Heat Index Forecast Tables
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
427
FMUS23 KWNH 221609
PRBEHI

DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1607 UTC FRI AUG 22 2025

MEAN HEAT INDEX (DEG F) AND MEAN 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
MEAN    62   59   60   63   65  MEAN    71   63   61   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    0    0    0    0  %>80     0    0    0    0    0
%>75     0    0    0    0    1  %>75    11    0    0    0    0
%>70     0    0    0    2   12  %>70    64    1    0    1    6

              ASHEVILLE_NC                  ATLANTA_GA
AVL   0825 0826 0827 0828 0829  ATL   0825 0826 0827 0828 0829
MEAN    69   64   62   63   65  MEAN    77   73   72   72   73
%>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    12    2    1    1    5
%>75     3    0    0    0    2  %>75    75   26   15   15   32
%>70    34    5    2    3   15  %>70    99   80   68   69   75

              BALTIMORE_MD               BIRMINGHAM_AL
BWI   0825 0826 0827 0828 0829  BHM   0825 0826 0827 0828 0829
MEAN    76   70   67   68   72  MEAN    76   73   71   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     0    0    0    0    1
%>80     2    0    0    0    0  %>80     9    2    0    1   12
%>75    65    2    0    1   13  %>75    60   25   14   20   44
%>70    99   43   11   28   70  %>70    96   75   66   72   81

                 BOSTON_MA                  BUFFALO_NY
BOS   0825 0826 0827 0828 0829  BUF   0825 0826 0827 0828 0829
MEAN    74   69   65   66   67  MEAN    64   60   60   63   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     5    0    0    0    0  %>80     0    0    0    0    0
%>75    39    1    0    0    3  %>75     0    0    0    0    1
%>70    89   35    3    8   26  %>70     0    0    0    3   10

             CHARLESTON_SC               CHARLESTON_WV
CHS   0825 0826 0827 0828 0829  CRW   0825 0826 0827 0828 0829
MEAN    87   83   79   78   78  MEAN    68   64   63   65   69
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     1    0    0    0    0  %>95     0    0    0    0    0
%>90    16    2    0    0    0  %>90     0    0    0    0    0
%>85    71   28    6    2    3  %>85     0    0    0    0    0
%>80    98   79   37   26   31  %>80     0    0    0    0    0
%>75   100   99   80   77   80  %>75     1    0    0    0    6
%>70   100  100   98   98   98  %>70    24    3    3    5   36

              CHARLOTTE_NC                  CHICAGO_IL
CLT   0825 0826 0827 0828 0829  ORD   0825 0826 0827 0828 0829
MEAN    78   72   69   70   72  MEAN    61   62   64   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    0  %>85     0    0    0    0    0
%>80    19    0    0    0    3  %>80     0    0    0    0    1
%>75    88   17    2    6   21  %>75     0    0    0    7   10
%>70   100   79   38   50   64  %>70     0    0    3   36   42

             CINCINNATI_OH                CLEVELAND_OH
LUK   0825 0826 0827 0828 0829  CLE   0825 0826 0827 0828 0829
MEAN    66   63   63   66   70  MEAN    64   61   62   65   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     0    0    0    0    2  %>80     0    0    0    0    0
%>75     0    0    0    1   15  %>75     0    0    0    0    1
%>70     8    2    2   15   49  %>70     1    0    0    8   17

               COLUMBIA_SC                 COLUMBUS_OH
CAE   0825 0826 0827 0828 0829  TZR   0825 0826 0827 0828 0829
MEAN    83   76   74   73   74  MEAN    63   61   61   64   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    19    0    0    0    0  %>85     0    0    0    0    0
%>80    86   11    5    2    5  %>80     0    0    0    0    0
%>75   100   68   35   27   36  %>75     0    0    0    0    5
%>70   100   98   82   80   82  %>70     2    0    0    5   30

                 DAYTON_OH                  DETROIT_MI
MGY   0825 0826 0827 0828 0829  DET   0825 0826 0827 0828 0829
MEAN    64   61   62   65   69  MEAN    62   60   62   67   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    1  %>80     0    0    0    0    0
%>75     0    0    0    0   11  %>75     0    0    0    1    5
%>70     2    0    0    9   42  %>70     0    0    0   20   25

             EVANSVILLE_IN             GRAND_RAPIDS_MI
EVV   0825 0826 0827 0828 0829  GRR   0825 0826 0827 0828 0829
MEAN    67   65   65   68   71  MEAN    59   58   60   65   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    1  %>85     0    0    0    0    0
%>80     0    0    0    0    6  %>80     0    0    0    0    0
%>75     1    0    0    3   26  %>75     0    0    0    1    4
%>70    19    5    8   28   60  %>70     0    0    0   14   22

             GREENSBORO_NC               HUNTSVILLE_AL
GSO   0825 0826 0827 0828 0829  HSV   0825 0826 0827 0828 0829
MEAN    75   70   66   67   69  MEAN    73   71   69   71   73
%>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    0    0    0    0  %>80     6    3    1    1   10
%>75    56    4    1    1    8  %>75    34   22    9   15   37
%>70    99   45   15   19   43  %>70    76   61   44   55   74

           INDIANAPOLIS_IN                KNOXVILLE_TN
IND   0825 0826 0827 0828 0829  TYS   0825 0826 0827 0828 0829
MEAN    63   61   62   65   69  MEAN    71   68   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    2  %>80     2    0    0    0    4
%>75     0    0    0    1   14  %>75    17    5    2    4   20
%>70     1    0    1   13   45  %>70    62   30   18   29   52

              LEXINGTON_KY               LOUISVILLE_KY
LEX   0825 0826 0827 0828 0829  SDF   0825 0826 0827 0828 0829
MEAN    67   64   64   66   70  MEAN    67   65   65   67   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     0    0    0    0    2  %>80     0    0    0    0    6
%>75     1    0    0    0   15  %>75     1    0    0    2   26
%>70    17    3    2   14   50  %>70    19    5    6   22   59

                MEMPHIS_TN                    MIAMI_FL
MEM   0825 0826 0827 0828 0829  MIA   0825 0826 0827 0828 0829
MEAN    75   72   71   72   74  MEAN    94   95   94   93   92
%>100    0    0    0    0    0  %>100   11   14   15   11   11
%>95     0    0    0    0    0  %>95    43   46   45   35   33
%>90     0    0    0    0    0  %>90    82   83   78   69   64
%>85     0    0    0    0    3  %>85    98   98   96   91   88
%>80     9    5    1    5   15  %>80   100  100  100   99   98
%>75    48   28   14   26   44  %>75   100  100  100  100  100
%>70    89   66   60   64   76  %>70   100  100  100  100  100

              MILWAUKEE_WI                   MOBILE_AL
MKE   0825 0826 0827 0828 0829  MOB   0825 0826 0827 0828 0829
MEAN    60   61   64   67   67  MEAN    88   83   81   80   82
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     0    0    0    0    0  %>95     2    2    0    0    0
%>90     0    0    0    0    0  %>90    24   12    3    1    4
%>85     0    0    0    0    0  %>85    76   39   20   14   24
%>80     0    0    0    0    0  %>80    98   74   57   54   64
%>75     0    0    0    4    5  %>75   100   94   88   90   92
%>70     1    1    4   24   27  %>70   100   99   98   99   99

              NASHVILLE_TN            NEW_YORK_CITY_NY
BNA   0825 0826 0827 0828 0829  NYC   0825 0826 0827 0828 0829
MEAN    71   70   68   69   72  MEAN    77   71   68   68   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    1  %>85     0    0    0    0    0
%>80     1    1    0    0    7  %>80     8    0    0    0    0
%>75    15   11    2    7   30  %>75    75    4    0    1   10
%>70    63   47   26   41   66  %>70   100   63   15   29   61

                NORFOLK_VA                  ORLANDO_FL
ORF   0825 0826 0827 0828 0829  ORL   0825 0826 0827 0828 0829
MEAN    81   75   73   72   74  MEAN    90   91   89   88   88
%>100    0    0    0    0    0  %>100    1    2    0    0    1
%>95     0    0    0    0    0  %>95    12   16    6    5   10
%>90     0    0    0    0    0  %>90    48   56   39   31   36
%>85     4    0    0    0    0  %>85    86   91   85   74   72
%>80    59    3    0    0    1  %>80    99   99   99   96   93
%>75    99   56   18   16   35  %>75   100  100  100  100   99
%>70   100   98   87   83   93  %>70   100  100  100  100  100

           PHILADELPHIA_PA               PITTSBURGH_PA
PHL   0825 0826 0827 0828 0829  PIT   0825 0826 0827 0828 0829
MEAN    76   69   66   67   70  MEAN    65   61   61   63   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     2    0    0    0    0  %>80     0    0    0    0    0
%>75    65    1    0    0    8  %>75     0    0    0    0    1
%>70   100   30    6   15   52  %>70     5    0    0    2   14

               PORTLAND_ME               PROVIDENCE_RI
PWM   0825 0826 0827 0828 0829  PVD   0825 0826 0827 0828 0829
MEAN    70   68   64   64   64  MEAN    74   69   65   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     2    0    0    0    0
%>75     1    0    0    0    0  %>75    36    2    0    0    3
%>70    42   17    0    1    8  %>70    94   33    5    6   26

         RALEIGH-DURHAM_NC                 RICHMOND_VA
RDU   0825 0826 0827 0828 0829  RIC   0825 0826 0827 0828 0829
MEAN    79   73   69   70   71  MEAN    78   71   69   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     1    0    0    0    0  %>85     0    0    0    0    0
%>80    30    1    0    0    1  %>80    17    0    0    0    0
%>75    92   22    3    2   15  %>75    86    8    1    1   12
%>70   100   84   41   45   63  %>70   100   69   32   34   63

               SAVANNAH_GA              TALLAHASSEE_FL
SAV   0825 0826 0827 0828 0829  TLH   0825 0826 0827 0828 0829
MEAN    87   83   80   79   79  MEAN    88   83   81   82   82
%>100    0    0    0    0    0  %>100    0    0    0    0    0
%>95     1    0    0    0    0  %>95     2    1    0    0    0
%>90    21    4    1    0    1  %>90    30    7    1    2    4
%>85    77   34   12    5    9  %>85    86   36   16   21   25
%>80    99   82   50   37   43  %>80   100   76   59   70   67
%>75   100   99   88   84   84  %>75   100   96   93   97   94
%>70   100  100   99   99   98  %>70   100  100  100  100  100

                  TAMPA_FL               WASHINGTON_DC
TPA   0825 0826 0827 0828 0829  DCA   0825 0826 0827 0828 0829
MEAN    92   93   90   89   89  MEAN    76   69   67   68   71
%>100    8    5    1    2    2  %>100    0    0    0    0    0
%>95    29   29   13   14   13  %>95     0    0    0    0    0
%>90    62   72   49   44   40  %>90     0    0    0    0    0
%>85    88   96   86   79   73  %>85     0    0    0    0    0
%>80    98  100   99   96   93  %>80     2    0    0    0    0
%>75   100  100  100  100   99  %>75    62    1    0    1   13
%>70   100  100  100  100  100  %>70    99   42   12   26   64

URL IS WWW.WPC.NCEP.NOAA.GOV

$$