Heat Index Forecast Tables
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DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0742 UTC FRI AUG 22 2025

MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM FRI AUG 22 2025

           AKRON-CANTON_OH                   ALBANY_NY
CAK   0825 0826 0827 0828 0829  ALB   0825 0826 0827 0828 0829
MIN     54   51   49   49   54  MIN     64   55   52   49   52
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     0    0    0    0    0  %>70     0    0    0    0    0

              ASHEVILLE_NC                  ATLANTA_GA
AVL   0825 0826 0827 0828 0829  ATL   0825 0826 0827 0828 0829
MIN     61   55   52   53   56  MIN     69   64   62   62   64
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     2    0    0    0    0
%>70     0    0    0    0    0  %>70    34    2    3    1    5

              BALTIMORE_MD               BIRMINGHAM_AL
BWI   0825 0826 0827 0828 0829  BHM   0825 0826 0827 0828 0829
MIN     70   62   59   58   62  MIN     67   64   62   61   65
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     1    0    0    0    0  %>75     1    0    0    0    1
%>70    46    1    0    1    3  %>70    19    6    5    4   12

                 BOSTON_MA                  BUFFALO_NY
BOS   0825 0826 0827 0828 0829  BUF   0825 0826 0827 0828 0829
MIN     68   62   58   56   59  MIN     58   53   50   54   54
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     6    1    0    0    1  %>70     0    0    0    0    1

             CHARLESTON_SC               CHARLESTON_WV
CHS   0825 0826 0827 0828 0829  CRW   0825 0826 0827 0828 0829
MIN     75   73   71   70   70  MIN     59   54   52   51   56
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     1    4    2    1    0  %>80     0    0    0    0    0
%>75    42   33   19   12   10  %>75     0    0    0    0    0
%>70    98   83   63   48   50  %>70     0    0    0    0    0

              CHARLOTTE_NC                  CHICAGO_IL
CLT   0825 0826 0827 0828 0829  ORD   0825 0826 0827 0828 0829
MIN     69   63   60   59   61  MIN     54   54   54   59   62
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     2    0    0    0    0  %>75     0    0    0    0    0
%>70    43    3    1    1    4  %>70     0    0    0    1    3

             CINCINNATI_OH                CLEVELAND_OH
LUK   0825 0826 0827 0828 0829  CLE   0825 0826 0827 0828 0829
MIN     56   52   51   52   57  MIN     59   56   55   56   58
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     0    0    0    0    0  %>70     0    0    0    0    1

               COLUMBIA_SC                 COLUMBUS_OH
CAE   0825 0826 0827 0828 0829  TZR   0825 0826 0827 0828 0829
MIN     72   67   65   63   64  MIN     54   50   49   50   55
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75    10    1    0    0    1  %>75     0    0    0    0    0
%>70    79   18   10    6    9  %>70     0    0    0    0    0

                 DAYTON_OH                  DETROIT_MI
MGY   0825 0826 0827 0828 0829  DET   0825 0826 0827 0828 0829
MIN     55   51   50   52   57  MIN     56   53   52   57   58
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     0    0    0    0    0  %>70     0    0    0    0    1

             EVANSVILLE_IN             GRAND_RAPIDS_MI
EVV   0825 0826 0827 0828 0829  GRR   0825 0826 0827 0828 0829
MIN     57   53   53   55   59  MIN     53   49   47   54   56
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     0    0    0    0    2  %>70     0    0    0    0    1

             GREENSBORO_NC               HUNTSVILLE_AL
GSO   0825 0826 0827 0828 0829  HSV   0825 0826 0827 0828 0829
MIN     68   61   58   57   60  MIN     63   63   59   59   63
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     1    0    0    0    0  %>75     0    1    0    0    1
%>70    26    1    0    0    2  %>70     5    7    2    2    7

           INDIANAPOLIS_IN                KNOXVILLE_TN
IND   0825 0826 0827 0828 0829  TYS   0825 0826 0827 0828 0829
MIN     54   51   50   53   58  MIN     62   59   56   56   60
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     0    0    0    0    0  %>70     1    1    0    0    1

              LEXINGTON_KY               LOUISVILLE_KY
LEX   0825 0826 0827 0828 0829  SDF   0825 0826 0827 0828 0829
MIN     56   53   52   52   58  MIN     58   54   53   54   59
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     0    0    0    0    1  %>70     0    0    0    0    1

                MEMPHIS_TN                    MIAMI_FL
MEM   0825 0826 0827 0828 0829  MIA   0825 0826 0827 0828 0829
MIN     64   65   61   61   64  MIN     83   85   85   84   84
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     2    2    5    3    3
%>90     0    0    0    0    0  %>90    18   21   25   18   17
%>85     0    0    0    0    0  %>85    44   51   55   48   45
%>80     0    0    0    0    0  %>80    68   75   79   75   72
%>75     0    2    0    0    2  %>75    87   92   94   92   92
%>70     6   15    4    5   13  %>70    96   99   99   99   99

              MILWAUKEE_WI                   MOBILE_AL
MKE   0825 0826 0827 0828 0829  MOB   0825 0826 0827 0828 0829
MIN     54   53   55   59   62  MIN     75   71   71   69   71
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     1    1    1    0    1
%>80     0    0    0    0    0  %>80     9    5    5    3    5
%>75     0    0    0    0    0  %>75    47   24   22   15   22
%>70     0    0    0    2    4  %>70    90   58   57   44   58

              NASHVILLE_TN            NEW_YORK_CITY_NY
BNA   0825 0826 0827 0828 0829  NYC   0825 0826 0827 0828 0829
MIN     60   60   56   56   61  MIN     71   64   60   58   62
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     1    0    0    0    0
%>70     1    2    0    0    4  %>70    63    1    0    1    5

                NORFOLK_VA                  ORLANDO_FL
ORF   0825 0826 0827 0828 0829  ORL   0825 0826 0827 0828 0829
MIN     73   71   69   67   67  MIN     78   78   77   77   77
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     2    1    1    0    0
%>80     0    0    0    0    0  %>80    26   25   19   13   11
%>75    29   10    3    3    4  %>75    82   83   77   75   80
%>70    90   62   41   27   31  %>70    99   99   99   99  100

           PHILADELPHIA_PA               PITTSBURGH_PA
PHL   0825 0826 0827 0828 0829  PIT   0825 0826 0827 0828 0829
MIN     69   61   58   56   60  MIN     58   53   50   50   54
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70    31    1    0    0    2  %>70     0    0    0    0    0

               PORTLAND_ME               PROVIDENCE_RI
PWM   0825 0826 0827 0828 0829  PVD   0825 0826 0827 0828 0829
MIN     65   60   56   54   56  MIN     68   61   57   55   58
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75     0    0    0    0    0
%>70     2    1    0    0    1  %>70    13    1    0    0    2

         RALEIGH-DURHAM_NC                 RICHMOND_VA
RDU   0825 0826 0827 0828 0829  RIC   0825 0826 0827 0828 0829
MIN     70   64   61   59   61  MIN     69   62   60   57   60
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     2    0    0    0    0  %>75     1    0    0    0    0
%>70    58    3    1    1    2  %>70    34    1    1    1    2

               SAVANNAH_GA              TALLAHASSEE_FL
SAV   0825 0826 0827 0828 0829  TLH   0825 0826 0827 0828 0829
MIN     74   72   72   71   70  MIN     76   72   71   71   72
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    0
%>90     0    0    0    0    0  %>90     0    0    0    0    0
%>85     0    0    0    0    0  %>85     0    0    0    0    0
%>80     1    2    2    1    1  %>80     2    2    1    1    1
%>75    38   23   22   15   13  %>75    61   22   14   17   22
%>70    98   72   69   56   54  %>70    99   65   60   63   77

                  TAMPA_FL               WASHINGTON_DC
TPA   0825 0826 0827 0828 0829  DCA   0825 0826 0827 0828 0829
MIN     84   83   79   78   78  MIN     69   61   59   57   61
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     3    1    0    0    0  %>95     0    0    0    0    0
%>90    16    8    1    1    0  %>90     0    0    0    0    0
%>85    43   36   11    7    6  %>85     0    0    0    0    0
%>80    73   72   42   35   33  %>80     0    0    0    0    0
%>75    92   93   83   78   80  %>75     1    0    0    0    0
%>70    99   99   99   98   99  %>70    40    1    0    1    3

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