Heat Index Forecast Tables
Issued by NWS
Issued by NWS
743
FMUS23 KWNH 131730
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1728 UTC SUN SEP 13 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN SEP 13 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0916 0917 0918 0919 0920 ALB 0916 0917 0918 0919 0920
MEAN 78 78 72 70 69 MEAN 65 68 67 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 2 0 1 1 %>90 0 0 0 0 0
%>85 5 12 2 3 3 %>85 0 0 0 0 0
%>80 29 37 10 11 9 %>80 0 0 1 0 0
%>75 71 70 31 27 24 %>75 0 6 8 2 2
%>70 95 92 61 50 45 %>70 5 34 30 10 8
ASHEVILLE_NC ATLANTA_GA
AVL 0916 0917 0918 0919 0920 ATL 0916 0917 0918 0919 0920
MEAN 72 72 73 73 73 MEAN 81 78 81 83 83
%>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 2 3 4
%>85 0 0 0 1 1 %>85 17 6 19 30 31
%>80 3 3 7 8 8 %>80 58 35 60 79 77
%>75 24 25 35 36 34 %>75 92 79 92 98 98
%>70 72 70 76 75 72 %>70 99 98 99 100 100
BALTIMORE_MD BIRMINGHAM_AL
BWI 0916 0917 0918 0919 0920 BHM 0916 0917 0918 0919 0920
MEAN 72 76 77 74 75 MEAN 86 83 84 86 85
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 1 0 1 1 2
%>90 0 0 0 1 3 %>90 16 5 10 15 16
%>85 0 0 4 6 11 %>85 59 30 41 56 53
%>80 0 7 26 21 27 %>80 93 72 80 90 87
%>75 10 59 67 46 50 %>75 100 96 97 99 99
%>70 82 97 93 73 73 %>70 100 100 100 100 100
BOSTON_MA BUFFALO_NY
BOS 0916 0917 0918 0919 0920 BUF 0916 0917 0918 0919 0920
MEAN 65 69 69 63 63 MEAN 71 70 66 64 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 2 1 1 %>80 0 4 2 1 1
%>75 0 6 12 4 4 %>75 12 18 9 6 5
%>70 3 38 40 16 14 %>70 66 47 28 19 16
CHARLESTON_SC CHARLESTON_WV
CHS 0916 0917 0918 0919 0920 CRW 0916 0917 0918 0919 0920
MEAN 79 80 84 85 85 MEAN 82 83 80 79 78
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 0 1 0 0 2
%>90 0 0 5 9 14 %>90 4 7 2 4 6
%>85 0 4 38 52 53 %>85 26 35 15 17 18
%>80 25 46 85 93 89 %>80 68 75 49 44 38
%>75 95 94 99 100 99 %>75 95 96 84 75 63
%>70 100 100 100 100 100 %>70 100 100 98 94 83
CHARLOTTE_NC CHICAGO_IL
CLT 0916 0917 0918 0919 0920 ORD 0916 0917 0918 0919 0920
MEAN 76 76 80 82 82 MEAN 70 72 71 71 68
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 0 0 0 0 0
%>90 0 0 0 3 8 %>90 0 0 0 1 0
%>85 0 1 9 24 32 %>85 0 2 2 5 1
%>80 11 16 47 66 67 %>80 1 11 8 15 6
%>75 58 63 88 94 91 %>75 9 34 26 33 18
%>70 95 95 99 100 99 %>70 49 65 53 57 39
CINCINNATI_OH CLEVELAND_OH
LUK 0916 0917 0918 0919 0920 CLE 0916 0917 0918 0919 0920
MEAN 86 86 79 78 76 MEAN 76 77 71 71 69
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 2 0 1 2 %>95 0 0 0 0 0
%>90 15 17 3 5 6 %>90 0 2 0 0 0
%>85 60 57 16 17 15 %>85 2 10 2 3 2
%>80 94 90 46 38 32 %>80 16 31 9 10 8
%>75 100 99 78 63 54 %>75 58 62 29 28 22
%>70 100 100 95 84 74 %>70 92 87 59 53 45
COLUMBIA_SC COLUMBUS_OH
CAE 0916 0917 0918 0919 0920 TZR 0916 0917 0918 0919 0920
MEAN 76 76 81 84 85 MEAN 83 83 77 75 73
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 1 2 0 1 1
%>90 0 0 1 8 12 %>90 9 12 2 4 3
%>85 0 1 16 42 46 %>85 36 38 11 12 10
%>80 10 13 61 85 84 %>80 74 73 32 28 23
%>75 64 64 94 99 98 %>75 95 93 62 51 43
%>70 97 97 100 100 100 %>70 100 99 86 73 65
DAYTON_OH DETROIT_MI
MGY 0916 0917 0918 0919 0920 DET 0916 0917 0918 0919 0920
MEAN 85 85 78 76 74 MEAN 72 71 68 68 66
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 2 3 0 1 1 %>95 0 0 0 0 0
%>90 14 16 3 5 4 %>90 0 0 0 0 0
%>85 49 47 14 14 12 %>85 0 2 1 2 1
%>80 85 81 38 31 26 %>80 2 10 4 7 4
%>75 98 97 68 55 46 %>75 20 30 16 19 13
%>70 100 100 90 77 67 %>70 67 58 40 40 32
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0916 0917 0918 0919 0920 GRR 0916 0917 0918 0919 0920
MEAN 90 89 84 82 79 MEAN 66 69 65 65 63
%>100 0 0 0 0 1 %>100 0 0 0 0 0
%>95 5 4 2 3 3 %>95 0 0 0 0 0
%>90 44 36 13 12 10 %>90 0 0 0 0 0
%>85 92 86 45 33 25 %>85 0 1 0 1 0
%>80 100 99 81 63 46 %>80 0 6 3 4 2
%>75 100 100 97 86 68 %>75 3 19 10 12 8
%>70 100 100 100 97 85 %>70 22 43 26 28 20
GREENSBORO_NC HUNTSVILLE_AL
GSO 0916 0917 0918 0919 0920 HSV 0916 0917 0918 0919 0920
MEAN 73 75 79 79 80 MEAN 87 85 85 85 84
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 3 1 1 2 3
%>90 0 0 0 2 6 %>90 21 14 11 14 16
%>85 0 1 7 12 21 %>85 65 51 46 51 45
%>80 3 11 37 42 49 %>80 94 88 84 87 77
%>75 27 48 79 78 77 %>75 100 99 98 99 94
%>70 76 88 97 96 93 %>70 100 100 100 100 99
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0916 0917 0918 0919 0920 TYS 0916 0917 0918 0919 0920
MEAN 85 85 79 77 74 MEAN 84 84 83 83 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 3 2 1 2 1 %>95 1 1 1 1 2
%>90 19 15 4 7 5 %>90 11 9 9 8 10
%>85 54 48 16 18 12 %>85 42 40 37 32 30
%>80 86 82 42 36 26 %>80 80 80 74 69 59
%>75 98 97 72 58 45 %>75 97 97 95 93 85
%>70 100 100 91 78 65 %>70 100 100 100 99 97
LEXINGTON_KY LOUISVILLE_KY
LEX 0916 0917 0918 0919 0920 SDF 0916 0917 0918 0919 0920
MEAN 86 86 82 80 78 MEAN 88 88 84 81 79
%>100 0 0 0 0 0 %>100 0 0 0 0 1
%>95 0 0 0 1 2 %>95 1 2 1 2 3
%>90 4 8 4 5 7 %>90 26 25 8 9 10
%>85 61 59 25 19 20 %>85 87 81 39 28 24
%>80 99 97 66 47 40 %>80 100 99 80 57 45
%>75 100 100 93 77 64 %>75 100 100 98 83 67
%>70 100 100 99 94 83 %>70 100 100 100 96 85
MEMPHIS_TN MIAMI_FL
MEM 0916 0917 0918 0919 0920 MIA 0916 0917 0918 0919 0920
MEAN 92 89 88 88 86 MEAN 91 90 91 91 90
%>100 0 0 0 1 3 %>100 6 3 6 5 4
%>95 12 8 6 7 11 %>95 22 15 22 21 18
%>90 74 42 31 32 30 %>90 58 46 53 53 49
%>85 99 85 74 70 55 %>85 89 81 83 84 82
%>80 100 99 96 94 79 %>80 99 97 97 97 97
%>75 100 100 100 99 93 %>75 100 100 100 100 100
%>70 100 100 100 100 98 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0916 0917 0918 0919 0920 MOB 0916 0917 0918 0919 0920
MEAN 65 68 66 68 65 MEAN 87 82 84 86 86
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 0 1 4 3
%>90 0 0 0 0 0 %>90 20 2 8 22 20
%>85 0 0 0 0 0 %>85 72 22 42 61 57
%>80 0 1 1 3 1 %>80 98 76 85 91 88
%>75 0 9 6 13 6 %>75 100 99 99 99 99
%>70 6 34 26 37 22 %>70 100 100 100 100 100
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0916 0917 0918 0919 0920 NYC 0916 0917 0918 0919 0920
MEAN 90 89 87 86 84 MEAN 69 74 73 69 70
%>100 0 0 0 0 1 %>100 0 0 0 0 0
%>95 8 5 3 3 7 %>95 0 0 0 0 0
%>90 47 36 24 20 20 %>90 0 0 0 0 0
%>85 89 82 72 56 44 %>85 0 0 1 1 2
%>80 99 99 97 87 70 %>80 0 4 7 7 9
%>75 100 100 100 98 89 %>75 2 41 37 20 24
%>70 100 100 100 100 97 %>70 39 92 78 44 48
NORFOLK_VA ORLANDO_FL
ORF 0916 0917 0918 0919 0920 ORL 0916 0917 0918 0919 0920
MEAN 74 76 80 80 81 MEAN 86 85 86 87 87
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 0 0 3 3 2
%>90 0 0 0 1 6 %>90 5 9 22 25 23
%>85 0 0 7 9 24 %>85 59 53 62 72 71
%>80 0 2 50 45 56 %>80 98 93 92 97 97
%>75 20 64 93 86 85 %>75 100 100 99 100 100
%>70 98 100 100 99 97 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0916 0917 0918 0919 0920 PIT 0916 0917 0918 0919 0920
MEAN 70 75 75 71 71 MEAN 76 78 73 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 1 2 %>90 0 1 0 1 1
%>85 0 0 2 4 6 %>85 1 7 2 3 3
%>80 0 5 17 13 16 %>80 14 36 10 11 10
%>75 4 46 52 31 34 %>75 57 77 35 28 25
%>70 52 93 86 57 57 %>70 93 97 70 53 48
PORTLAND_ME PROVIDENCE_RI
PWM 0916 0917 0918 0919 0920 PVD 0916 0917 0918 0919 0920
MEAN 61 63 64 59 58 MEAN 64 69 69 64 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 0 0 0 %>80 0 0 2 1 1
%>75 0 0 2 0 0 %>75 0 5 14 5 5
%>70 0 2 13 2 2 %>70 2 40 45 18 18
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0916 0917 0918 0919 0920 RIC 0916 0917 0918 0919 0920
MEAN 73 74 79 81 82 MEAN 73 75 79 78 79
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 2 %>95 0 0 0 0 2
%>90 0 0 0 3 10 %>90 0 0 0 3 9
%>85 0 0 5 21 31 %>85 0 0 6 13 24
%>80 0 4 43 60 61 %>80 0 4 38 38 47
%>75 16 44 90 91 86 %>75 18 44 83 69 71
%>70 85 92 100 99 97 %>70 84 93 99 91 88
SAVANNAH_GA TALLAHASSEE_FL
SAV 0916 0917 0918 0919 0920 TLH 0916 0917 0918 0919 0920
MEAN 80 80 84 85 85 MEAN 83 82 84 86 85
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 1 1 %>95 0 0 1 2 2
%>90 0 1 7 10 12 %>90 3 1 11 17 14
%>85 5 10 38 52 52 %>85 31 16 44 58 51
%>80 51 53 80 91 90 %>80 84 67 82 91 86
%>75 96 93 98 100 99 %>75 99 97 98 99 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
TAMPA_FL WASHINGTON_DC
TPA 0916 0917 0918 0919 0920 DCA 0916 0917 0918 0919 0920
MEAN 87 87 87 88 88 MEAN 72 76 78 75 76
%>100 0 0 0 1 1 %>100 0 0 0 0 0
%>95 2 1 4 6 7 %>95 0 0 0 0 1
%>90 22 18 27 31 31 %>90 0 0 1 2 5
%>85 75 67 68 70 70 %>85 0 0 6 9 15
%>80 98 96 94 94 94 %>80 0 9 31 26 32
%>75 100 100 100 99 99 %>75 15 60 70 52 55
%>70 100 100 100 100 100 %>70 83 96 94 77 76
URL IS WWW.WPC.NCEP.NOAA.GOV
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