National Weather Service United States Department of Commerce

Cold Front Dropping South Across the Western U.S.; Watching Threat for Tornadoes and Flooding in the South

A cold front will push south across the Western U.S. into Tuesday with mountain snow and areas of gusty to high winds. An area of low pressure will form along this front on Tuesday and bring a potential for severe thunderstorms with tornadoes and excessive rainfall in the lower to mid Mississippi River Valley. To the north, heavy snow is possible in parts of the upper Midwest. Read More >

 

Public Information Statement
National Weather Service Chicago IL
331 AM CDT Mon Jul 2 2018 /431 AM EDT Mon Jul 2 2018/

...June 29-July 1 Observed Heat Numbers and Records...

Facts and Records:

June 30 had the warmest minimum temperatures for both
Chicago and Rockford since July 23, 2012.

With a low of only 76 on June 30, Rockford broke their
daily warm minimum record for the date of 74 set in 1913
and 1931.

With a low of only 80 on June 30, Chicago tied their
daily warm minimum record for the date of 80 set in 1931.

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Observations are collected from a variety of sources with varying
equipment and exposures. We thank all volunteer weather observers
for their dedication. Not all data listed are considered official.

Friday June 29 Observations (Ranked by Heat Index):

Location                     Max Temp     Max Heat Index
--------------------------------------------------------
Midewin National Prairie       93 F           116 F
Pontiac Airport                92 F           115 F
Joliet Airport                 93 F           114 F
Peru Airport                   94 F           114 F
Lansing Airport                91 F           111 F
West Chicago - DuPage Airport  93 F           110 F
Chicago Midway Airport         95 F           109 F
Valparaiso Airport             93 F           109 F
Morris Airport                 92 F           109 F
Sugar Grove - Aurora Airport   93 F           109 F
De Kalb Airport                91 F           108 F
Kankakee Airport               91 F           108 F
Waukegan Airport               94 F           108 F
Romeoville - Lewis Airport     92 F           108 F
Wheeling - Chi Exec Airport    95 F           107 F
Rochelle Airport               90 F           106 F
Chicago O`Hare Airport         96 F           106 F
Gary Airport                   93 F           105 F
Rockford Airport               91 F           103 F

Chicago Downtown               93 F


Saturday June 30 Observations (Ranked by Heat Index):

Location                     Max Temp     Max Heat Index
--------------------------------------------------------
Pontiac Airport                92 F           116 F
Peru Airport                   95 F           114 F
Midewin National Prairie       93 F           113 F
Joliet Airport                 93 F           111 F
Lansing Airport                92 F           111 F
Morris Airport                 91 F           109 F
Valparaiso Airport             93 F           109 F
Sugar Grove - Aurora Airport   93 F           109 F
Wheeling - Chi Exec Airport    95 F           108 F
De Kalb Airport                92 F           108 F
West Chicago - DuPage Airport  93 F           107 F
Chicago Midway Airport         95 F           107 F
Romeoville - Lewis Airport     92 F           106 F
Rochelle Airport               91 F           106 F
Waukegan Airport               93 F           106 F
Kankakee Airport               92 F           105 F
Gary Airport                   93 F           105 F
Chicago O`Hare Airport         94 F           103 F
Rockford Airport               91 F           102 F

Chicago Downtown               92 F


Sunday July 1 Observations (Ranked by Heat Index):

Location                     Max Temp     Max Heat Index
--------------------------------------------------------
Pontiac Airport                91 F           112 F
Joliet Airport                 92 F           109 F
Peru Airport                   92 F           108 F
Midewin National Prairie       92 F           108 F
Lansing Airport                91 F           106 F
Chicago Midway Airport         94 F           105 F
De Kalb Airport                90 F           105 F
Valparaiso Airport             93 F           105 F
Sugar Grove - Aurora Airport   92 F           105 F
Morris Airport                 90 F           104 F
Wheeling - Chi Exec Airport    94 F           103 F
Waukegan Airport               93 F           103 F
West Chicago - DuPage Airport  92 F           103 F
Romeoville - Lewis Airport     91 F           103 F
Kankakee Airport               92 F           102 F
Chicago O`Hare Airport         94 F           101 F
Rochelle Airport               89 F           101 F
Gary Airport                   93 F           101 F
Rockford Airport               89 F            99 F

Chicago Downtown               92 F

$$

MTF

 

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