Heat Index Forecast Tables
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PRBEHL

DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0744 UTC THU AUG 21 2025

MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM THU AUG 21 2025

           AKRON-CANTON_OH                   ALBANY_NY
CAK   0824 0825 0826 0827 0828  ALB   0824 0825 0826 0827 0828
MIN     63   55   51   48   48  MIN     63   63   56   51   49
%>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     3    0    0    0    0  %>70     0    0    0    0    0

              ASHEVILLE_NC                  ATLANTA_GA
AVL   0824 0825 0826 0827 0828  ATL   0824 0825 0826 0827 0828
MIN     64   61   55   53   51  MIN     71   69   63   63   61
%>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    1    0    0    1
%>70     1    0    0    0    0  %>70    62   33    5    6    5

              BALTIMORE_MD               BIRMINGHAM_AL
BWI   0824 0825 0826 0827 0828  BHM   0824 0825 0826 0827 0828
MIN     69   69   62   58   58  MIN     71   68   63   63   61
%>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    1    0    0    0  %>75    10    3    1    1    2
%>70    35   40    2    0    1  %>70    67   28    9   10    8

                 BOSTON_MA                  BUFFALO_NY
BOS   0824 0825 0826 0827 0828  BUF   0824 0825 0826 0827 0828
MIN     66   67   63   58   55  MIN     64   58   53   50   51
%>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     3    5    3    0    0  %>70     5    0    0    0    0

             CHARLESTON_SC               CHARLESTON_WV
CHS   0824 0825 0826 0827 0828  CRW   0824 0825 0826 0827 0828
MIN     74   74   73   70   69  MIN     68   60   54   52   51
%>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    4    4    2  %>80     0    0    0    0    0
%>75    34   38   30   20   13  %>75     0    0    0    0    0
%>70    96   94   77   53   40  %>70    21    1    0    0    0

              CHARLOTTE_NC                  CHICAGO_IL
CLT   0824 0825 0826 0827 0828  ORD   0824 0825 0826 0827 0828
MIN     68   68   63   61   59  MIN     59   54   52   53   57
%>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    3    0    0    0  %>75     0    0    0    0    0
%>70    26   32    5    4    3  %>70     1    0    0    0    1

             CINCINNATI_OH                CLEVELAND_OH
LUK   0824 0825 0826 0827 0828  CLE   0824 0825 0826 0827 0828
MIN     66   56   53   51   52  MIN     66   59   56   55   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     0    0    0    0    0  %>75     2    0    0    0    0
%>70    13    0    0    0    0  %>70    15    1    0    0    1

               COLUMBIA_SC                 COLUMBUS_OH
CAE   0824 0825 0826 0827 0828  TZR   0824 0825 0826 0827 0828
MIN     70   71   67   65   62  MIN     64   55   51   48   49
%>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   10    2    2    2  %>75     0    0    0    0    0
%>70    51   61   22   16   10  %>70     5    0    0    0    0

                 DAYTON_OH                  DETROIT_MI
MGY   0824 0825 0826 0827 0828  DET   0824 0825 0826 0827 0828
MIN     64   55   51   49   50  MIN     62   57   53   52   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     5    0    0    0    0  %>70     1    0    0    0    0

             EVANSVILLE_IN             GRAND_RAPIDS_MI
EVV   0824 0825 0826 0827 0828  GRR   0824 0825 0826 0827 0828
MIN     65   57   54   53   54  MIN     58   53   48   47   51
%>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    0    0    0    0
%>70    12    0    0    0    0  %>70     0    0    0    0    0

             GREENSBORO_NC               HUNTSVILLE_AL
GSO   0824 0825 0826 0827 0828  HSV   0824 0825 0826 0827 0828
MIN     66   67   60   58   56  MIN     71   64   62   59   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    1    0    0    0  %>75     6    1    0    1    0
%>70     7   21    2    1    1  %>70    67    8    3    4    3

           INDIANAPOLIS_IN                KNOXVILLE_TN
IND   0824 0825 0826 0827 0828  TYS   0824 0825 0826 0827 0828
MIN     62   55   51   50   52  MIN     70   63   59   56   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     0    0    0    0    0  %>75     0    0    0    0    0
%>70     1    0    0    0    0  %>70    43    4    0    0    0

              LEXINGTON_KY               LOUISVILLE_KY
LEX   0824 0825 0826 0827 0828  SDF   0824 0825 0826 0827 0828
MIN     67   56   52   51   52  MIN     68   58   54   53   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     1    0    0    0    0  %>75     0    0    0    0    0
%>70    19    0    0    0    0  %>70    23    0    0    0    0

                MEMPHIS_TN                    MIAMI_FL
MEM   0824 0825 0826 0827 0828  MIA   0824 0825 0826 0827 0828
MIN     72   65   63   60   60  MIN     83   85   84   85   82
%>100    0    0    0    0    0  %>100    0    1    0    0    0
%>95     0    0    0    0    0  %>95     2    5    4    4    2
%>90     0    0    0    0    0  %>90    18   25   22   26   16
%>85     0    0    0    0    0  %>85    44   52   50   54   41
%>80     0    0    0    0    0  %>80    68   72   70   75   64
%>75    11    1    1    1    1  %>75    87   90   88   92   83
%>70    81   11    9    6    6  %>70    97   98   97   98   94

              MILWAUKEE_WI                   MOBILE_AL
MKE   0824 0825 0826 0827 0828  MOB   0824 0825 0826 0827 0828
MIN     58   54   52   54   57  MIN     75   75   72   71   68
%>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    1    1
%>80     0    0    0    0    0  %>80    11    9    7    7    6
%>75     0    0    0    0    0  %>75    47   44   28   26   18
%>70     1    0    0    0    2  %>70    88   87   66   59   41

              NASHVILLE_TN            NEW_YORK_CITY_NY
BNA   0824 0825 0826 0827 0828  NYC   0824 0825 0826 0827 0828
MIN     70   61   59   56   56  MIN     69   70   64   59   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     2    0    0    0    0  %>75     0    1    0    0    0
%>70    51    2    1    2    1  %>70    34   57    2    1    1

                NORFOLK_VA                  ORLANDO_FL
ORF   0824 0825 0826 0827 0828  ORL   0824 0825 0826 0827 0828
MIN     72   73   70   67   66  MIN     78   78   78   78   76
%>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    2    2    2    2
%>80     1    0    0    1    0  %>80    25   29   27   24   17
%>75    19   27   10    6    4  %>75    81   85   82   79   61
%>70    69   83   55   32   26  %>70    99   99   99   99   93

           PHILADELPHIA_PA               PITTSBURGH_PA
PHL   0824 0825 0826 0827 0828  PIT   0824 0825 0826 0827 0828
MIN     66   69   61   56   55  MIN     66   58   53   49   49
%>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     3   26    1    1    1  %>70     9    0    0    0    0

               PORTLAND_ME               PROVIDENCE_RI
PWM   0824 0825 0826 0827 0828  PVD   0824 0825 0826 0827 0828
MIN     63   64   60   55   53  MIN     65   67   62   56   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     3    3    2    0    0  %>70     3   10    4    0    0

         RALEIGH-DURHAM_NC                 RICHMOND_VA
RDU   0824 0825 0826 0827 0828  RIC   0824 0825 0826 0827 0828
MIN     66   70   64   61   58  MIN     65   69   62   59   57
%>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    2    0    0    0  %>75     0    2    0    0    0
%>70     9   46    5    3    2  %>70     6   35    4    2    2

               SAVANNAH_GA              TALLAHASSEE_FL
SAV   0824 0825 0826 0827 0828  TLH   0824 0825 0826 0827 0828
MIN     74   74   71   70   69  MIN     76   75   73   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    1    2    3    2  %>80     2    1    3    2    2
%>75    33   33   21   18   13  %>75    65   51   27   19   21
%>70    96   95   62   53   44  %>70    99   99   76   60   68

                  TAMPA_FL               WASHINGTON_DC
TPA   0824 0825 0826 0827 0828  DCA   0824 0825 0826 0827 0828
MIN     85   85   83   81   78  MIN     68   69   61   58   58
%>100    2    1    0    0    0  %>100    0    0    0    0    0
%>95     8    6    1    0    0  %>95     0    0    0    0    0
%>90    24   23   11    3    2  %>90     0    0    0    0    0
%>85    51   52   42   22   11  %>85     0    0    0    0    0
%>80    77   80   73   59   38  %>80     0    0    0    0    0
%>75    92   95   91   89   75  %>75     0    1    0    0    0
%>70    98   99   98   99   95  %>70    22   33    1    0    1

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