suggesting that phenomena like Tropical Storm Mario could become more common, leading to reassessments of seasonal weather forecasts and emergency preparedness initiatives, particularly during fall.

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