National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Overview


Fast Facts:

  • The remnants of Subtropical Storm Alberto were the primary impetus to heavy showers and embedded storms on Wednesday, May 30.
  • Atmospheric moisture was high, near or at record levels for late May, setting the stage for periods of heavy rain and isolated totals of 2-5", especially over DuPage and northwestern Cook County.
  • Some of the showers were extremely slow moving in the late afternoon and early evening, overlapping the evening commute time.
  • The heaviest hit communities with rainfall and some flooding impacts were Addison, Barrington, Hoffman Estates, Elmhurst, and Villa Park.
  • The 0.90" of rain at Chicago O'Hare pushed their total to 8.21" for the month, setting a record for the wettest May.
Radar Loop
24-hour Radar Loop on Wednesday, May 30
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Additional recaps can be found on the NWS Chicago Past Events Page
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