MEAN HEAT INDEX AND PROBABILITY FORECASTS AT CHICAGO_IL

The table below gives the MEAN heat index forecast for days 3 through 7 at CHICAGO_IL.


FRI SAT SUN MON TUE
JUL 19 JUL 20 JUL 21 JUL 22 JUL 23
MEAN HEAT INDEX 69 F 72 F 74 F 74 F 75 F
PROBABILITY OF MEAN HEAT INDEX EXCEEDING:
100 F 0 % 0 % 0 % 0 % 0 %
95 F 0 % 0 % 0 % 0 % 0 %
90 F 0 % 0 % 0 % 0 % 0 %
85 F 0 % 0 % 0 % 0 % 1 %
80 F 0 % 0 % 1 % 6 % 13 %
75 F 1 % 9 % 32 % 39 % 51 %
70 F 37 % 76 % 90 % 85 % 89 %