Incoming storm to bring heavy rain across Southern California: See a timeline

The Brief

  • Southern California is shifting from the recent warm trend to significantly cooler weather starting mid-week.
  • A chance of rain is expected to develop across the region, including the mountains and inland valleys, by Thursday and Friday.
  • The latest forecast predicts up to two feet of snow in the Sierras.

LOS ANGELES Southern California is bracing for a significant weather pattern change this week, transitioning from warm, above-average conditions to much cooler temperatures and a chance of rain by Thursday, according to the National Weather Service.

Timeline

What we know:

Monday: Temperatures are predicted to be 5 to 15 degrees above normal, with widespread 80s and 90s statewide, according to the latest weather forecast. Los Angeles could hit 90 degrees and Palm Springs is poised for 92 degrees. According to the NWS, weak Santa Ana winds are contributing

Tuesday: Cooler conditions begin, though highs remain slightly above average. Coastal areas will reach up to 80 degrees.

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