Heat Index Forecast Tables
Issued by NWS
Issued by NWS
654
FMUS23 KWNH 180654
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0652 UTC FRI SEP 18 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM FRI SEP 18 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0921 0922 0923 0924 0925 ALB 0921 0922 0923 0924 0925
MEAN 62 61 60 60 61 MEAN 56 52 52 53 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 3 3 3 1 3 %>70 0 0 0 0 0
ASHEVILLE_NC ATLANTA_GA
AVL 0921 0922 0923 0924 0925 ATL 0921 0922 0923 0924 0925
MEAN 74 71 66 65 63 MEAN 85 84 80 76 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 6 6 3 1 0
%>85 0 0 0 0 0 %>85 45 36 17 5 2
%>80 6 3 1 0 0 %>80 90 80 50 23 14
%>75 41 17 6 4 2 %>75 100 98 83 58 44
%>70 88 55 23 18 11 %>70 100 100 97 87 77
BALTIMORE_MD BIRMINGHAM_AL
BWI 0921 0922 0923 0924 0925 BHM 0921 0922 0923 0924 0925
MEAN 72 65 61 63 65 MEAN 87 86 82 77 74
%>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 22 19 5 1 0
%>85 1 0 0 0 0 %>85 74 63 26 6 2
%>80 6 0 0 0 0 %>80 98 94 65 26 14
%>75 28 2 0 1 1 %>75 100 100 92 61 44
%>70 64 18 3 10 12 %>70 100 100 99 89 77
BOSTON_MA BUFFALO_NY
BOS 0921 0922 0923 0924 0925 BUF 0921 0922 0923 0924 0925
MEAN 59 55 56 56 58 MEAN 55 54 55 57 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
CHARLESTON_SC CHARLESTON_WV
CHS 0921 0922 0923 0924 0925 CRW 0921 0922 0923 0924 0925
MEAN 86 86 83 81 78 MEAN 76 72 68 65 64
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 2 1 0 0 %>95 0 0 0 0 0
%>90 17 17 9 3 1 %>90 0 0 0 0 0
%>85 61 54 37 20 10 %>85 3 1 0 0 0
%>80 94 88 75 54 37 %>80 20 6 1 0 0
%>75 100 99 95 86 72 %>75 59 27 9 3 2
%>70 100 100 100 98 93 %>70 90 64 36 19 13
CHARLOTTE_NC CHICAGO_IL
CLT 0921 0922 0923 0924 0925 ORD 0921 0922 0923 0924 0925
MEAN 84 80 71 71 70 MEAN 58 57 58 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 3 2 0 0 0 %>90 0 0 0 0 0
%>85 36 15 1 1 0 %>85 0 0 0 0 0
%>80 88 47 8 7 3 %>80 0 0 0 0 0
%>75 100 81 27 26 17 %>75 0 0 0 0 0
%>70 100 97 56 57 48 %>70 0 0 0 0 2
CINCINNATI_OH CLEVELAND_OH
LUK 0921 0922 0923 0924 0925 CLE 0921 0922 0923 0924 0925
MEAN 73 68 66 64 64 MEAN 61 60 61 61 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 2 0 0 0 0 %>85 0 0 0 0 0
%>80 12 2 1 0 0 %>80 0 0 0 0 0
%>75 35 12 5 2 2 %>75 0 0 0 0 0
%>70 67 36 21 12 13 %>70 0 1 3 1 4
COLUMBIA_SC COLUMBUS_OH
CAE 0921 0922 0923 0924 0925 TZR 0921 0922 0923 0924 0925
MEAN 86 84 78 77 75 MEAN 67 65 64 62 63
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 1 0 0 0 %>95 0 0 0 0 0
%>90 11 11 2 1 0 %>90 0 0 0 0 0
%>85 58 43 10 9 4 %>85 0 0 0 0 0
%>80 95 81 36 30 18 %>80 1 0 0 0 0
%>75 100 97 70 63 49 %>75 7 4 2 0 1
%>70 100 100 92 88 80 %>70 29 19 14 5 8
DAYTON_OH DETROIT_MI
MGY 0921 0922 0923 0924 0925 DET 0921 0922 0923 0924 0925
MEAN 69 65 64 63 63 MEAN 57 56 58 60 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 3 1 0 0 0 %>80 0 0 0 0 0
%>75 15 5 2 1 1 %>75 0 0 0 0 0
%>70 42 22 13 7 9 %>70 0 0 1 0 2
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0921 0922 0923 0924 0925 GRR 0921 0922 0923 0924 0925
MEAN 82 72 67 67 68 MEAN 54 52 54 57 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 5 0 0 0 0 %>90 0 0 0 0 0
%>85 28 2 0 0 0 %>85 0 0 0 0 0
%>80 67 9 1 1 2 %>80 0 0 0 0 0
%>75 93 30 8 8 11 %>75 0 0 0 0 0
%>70 99 62 31 29 38 %>70 0 0 0 0 1
GREENSBORO_NC HUNTSVILLE_AL
GSO 0921 0922 0923 0924 0925 HSV 0921 0922 0923 0924 0925
MEAN 81 75 67 68 67 MEAN 87 85 79 74 73
%>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 1 0 0 0 0 %>90 21 16 3 0 0
%>85 13 4 0 0 0 %>85 70 53 15 3 2
%>80 61 19 2 2 1 %>80 97 87 43 16 10
%>75 96 52 11 11 6 %>75 100 99 75 43 33
%>70 100 83 32 35 28 %>70 100 100 94 75 67
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0921 0922 0923 0924 0925 TYS 0921 0922 0923 0924 0925
MEAN 69 64 62 63 64 MEAN 83 81 76 72 70
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 1 0 0 0
%>90 0 0 0 0 0 %>90 7 6 1 0 0
%>85 1 0 0 0 0 %>85 34 25 5 2 1
%>80 4 0 0 0 0 %>80 75 57 23 11 5
%>75 16 3 0 1 2 %>75 96 86 56 33 19
%>70 43 15 6 8 14 %>70 100 98 86 64 47
LEXINGTON_KY LOUISVILLE_KY
LEX 0921 0922 0923 0924 0925 SDF 0921 0922 0923 0924 0925
MEAN 79 71 67 65 65 MEAN 81 72 68 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 1 0 0 0 0 %>90 4 0 0 0 0
%>85 11 2 0 0 0 %>85 20 2 0 0 0
%>80 44 9 2 0 0 %>80 55 9 2 1 1
%>75 81 29 10 3 2 %>75 86 29 11 6 6
%>70 97 59 32 18 14 %>70 98 60 34 24 27
MEMPHIS_TN MIAMI_FL
MEM 0921 0922 0923 0924 0925 MIA 0921 0922 0923 0924 0925
MEAN 90 84 77 75 75 MEAN 89 90 90 90 90
%>100 0 0 0 0 0 %>100 2 5 6 4 3
%>95 7 2 0 0 0 %>95 12 19 22 19 16
%>90 51 14 3 1 1 %>90 40 51 52 51 49
%>85 94 43 12 6 5 %>85 76 83 81 84 84
%>80 100 76 32 22 19 %>80 95 97 96 98 98
%>75 100 95 61 49 49 %>75 100 100 100 100 100
%>70 100 99 84 77 79 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0921 0922 0923 0924 0925 MOB 0921 0922 0923 0924 0925
MEAN 57 55 57 58 60 MEAN 90 90 89 84 80
%>100 0 0 0 0 0 %>100 2 2 1 0 0
%>95 0 0 0 0 0 %>95 14 15 9 1 1
%>90 0 0 0 0 0 %>90 48 50 40 12 5
%>85 0 0 0 0 0 %>85 84 85 80 42 21
%>80 0 0 0 0 0 %>80 98 98 98 79 52
%>75 0 0 0 0 0 %>75 100 100 100 97 82
%>70 0 0 0 0 1 %>70 100 100 100 100 97
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0921 0922 0923 0924 0925 NYC 0921 0922 0923 0924 0925
MEAN 88 83 75 72 71 MEAN 65 59 59 60 62
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 6 1 0 0 0 %>95 0 0 0 0 0
%>90 33 10 1 0 0 %>90 0 0 0 0 0
%>85 75 34 7 2 1 %>85 0 0 0 0 0
%>80 96 68 23 11 8 %>80 0 0 0 0 0
%>75 100 91 51 33 28 %>75 0 0 0 0 0
%>70 100 99 78 62 60 %>70 9 0 0 1 3
NORFOLK_VA ORLANDO_FL
ORF 0921 0922 0923 0924 0925 ORL 0921 0922 0923 0924 0925
MEAN 81 78 73 73 71 MEAN 86 88 88 88 87
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 4 4 3 3
%>90 1 0 0 0 0 %>90 15 28 31 28 23
%>85 15 4 0 0 0 %>85 65 73 80 74 68
%>80 62 29 5 4 2 %>80 96 97 98 97 95
%>75 96 78 35 34 19 %>75 100 100 100 100 100
%>70 100 98 80 81 64 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0921 0922 0923 0924 0925 PIT 0921 0922 0923 0924 0925
MEAN 68 62 60 61 63 MEAN 64 62 60 60 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 1 0 0 0 0 %>80 0 0 0 0 0
%>75 9 0 0 0 1 %>75 2 1 0 0 0
%>70 37 4 1 4 9 %>70 12 6 3 2 4
PORTLAND_ME PROVIDENCE_RI
PWM 0921 0922 0923 0924 0925 PVD 0921 0922 0923 0924 0925
MEAN 56 52 52 52 55 MEAN 60 56 56 57 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 0 %>70 0 0 0 0 2
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0921 0922 0923 0924 0925 RIC 0921 0922 0923 0924 0925
MEAN 83 78 70 70 69 MEAN 79 73 66 68 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 3 1 0 0 0 %>90 2 0 0 0 0
%>85 32 10 1 0 0 %>85 15 1 0 0 0
%>80 82 38 6 4 2 %>80 46 9 2 1 1
%>75 99 75 22 21 14 %>75 80 34 8 9 6
%>70 100 95 50 53 44 %>70 96 69 26 33 28
SAVANNAH_GA TALLAHASSEE_FL
SAV 0921 0922 0923 0924 0925 TLH 0921 0922 0923 0924 0925
MEAN 86 86 84 82 79 MEAN 86 87 87 84 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 2 2 1 1 0 %>95 1 1 1 1 0
%>90 16 17 11 6 2 %>90 18 18 18 10 5
%>85 57 58 45 26 15 %>85 63 67 67 45 25
%>80 91 92 84 63 45 %>80 95 97 96 85 62
%>75 99 99 98 90 79 %>75 100 100 100 99 90
%>70 100 100 100 99 96 %>70 100 100 100 100 99
TAMPA_FL WASHINGTON_DC
TPA 0921 0922 0923 0924 0925 DCA 0921 0922 0923 0924 0925
MEAN 87 88 89 89 88 MEAN 73 67 61 63 65
%>100 0 0 1 1 0 %>100 0 0 0 0 0
%>95 4 5 9 9 5 %>95 0 0 0 0 0
%>90 23 30 39 40 30 %>90 0 0 0 0 0
%>85 64 72 79 79 71 %>85 2 0 0 0 0
%>80 93 95 97 97 95 %>80 13 1 0 0 0
%>75 99 100 100 100 100 %>75 39 6 1 2 2
%>70 100 100 100 100 100 %>70 71 28 6 11 13
URL IS WWW.WPC.NCEP.NOAA.GOV
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