Heat Index Forecast Tables
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FMUS23 KWNH 160744
PRBEHL

DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0742 UTC WED SEP 16 2026

MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED SEP 16 2026

           AKRON-CANTON_OH                   ALBANY_NY
CAK   0919 0920 0921 0922 0923  ALB   0919 0920 0921 0922 0923
MIN     56   64   62   61   61  MIN     44   48   48   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    2    1    2    1  %>75     0    0    0    0    0
%>70     0   14    7   10    7  %>70     0    0    0    0    0

              ASHEVILLE_NC                  ATLANTA_GA
AVL   0919 0920 0921 0922 0923  ATL   0919 0920 0921 0922 0923
MIN     66   64   63   63   62  MIN     73   72   72   72   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    0
%>80     0    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    0  %>75    27   12   13    9    9
%>70    10    6    4    3    4  %>70    91   83   86   77   62

              BALTIMORE_MD               BIRMINGHAM_AL
BWI   0919 0920 0921 0922 0923  BHM   0919 0920 0921 0922 0923
MIN     62   66   66   66   64  MIN     74   73   73   72   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    0
%>80     0    0    1    1    1  %>80     5    4    2    1    1
%>75     0    2    7    7    4  %>75    39   32   25   17   15
%>70     2   17   27   26   17  %>70    87   78   79   73   62

                 BOSTON_MA                  BUFFALO_NY
BOS   0919 0920 0921 0922 0923  BUF   0919 0920 0921 0922 0923
MIN     50   52   54   54   54  MIN     49   54   53   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    1
%>70     0    0    0    0    0  %>70     0    2    0    2    3

             CHARLESTON_SC               CHARLESTON_WV
CHS   0919 0920 0921 0922 0923  CRW   0919 0920 0921 0922 0923
MIN     73   74   75   75   74  MIN     66   70   69   68   66
%>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     4    6    8    8    7  %>80     0    0    0    0    0
%>75    34   40   48   48   40  %>75     0    5    1    3    5
%>70    83   86   91   91   84  %>70    12   49   38   29   24

              CHARLOTTE_NC                  CHICAGO_IL
CLT   0919 0920 0921 0922 0923  ORD   0919 0920 0921 0922 0923
MIN     71   69   70   69   67  MIN     65   64   62   61   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    1    1  %>80     0    0    0    0    0
%>75     9    6    9    8    7  %>75     3    2    0    1    1
%>70    61   41   49   42   31  %>70    18   15    5    5    8

             CINCINNATI_OH                CLEVELAND_OH
LUK   0919 0920 0921 0922 0923  CLE   0919 0920 0921 0922 0923
MIN     66   71   69   67   65  MIN     59   65   62   62   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    1    0    1    1  %>80     0    1    0    0    0
%>75     2   16    5    7    6  %>75     0    4    1    3    2
%>70    17   64   37   27   23  %>70     2   20    8   12   11

               COLUMBIA_SC                 COLUMBUS_OH
CAE   0919 0920 0921 0922 0923  TZR   0919 0920 0921 0922 0923
MIN     72   71   72   72   71  MIN     61   69   66   65   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    1    1    1  %>80     0    0    0    1    1
%>75    16   11   19   16   14  %>75     0    7    3    5    4
%>70    76   68   73   71   61  %>70     2   41   21   19   18

                 DAYTON_OH                  DETROIT_MI
MGY   0919 0920 0921 0922 0923  DET   0919 0920 0921 0922 0923
MIN     64   70   67   65   64  MIN     59   60   58   59   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    1    1  %>80     0    0    0    0    0
%>75     1   10    4    5    5  %>75     0    2    0    0    1
%>70     8   52   26   22   19  %>70     1    9    1    3    8

             EVANSVILLE_IN             GRAND_RAPIDS_MI
EVV   0919 0920 0921 0922 0923  GRR   0919 0920 0921 0922 0923
MIN     74   74   72   68   66  MIN     55   56   53   53   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     4    6    3    3    2  %>80     0    0    0    0    0
%>75    35   43   27   14   11  %>75     0    1    0    0    0
%>70    84   88   72   39   30  %>70     0    3    0    1    3

             GREENSBORO_NC               HUNTSVILLE_AL
GSO   0919 0920 0921 0922 0923  HSV   0919 0920 0921 0922 0923
MIN     69   67   68   67   66  MIN     74   73   72   71   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    1    0    0    0
%>80     0    0    0    0    1  %>80     7    7    3    2    1
%>75     3    2    5    6    5  %>75    40   33   26   17   12
%>70    35   24   35   30   22  %>70    83   73   71   61   47

           INDIANAPOLIS_IN                KNOXVILLE_TN
IND   0919 0920 0921 0922 0923  TYS   0919 0920 0921 0922 0923
MIN     67   71   67   65   63  MIN     71   71   70   69   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    1    0    1    1  %>80     0    0    0    0    0
%>75     5   16    6    5    5  %>75     5    8    5    3    4
%>70    26   64   29   20   17  %>70    71   62   56   43   30

              LEXINGTON_KY               LOUISVILLE_KY
LEX   0919 0920 0921 0922 0923  SDF   0919 0920 0921 0922 0923
MIN     68   72   70   67   65  MIN     71   74   72   69   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    2    0    1    1  %>80     1    4    1    2    2
%>75     3   23    8    7    6  %>75    15   40   17   11   10
%>70    30   75   52   31   23  %>70    60   89   73   39   30

                MEMPHIS_TN                    MIAMI_FL
MEM   0919 0920 0921 0922 0923  MIA   0919 0920 0921 0922 0923
MIN     76   76   76   73   71  MIN     80   79   80   82   82
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     1    1    1    2    2
%>90     0    0    0    0    0  %>90     6    6    7   11   13
%>85     1    1    2    1    1  %>85    20   20   24   33   36
%>80    15   11   19    8    5  %>80    46   46   52   60   63
%>75    63   57   60   35   25  %>75    75   74   79   83   85
%>70    94   92   90   74   60  %>70    93   92   95   96   96

              MILWAUKEE_WI                   MOBILE_AL
MKE   0919 0920 0921 0922 0923  MOB   0919 0920 0921 0922 0923
MIN     62   60   59   59   59  MIN     73   75   75   74   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     0    3    2    2    2
%>80     0    0    0    0    0  %>80     4   15   13   13   12
%>75     0    0    0    0    1  %>75    28   49   48   45   43
%>70     6    2    1    1    4  %>70    81   85   86   82   80

              NASHVILLE_TN            NEW_YORK_CITY_NY
BNA   0919 0920 0921 0922 0923  NYC   0919 0920 0921 0922 0923
MIN     74   75   73   71   69  MIN     58   61   61   61   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    1    0    0    0  %>85     0    0    0    0    0
%>80     4    9    5    1    2  %>80     0    0    0    0    0
%>75    42   48   35   14   12  %>75     0    0    1    1    1
%>70    90   88   81   58   41  %>70     0    3    6    7    5

                NORFOLK_VA                  ORLANDO_FL
ORF   0919 0920 0921 0922 0923  ORL   0919 0920 0921 0922 0923
MIN     73   72   74   74   73  MIN     74   75   75   75   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     1    1    4    7    4  %>80     3    3    5    8   12
%>75    33   27   45   46   34  %>75    41   44   46   55   64
%>70    79   72   82   84   75  %>70    93   93   93   95   97

           PHILADELPHIA_PA               PITTSBURGH_PA
PHL   0919 0920 0921 0922 0923  PIT   0919 0920 0921 0922 0923
MIN     59   62   63   63   61  MIN     58   65   63   63   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    3    3    2  %>75     0    1    2    2    1
%>70     0    4   13   14    9  %>70     0   14   11   12    9

               PORTLAND_ME               PROVIDENCE_RI
PWM   0919 0920 0921 0922 0923  PVD   0919 0920 0921 0922 0923
MIN     44   46   47   47   47  MIN     49   52   54   54   53
%>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    1    1    1

         RALEIGH-DURHAM_NC                 RICHMOND_VA
RDU   0919 0920 0921 0922 0923  RIC   0919 0920 0921 0922 0923
MIN     70   68   70   70   68  MIN     66   66   69   69   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    1    1    1  %>80     0    0    1    2    1
%>75     5    5   14   12    9  %>75     1    1    9   11    7
%>70    51   32   52   48   36  %>70    16   18   40   39   28

               SAVANNAH_GA              TALLAHASSEE_FL
SAV   0919 0920 0921 0922 0923  TLH   0919 0920 0921 0922 0923
MIN     73   74   75   75   74  MIN     74   74   74   74   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     0    0    0    0    0
%>80     3    7    5    5    6  %>80     0    1    2    2    3
%>75    30   42   45   45   43  %>75    23   29   33   34   35
%>70    83   88   94   94   90  %>70    95   91   91   91   88

                  TAMPA_FL               WASHINGTON_DC
TPA   0919 0920 0921 0922 0923  DCA   0919 0920 0921 0922 0923
MIN     75   76   76   77   77  MIN     63   66   67   67   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    1    1    2  %>90     0    0    0    0    0
%>85     1    2    4    7    9  %>85     0    0    0    0    0
%>80    13   17   21   28   31  %>80     0    0    1    1    1
%>75    53   56   57   63   65  %>75     0    2    7    8    5
%>70    92   91   88   90   90  %>70     3   17   30   28   19

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