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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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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