Heat Index Forecast Tables
Issued by NWS
Issued by NWS
533
FMUS23 KWNH 200653
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0651 UTC SUN SEP 20 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN SEP 20 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0923 0924 0925 0926 0927 ALB 0923 0924 0925 0926 0927
MEAN 57 57 57 58 61 MEAN 52 52 53 56 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 0 0 0 0 %>75 0 0 0 0 0
%>70 0 0 0 0 2 %>70 0 0 0 0 0
ASHEVILLE_NC ATLANTA_GA
AVL 0923 0924 0925 0926 0927 ATL 0923 0924 0925 0926 0927
MEAN 64 61 60 59 59 MEAN 79 73 71 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 1 0 0 0 0
%>85 0 0 0 0 0 %>85 10 1 0 0 0
%>80 0 0 0 0 0 %>80 40 8 2 2 1
%>75 1 0 0 0 0 %>75 78 33 16 17 12
%>70 10 2 1 1 1 %>70 96 71 55 54 48
BALTIMORE_MD BIRMINGHAM_AL
BWI 0923 0924 0925 0926 0927 BHM 0923 0924 0925 0926 0927
MEAN 60 60 59 61 62 MEAN 81 75 73 72 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 3 0 0 0 0
%>85 0 0 0 0 0 %>85 20 3 1 0 0
%>80 0 0 0 0 0 %>80 61 18 7 4 5
%>75 0 0 0 0 0 %>75 92 52 35 27 26
%>70 0 1 0 1 4 %>70 100 85 76 69 64
BOSTON_MA BUFFALO_NY
BOS 0923 0924 0925 0926 0927 BUF 0923 0924 0925 0926 0927
MEAN 55 55 55 57 58 MEAN 54 55 55 58 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 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 2
CHARLESTON_SC CHARLESTON_WV
CHS 0923 0924 0925 0926 0927 CRW 0923 0924 0925 0926 0927
MEAN 82 77 73 71 70 MEAN 66 63 61 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 2 0 0 0 0 %>90 0 0 0 0 0
%>85 19 5 1 0 0 %>85 0 0 0 0 0
%>80 65 25 7 2 1 %>80 0 0 0 0 0
%>75 95 63 33 17 14 %>75 1 0 0 0 1
%>70 100 91 72 60 55 %>70 16 5 3 3 6
CHARLOTTE_NC CHICAGO_IL
CLT 0923 0924 0925 0926 0927 ORD 0923 0924 0925 0926 0927
MEAN 70 66 65 65 64 MEAN 58 59 60 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 2 0 0 0 0 %>80 0 0 0 0 0
%>75 14 3 1 1 0 %>75 0 0 0 0 1
%>70 46 19 11 10 9 %>70 0 0 0 1 7
CINCINNATI_OH CLEVELAND_OH
LUK 0923 0924 0925 0926 0927 CLE 0923 0924 0925 0926 0927
MEAN 65 64 63 62 64 MEAN 59 59 59 61 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 1 1 1 0 1 %>75 0 0 0 0 1
%>70 10 8 7 4 11 %>70 0 0 0 1 6
COLUMBIA_SC COLUMBUS_OH
CAE 0923 0924 0925 0926 0927 TZR 0923 0924 0925 0926 0927
MEAN 78 72 69 68 68 MEAN 62 61 60 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 1 0 0 0 0 %>90 0 0 0 0 0
%>85 8 0 0 0 0 %>85 0 0 0 0 0
%>80 34 5 1 0 0 %>80 0 0 0 0 0
%>75 71 25 9 7 5 %>75 0 0 0 0 0
%>70 94 63 41 36 30 %>70 2 2 1 1 4
DAYTON_OH DETROIT_MI
MGY 0923 0924 0925 0926 0927 DET 0923 0924 0925 0926 0927
MEAN 63 62 61 61 63 MEAN 57 58 59 61 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 0 0 0 0 0
%>70 4 4 3 2 8 %>70 0 0 0 0 5
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0923 0924 0925 0926 0927 GRR 0923 0924 0925 0926 0927
MEAN 67 66 67 66 68 MEAN 55 55 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 1 %>80 0 0 0 0 0
%>75 2 3 5 3 9 %>75 0 0 0 0 0
%>70 22 21 28 22 33 %>70 0 0 0 0 1
GREENSBORO_NC HUNTSVILLE_AL
GSO 0923 0924 0925 0926 0927 HSV 0923 0924 0925 0926 0927
MEAN 65 62 62 62 62 MEAN 78 73 71 70 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 1 0 0 0 0
%>85 0 0 0 0 0 %>85 6 1 0 0 0
%>80 0 0 0 0 0 %>80 31 10 4 3 3
%>75 3 0 0 0 0 %>75 71 35 23 17 18
%>70 18 4 2 2 3 %>70 94 69 61 52 50
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0923 0924 0925 0926 0927 TYS 0923 0924 0925 0926 0927
MEAN 62 62 62 62 64 MEAN 74 69 67 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 1 0 0 0 0
%>80 0 0 0 0 0 %>80 8 1 0 0 0
%>75 0 0 0 0 2 %>75 38 9 3 3 3
%>70 1 4 5 5 14 %>70 79 42 23 17 17
LEXINGTON_KY LOUISVILLE_KY
LEX 0923 0924 0925 0926 0927 SDF 0923 0924 0925 0926 0927
MEAN 66 64 63 62 63 MEAN 67 65 65 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 0 %>80 0 0 0 0 0
%>75 2 1 0 0 1 %>75 2 2 2 1 3
%>70 19 10 6 4 6 %>70 21 16 15 10 17
MEMPHIS_TN MIAMI_FL
MEM 0923 0924 0925 0926 0927 MIA 0923 0924 0925 0926 0927
MEAN 74 72 73 72 73 MEAN 90 90 90 89 87
%>100 0 0 0 0 0 %>100 4 2 2 2 1
%>95 0 0 0 0 0 %>95 19 12 12 13 5
%>90 0 0 0 0 0 %>90 51 46 46 43 26
%>85 1 0 0 0 2 %>85 84 85 86 81 67
%>80 10 4 6 5 12 %>80 97 99 99 97 94
%>75 45 25 31 29 38 %>75 100 100 100 100 100
%>70 84 67 71 70 71 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0923 0924 0925 0926 0927 MOB 0923 0924 0925 0926 0927
MEAN 56 57 58 59 61 MEAN 89 84 80 79 78
%>100 0 0 0 0 0 %>100 1 0 0 0 0
%>95 0 0 0 0 0 %>95 8 1 0 0 0
%>90 0 0 0 0 0 %>90 42 11 3 1 1
%>85 0 0 0 0 0 %>85 85 40 17 9 8
%>80 0 0 0 0 0 %>80 99 77 50 39 32
%>75 0 0 0 0 0 %>75 100 96 82 78 69
%>70 0 0 0 0 1 %>70 100 100 97 97 93
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0923 0924 0925 0926 0927 NYC 0923 0924 0925 0926 0927
MEAN 74 71 70 69 70 MEAN 58 58 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 1 1 0 0 1 %>85 0 0 0 0 0
%>80 12 7 3 3 5 %>80 0 0 0 0 0
%>75 43 27 19 15 19 %>75 0 0 0 0 0
%>70 80 59 53 45 48 %>70 0 0 0 1 3
NORFOLK_VA ORLANDO_FL
ORF 0923 0924 0925 0926 0927 ORL 0923 0924 0925 0926 0927
MEAN 73 71 67 66 67 MEAN 87 87 85 83 80
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 2 1 0 0 0
%>90 0 0 0 0 0 %>90 21 14 7 2 0
%>85 0 0 0 0 0 %>85 73 68 47 26 10
%>80 1 1 0 0 0 %>80 98 98 91 76 54
%>75 25 12 2 1 0 %>75 100 100 100 98 93
%>70 84 58 22 14 18 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0923 0924 0925 0926 0927 PIT 0923 0924 0925 0926 0927
MEAN 58 58 57 60 62 MEAN 57 57 57 58 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 0 0 0 0 0
%>70 0 0 0 2 4 %>70 0 0 0 1 2
PORTLAND_ME PROVIDENCE_RI
PWM 0923 0924 0925 0926 0927 PVD 0923 0924 0925 0926 0927
MEAN 52 52 53 55 56 MEAN 55 55 55 57 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 0 0 0 0 %>75 0 0 0 0 0
%>70 0 0 0 0 0 %>70 0 0 0 1 1
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0923 0924 0925 0926 0927 RIC 0923 0924 0925 0926 0927
MEAN 69 66 64 63 64 MEAN 65 64 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 2 0 0 0 0 %>80 0 0 0 0 0
%>75 13 3 0 0 0 %>75 1 1 0 0 0
%>70 43 20 7 7 8 %>70 13 8 3 2 4
SAVANNAH_GA TALLAHASSEE_FL
SAV 0923 0924 0925 0926 0927 TLH 0923 0924 0925 0926 0927
MEAN 84 78 75 73 72 MEAN 87 83 79 77 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 3 0 0 0 0
%>90 6 1 0 0 0 %>90 25 5 1 0 0
%>85 37 10 3 1 0 %>85 74 33 8 4 2
%>80 82 37 18 8 3 %>80 98 78 38 25 18
%>75 99 73 50 35 24 %>75 100 98 79 67 57
%>70 100 94 82 74 66 %>70 100 100 97 94 89
TAMPA_FL WASHINGTON_DC
TPA 0923 0924 0925 0926 0927 DCA 0923 0924 0925 0926 0927
MEAN 88 88 86 84 82 MEAN 60 60 59 60 62
%>100 1 0 0 0 0 %>100 0 0 0 0 0
%>95 9 5 2 0 0 %>95 0 0 0 0 0
%>90 36 32 17 7 2 %>90 0 0 0 0 0
%>85 74 76 60 37 22 %>85 0 0 0 0 0
%>80 95 97 93 80 67 %>80 0 0 0 0 0
%>75 99 100 100 98 95 %>75 0 0 0 0 0
%>70 100 100 100 100 100 %>70 1 1 1 1 4
URL IS WWW.WPC.NCEP.NOAA.GOV
$$