Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

October 4, 2014: Early Season Record Chill Brings Early Snowfall

Relevant Climate Records and Stats for October 4th, 2014

For Chicago:
- Snowfall
  - Chicago recorded the third earliest snow on record on October 4th, beginning at 6:58 am CDT.
  - In Chicago, the earliest traces of snow on record dating back to 1881 were September 25, 1928 and September 25, 1942.
- Temperature
  - Chicago set a record low maximum temperature for October 4th of 47 degrees.
  - The previous record low maximum temperature for Chicago on that day was 48° in 1935.
  - To put this in perspective, the average minimum temperature for October 4th is 46. The average high is 67.
  - The record low temperature of 32 degrees (set in 1989) was not reached. The low was only 35.
For Rockford:
- Snowfall
  - Rockford recorded the second earliest snow on record on October 4th, beginning at 4:54 am CDT.
  - In Rockford, the earliest trace of snow on record dating back to 1905 was September 25, 1928.
- Temperature
  - Rockford set a record low maximum temperature for October 4th of 49 degrees.
  - The previous record low maximum temperature for Rockford on that day was 50° in 1988 and 1980.
  - To put this in perspective, the average minimum temperature for October 4th is 44. The average high is 68.
  - The record low temperature of 24 degrees (set in 1989) was not reached. The low was only 35.

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