Heat Index Forecast Tables
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230
FMUS23 KWNH 271609
PRBEHI

DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1607 UTC WED AUG 27 2025

MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED AUG 27 2025

           AKRON-CANTON_OH                   ALBANY_NY
CAK   0830 0831 0901 0902 0903  ALB   0830 0831 0901 0902 0903
MEAN    57   60   63   65   67  MEAN    58   61   63   64   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    1  %>80     0    0    0    0    0
%>75     0    0    1    3    6  %>75     0    0    0    0    1
%>70     0    0    7   18   29  %>70     0    0    1    4   12

              ASHEVILLE_NC                  ATLANTA_GA
AVL   0830 0831 0901 0902 0903  ATL   0830 0831 0901 0902 0903
MEAN    66   64   63   64   65  MEAN    74   74   72   72   74
%>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    0    0    0    0
%>80     0    0    0    0    0  %>80     8    5    1    2    4
%>75     1    1    0    1    1  %>75    40   37   19   24   37
%>70    14    8    7    8   12  %>70    81   84   71   73   86

              BALTIMORE_MD               BIRMINGHAM_AL
BWI   0830 0831 0901 0902 0903  BHM   0830 0831 0901 0902 0903
MEAN    66   67   69   69   70  MEAN    75   74   74   74   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     0    0    0    0    0
%>80     0    0    0    0    0  %>80     8    6    6    6   11
%>75     0    1    2    5   11  %>75    45   38   39   41   57
%>70    11   20   34   39   54  %>70    87   84   84   87   94

                 BOSTON_MA                  BUFFALO_NY
BOS   0830 0831 0901 0902 0903  BUF   0830 0831 0901 0902 0903
MEAN    64   64   64   65   65  MEAN    57   60   63   65   67
%>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    2  %>75     0    0    0    1    4
%>70     1    2    5    7   15  %>70     0    0    3   12   24

             CHARLESTON_SC               CHARLESTON_WV
CHS   0830 0831 0901 0902 0903  CRW   0830 0831 0901 0902 0903
MEAN    79   78   76   76   77  MEAN    64   65   67   68   70
%>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     2    1    0    1    1  %>85     0    0    0    0    0
%>80    33   24   14   14   23  %>80     0    0    0    1    2
%>75    87   83   64   59   76  %>75     0    1    5    8   15
%>70   100   99   96   94   98  %>70     4   13   28   34   52

              CHARLOTTE_NC                  CHICAGO_IL
CLT   0830 0831 0901 0902 0903  ORD   0830 0831 0901 0902 0903
MEAN    73   70   69   70   72  MEAN    63   65   68   70   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     0    0    0    0    1
%>80     3    1    0    0    1  %>80     0    0    0    0    6
%>75    30   14    7    8   17  %>75     0    0    2    9   24
%>70    81   55   42   47   67  %>70     1    9   25   46   57

             CINCINNATI_OH                CLEVELAND_OH
LUK   0830 0831 0901 0902 0903  CLE   0830 0831 0901 0902 0903
MEAN    62   64   67   68   71  MEAN    60   62   65   67   69
%>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    1    2  %>80     0    0    0    0    0
%>75     0    0    3    9   17  %>75     0    0    0    2    7
%>70     1    3   23   37   57  %>70     0    0    6   22   39

               COLUMBIA_SC                 COLUMBUS_OH
CAE   0830 0831 0901 0902 0903  TZR   0830 0831 0901 0902 0903
MEAN    75   74   73   72   74  MEAN    59   62   65   67   69
%>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     1    0    0    0    0  %>85     0    0    0    0    0
%>80    12    6    3    2    4  %>80     0    0    0    0    1
%>75    55   44   27   22   37  %>75     0    0    1    4    9
%>70    92   89   76   71   85  %>70     0    1   13   25   39

                 DAYTON_OH                  DETROIT_MI
MGY   0830 0831 0901 0902 0903  DET   0830 0831 0901 0902 0903
MEAN    61   63   66   68   70  MEAN    60   63   66   68   70
%>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    1  %>80     0    0    0    0    1
%>75     0    0    1    6   13  %>75     0    0    0    3   11
%>70     0    1   13   31   49  %>70     0    1    7   31   48

             EVANSVILLE_IN             GRAND_RAPIDS_MI
EVV   0830 0831 0901 0902 0903  GRR   0830 0831 0901 0902 0903
MEAN    67   67   68   70   73  MEAN    58   62   64   66   67
%>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    1  %>85     0    0    0    0    0
%>80     0    0    0    2    7  %>80     0    0    0    0    1
%>75     3    2    7   16   33  %>75     0    0    0    2    7
%>70    27   23   36   51   73  %>70     0    0    5   18   30

             GREENSBORO_NC               HUNTSVILLE_AL
GSO   0830 0831 0901 0902 0903  HSV   0830 0831 0901 0902 0903
MEAN    70   68   66   67   69  MEAN    74   73   73   74   75
%>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    0    0    0    0  %>80     7    5    5    5    9
%>75    10    6    3    3    8  %>75    37   32   32   36   49
%>70    49   33   22   25   43  %>70    79   77   78   81   91

           INDIANAPOLIS_IN                KNOXVILLE_TN
IND   0830 0831 0901 0902 0903  TYS   0830 0831 0901 0902 0903
MEAN    61   63   65   67   70  MEAN    72   71   70   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     0    0    0    0    2  %>80     1    1    1    1    3
%>75     0    0    1    6   14  %>75    19   16   12   14   22
%>70     1    1   11   29   50  %>70    65   60   52   56   66

              LEXINGTON_KY               LOUISVILLE_KY
LEX   0830 0831 0901 0902 0903  SDF   0830 0831 0901 0902 0903
MEAN    65   66   67   69   71  MEAN    66   66   68   69   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     0    0    1    2    3  %>80     0    0    1    2    4
%>75     0    1    6   12   22  %>75     1    1    7   15   27
%>70    11   13   30   41   60  %>70    15   15   34   46   69

                MEMPHIS_TN                    MIAMI_FL
MEM   0830 0831 0901 0902 0903  MIA   0830 0831 0901 0902 0903
MEAN    73   73   73   74   77  MEAN    93   91   91   90   90
%>100    0    0    0    0    0  %>100   10    5    4    2    2
%>95     0    0    0    0    0  %>95    33   24   21   14   13
%>90     0    0    0    0    0  %>90    69   61   57   46   47
%>85     0    0    0    1    2  %>85    92   90   88   83   84
%>80     3    5    6    8   21  %>80    99   99   99   98   98
%>75    33   32   34   42   66  %>75   100  100  100  100  100
%>70    83   77   77   84   95  %>70   100  100  100  100  100

              MILWAUKEE_WI                   MOBILE_AL
MKE   0830 0831 0901 0902 0903  MOB   0830 0831 0901 0902 0903
MEAN    62   65   66   68   69  MEAN    80   81   81   81   82
%>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     1    1    1    1    1
%>85     0    0    0    0    0  %>85    11   12   13   12   17
%>80     0    0    0    0    2  %>80    49   57   56   57   68
%>75     0    1    2    6   14  %>75    88   93   92   93   97
%>70     2    8   18   33   42  %>70    99  100  100  100  100

              NASHVILLE_TN            NEW_YORK_CITY_NY
BNA   0830 0831 0901 0902 0903  NYC   0830 0831 0901 0902 0903
MEAN    73   71   72   73   75  MEAN    65   67   69   68   69
%>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    1  %>85     0    0    0    0    0
%>80     1    1    4    6   10  %>80     0    0    0    0    0
%>75    22   17   24   30   47  %>75     0    0    1    4    6
%>70    78   60   65   70   87  %>70     6   15   31   28   40

                NORFOLK_VA                  ORLANDO_FL
ORF   0830 0831 0901 0902 0903  ORL   0830 0831 0901 0902 0903
MEAN    73   73   72   71   73  MEAN    86   86   85   85   86
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     0    0    0    0    1
%>90     0    0    0    0    0  %>90    11   11    8    8   14
%>85     0    0    0    0    0  %>85    60   56   47   49   57
%>80     0    0    0    1    1  %>80    96   94   90   91   92
%>75    20   15   12   15   24  %>75   100  100  100  100  100
%>70    89   86   84   63   82  %>70   100  100  100  100  100

           PHILADELPHIA_PA               PITTSBURGH_PA
PHL   0830 0831 0901 0902 0903  PIT   0830 0831 0901 0902 0903
MEAN    65   66   67   67   68  MEAN    58   61   64   66   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     0    0    0    0    0
%>80     0    0    0    0    1  %>80     0    0    0    0    0
%>75     0    1    3    5    7  %>75     0    0    1    3    6
%>70     6   14   25   26   36  %>70     0    0    9   21   31

               PORTLAND_ME               PROVIDENCE_RI
PWM   0830 0831 0901 0902 0903  PVD   0830 0831 0901 0902 0903
MEAN    62   62   63   63   64  MEAN    63   64   64   65   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     0    0    0    0    0  %>75     0    0    0    0    2
%>70     0    0    2    2    6  %>70     1    2    7    9   16

         RALEIGH-DURHAM_NC                 RICHMOND_VA
RDU   0830 0831 0901 0902 0903  RIC   0830 0831 0901 0902 0903
MEAN    73   71   69   70   71  MEAN    69   68   68   69   70
%>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     2    1    0    0    1  %>80     0    0    0    0    1
%>75    28   15    6    7   13  %>75     7    6    5    6   12
%>70    79   56   40   45   59  %>70    43   35   33   37   52

               SAVANNAH_GA              TALLAHASSEE_FL
SAV   0830 0831 0901 0902 0903  TLH   0830 0831 0901 0902 0903
MEAN    78   78   77   77   78  MEAN    81   80   80   79   80
%>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     2    0    1    0    1
%>85     2    1    1    3    4  %>85    18    8   11    8   11
%>80    27   28   22   24   32  %>80    59   48   51   44   53
%>75    78   86   75   69   81  %>75    91   90   90   86   91
%>70    98  100   98   95   99  %>70    99  100   99   99  100

                  TAMPA_FL               WASHINGTON_DC
TPA   0830 0831 0901 0902 0903  DCA   0830 0831 0901 0902 0903
MEAN    87   86   86   86   87  MEAN    66   67   68   69   70
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     4    2    1    2    3  %>95     0    0    0    0    0
%>90    26   18   15   19   22  %>90     0    0    0    0    0
%>85    69   62   57   60   63  %>85     0    0    0    0    0
%>80    95   94   92   91   93  %>80     0    0    0    0    1
%>75   100  100  100   99  100  %>75     1    3    4    7   13
%>70   100  100  100  100  100  %>70    16   23   33   39   52

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