Heat Index Forecast Tables
Issued by NWS
Issued by NWS
105
FMUS23 KWNH 180740
PRBEHH
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0654 UTC FRI SEP 18 2026
MAXIMUM HEAT INDEX (DEG F) AND MAXIMUM 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
MAX 67 65 65 67 69 MAX 62 59 61 62 66
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 0 0 0 0 0
%>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 1 0 4 %>80 0 0 0 1 1
ASHEVILLE_NC ATLANTA_GA
AVL 0921 0922 0923 0924 0925 ATL 0921 0922 0923 0924 0925
MAX 85 78 70 72 71 MAX 98 96 89 85 84
%>110 0 0 0 0 0 %>110 3 3 1 0 0
%>105 0 0 0 0 0 %>105 12 10 3 1 0
%>100 1 0 0 0 0 %>100 34 27 10 3 1
%>95 4 1 0 0 0 %>95 65 54 25 10 5
%>90 16 5 0 0 0 %>90 88 78 47 27 18
%>85 50 15 3 3 1 %>85 98 93 70 52 43
%>80 85 38 10 11 7 %>80 100 98 87 76 71
BALTIMORE_MD BIRMINGHAM_AL
BWI 0921 0922 0923 0924 0925 BHM 0921 0922 0923 0924 0925
MAX 76 69 65 69 72 MAX 102 101 93 87 85
%>110 0 0 0 0 0 %>110 10 12 1 0 0
%>105 0 0 0 0 0 %>105 30 30 6 1 0
%>100 0 0 0 0 0 %>100 62 55 18 3 1
%>95 0 0 0 0 0 %>95 87 78 41 13 6
%>90 3 0 0 0 0 %>90 97 92 68 34 21
%>85 11 0 0 0 1 %>85 100 98 87 61 48
%>80 30 3 0 3 9 %>80 100 100 97 84 77
BOSTON_MA BUFFALO_NY
BOS 0921 0922 0923 0924 0925 BUF 0921 0922 0923 0924 0925
MAX 63 59 60 61 64 MAX 61 59 62 65 67
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 0 0 0 0 0
%>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 0 %>80 0 0 0 1 4
CHARLESTON_SC CHARLESTON_WV
CHS 0921 0922 0923 0924 0925 CRW 0921 0922 0923 0924 0925
MAX 97 96 93 90 86 MAX 84 78 74 72 72
%>110 6 7 2 0 0 %>110 0 0 0 0 0
%>105 18 17 8 2 0 %>105 0 0 0 0 0
%>100 37 34 20 8 2 %>100 2 0 0 0 0
%>95 60 55 39 23 10 %>95 8 1 0 0 0
%>90 81 75 62 48 28 %>90 23 5 1 0 0
%>85 93 89 82 73 55 %>85 45 17 4 2 2
%>80 98 96 93 90 80 %>80 70 39 17 11 9
CHARLOTTE_NC CHICAGO_IL
CLT 0921 0922 0923 0924 0925 ORD 0921 0922 0923 0924 0925
MAX 98 90 76 80 79 MAX 62 61 63 66 69
%>110 5 2 0 0 0 %>110 0 0 0 0 0
%>105 16 7 0 0 0 %>105 0 0 0 0 0
%>100 38 16 0 1 0 %>100 0 0 0 0 0
%>95 64 32 1 3 1 %>95 0 0 0 0 0
%>90 85 51 5 10 5 %>90 0 0 0 0 0
%>85 96 70 14 25 17 %>85 0 0 0 0 0
%>80 99 85 32 48 41 %>80 0 0 0 0 3
CINCINNATI_OH CLEVELAND_OH
LUK 0921 0922 0923 0924 0925 CLE 0921 0922 0923 0924 0925
MAX 80 74 72 71 73 MAX 65 64 66 66 68
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 0 0 0 0 0
%>100 1 0 0 0 0 %>100 0 0 0 0 0
%>95 4 0 0 0 0 %>95 0 0 0 0 0
%>90 12 2 0 0 1 %>90 0 0 0 0 0
%>85 27 7 2 1 4 %>85 0 0 0 0 0
%>80 49 21 10 8 15 %>80 0 0 0 0 3
COLUMBIA_SC COLUMBUS_OH
CAE 0921 0922 0923 0924 0925 TZR 0921 0922 0923 0924 0925
MAX 100 97 86 87 84 MAX 73 71 70 69 71
%>110 7 8 0 0 0 %>110 0 0 0 0 0
%>105 22 18 1 2 0 %>105 0 0 0 0 0
%>100 47 36 4 7 2 %>100 0 0 0 0 0
%>95 74 57 12 18 7 %>95 0 0 0 0 0
%>90 91 77 30 36 21 %>90 1 0 0 0 0
%>85 98 90 53 59 45 %>85 4 2 1 0 2
%>80 100 97 75 78 71 %>80 15 10 5 3 9
DAYTON_OH DETROIT_MI
MGY 0921 0922 0923 0924 0925 DET 0921 0922 0923 0924 0925
MAX 75 72 70 70 72 MAX 62 61 63 66 69
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 0 0 0 0 0
%>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 3 0 0 0 0 %>90 0 0 0 0 0
%>85 11 3 1 1 3 %>85 0 0 0 0 1
%>80 27 12 5 4 11 %>80 0 0 0 0 4
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0921 0922 0923 0924 0925 GRR 0921 0922 0923 0924 0925
MAX 93 79 76 77 78 MAX 60 60 63 67 70
%>110 1 0 0 0 0 %>110 0 0 0 0 0
%>105 6 0 0 0 0 %>105 0 0 0 0 0
%>100 18 0 0 0 0 %>100 0 0 0 0 0
%>95 39 2 0 0 1 %>95 0 0 0 0 0
%>90 64 7 2 3 5 %>90 0 0 0 0 0
%>85 84 21 8 12 18 %>85 0 0 0 0 1
%>80 95 43 26 31 41 %>80 0 0 0 0 5
GREENSBORO_NC HUNTSVILLE_AL
GSO 0921 0922 0923 0924 0925 HSV 0921 0922 0923 0924 0925
MAX 93 83 71 75 76 MAX 102 99 90 85 83
%>110 1 0 0 0 0 %>110 12 12 1 0 0
%>105 3 1 0 0 0 %>105 31 26 4 0 0
%>100 15 3 0 0 0 %>100 59 47 11 2 1
%>95 39 9 0 1 0 %>95 82 69 26 8 6
%>90 68 22 1 3 1 %>90 95 86 49 24 18
%>85 89 42 4 10 7 %>85 99 95 71 48 42
%>80 98 64 13 27 25 %>80 100 99 88 73 68
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0921 0922 0923 0924 0925 TYS 0921 0922 0923 0924 0925
MAX 75 70 69 71 73 MAX 96 93 85 82 79
%>110 0 0 0 0 0 %>110 5 6 0 0 0
%>105 0 0 0 0 0 %>105 15 13 2 0 0
%>100 0 0 0 0 0 %>100 32 26 5 2 1
%>95 1 0 0 0 0 %>95 56 43 14 7 3
%>90 4 0 0 0 1 %>90 78 62 29 17 9
%>85 12 2 0 2 6 %>85 92 78 49 34 24
%>80 28 7 3 9 18 %>80 98 90 70 56 45
LEXINGTON_KY LOUISVILLE_KY
LEX 0921 0922 0923 0924 0925 SDF 0921 0922 0923 0924 0925
MAX 90 79 74 73 74 MAX 91 78 75 74 76
%>110 0 0 0 0 0 %>110 1 0 0 0 0
%>105 3 0 0 0 0 %>105 4 0 0 0 0
%>100 10 0 0 0 0 %>100 14 0 0 0 0
%>95 26 2 0 0 0 %>95 32 2 0 0 0
%>90 50 8 1 0 1 %>90 56 7 2 1 2
%>85 75 22 6 3 4 %>85 78 19 8 6 9
%>80 91 43 20 14 17 %>80 91 40 23 20 27
MEMPHIS_TN MIAMI_FL
MEM 0921 0922 0923 0924 0925 MIA 0921 0922 0923 0924 0925
MAX 104 95 87 86 85 MAX 99 100 100 100 100
%>110 18 3 0 0 0 %>110 10 14 15 11 10
%>105 43 10 2 1 0 %>105 23 30 29 26 26
%>100 72 26 6 3 2 %>100 44 51 48 48 49
%>95 91 49 17 12 8 %>95 66 71 68 70 72
%>90 98 72 37 29 24 %>90 84 87 83 87 89
%>85 100 89 60 53 50 %>85 94 95 93 96 97
%>80 100 97 80 76 76 %>80 98 99 98 99 99
MILWAUKEE_WI MOBILE_AL
MKE 0921 0922 0923 0924 0925 MOB 0921 0922 0923 0924 0925
MAX 61 60 62 65 67 MAX 104 105 103 95 90
%>110 0 0 0 0 0 %>110 27 27 17 1 0
%>105 0 0 0 0 0 %>105 48 49 38 7 2
%>100 0 0 0 0 0 %>100 70 71 64 23 9
%>95 0 0 0 0 0 %>95 86 87 84 49 26
%>90 0 0 0 0 0 %>90 95 96 95 76 52
%>85 0 0 0 0 0 %>85 99 99 99 93 77
%>80 0 0 0 0 1 %>80 100 100 100 99 93
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0921 0922 0923 0924 0925 NYC 0921 0922 0923 0924 0925
MAX 103 95 85 83 82 MAX 67 62 63 65 68
%>110 20 6 0 0 0 %>110 0 0 0 0 0
%>105 39 14 2 1 0 %>105 0 0 0 0 0
%>100 62 29 6 3 2 %>100 0 0 0 0 0
%>95 81 48 15 9 6 %>95 0 0 0 0 0
%>90 93 68 30 21 17 %>90 0 0 0 0 0
%>85 98 84 50 40 37 %>85 0 0 0 0 0
%>80 100 93 71 62 61 %>80 0 0 0 0 1
NORFOLK_VA ORLANDO_FL
ORF 0921 0922 0923 0924 0925 ORL 0921 0922 0923 0924 0925
MAX 89 83 76 77 76 MAX 98 100 100 99 98
%>110 1 0 0 0 0 %>110 3 10 9 6 5
%>105 4 0 0 0 0 %>105 14 27 26 20 16
%>100 10 2 0 0 0 %>100 37 51 52 44 38
%>95 21 6 0 0 0 %>95 67 75 77 71 66
%>90 40 16 0 1 1 %>90 89 91 93 90 86
%>85 64 34 3 8 5 %>85 98 98 98 97 96
%>80 87 61 17 29 21 %>80 100 100 100 100 99
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0921 0922 0923 0924 0925 PIT 0921 0922 0923 0924 0925
MAX 71 65 64 67 71 MAX 68 65 64 67 69
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 0 0 0 0 0
%>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 1 %>85 0 0 0 0 1
%>80 7 0 0 1 5 %>80 2 1 1 0 4
PORTLAND_ME PROVIDENCE_RI
PWM 0921 0922 0923 0924 0925 PVD 0921 0922 0923 0924 0925
MAX 64 60 59 60 63 MAX 64 60 61 63 66
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 0 0 0 0 0
%>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
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0921 0922 0923 0924 0925 RIC 0921 0922 0923 0924 0925
MAX 96 87 74 78 78 MAX 89 78 68 74 75
%>110 2 0 0 0 0 %>110 1 0 0 0 0
%>105 10 2 0 0 0 %>105 4 0 0 0 0
%>100 29 7 0 0 0 %>100 11 0 0 0 0
%>95 56 19 1 1 0 %>95 26 2 0 0 0
%>90 80 38 3 4 3 %>90 46 7 0 1 1
%>85 94 60 9 16 13 %>85 68 19 2 6 6
%>80 99 80 23 40 36 %>80 84 40 7 20 23
SAVANNAH_GA TALLAHASSEE_FL
SAV 0921 0922 0923 0924 0925 TLH 0921 0922 0923 0924 0925
MAX 97 97 95 91 88 MAX 99 100 99 95 91
%>110 6 5 3 1 0 %>110 5 5 4 1 0
%>105 16 16 10 3 1 %>105 18 20 17 6 1
%>100 36 37 26 12 4 %>100 43 48 44 22 8
%>95 60 62 50 31 15 %>95 72 77 75 51 28
%>90 81 83 74 57 38 %>90 91 94 93 79 58
%>85 93 94 90 80 67 %>85 98 99 99 95 84
%>80 98 99 97 94 88 %>80 100 100 100 99 96
TAMPA_FL WASHINGTON_DC
TPA 0921 0922 0923 0924 0925 DCA 0921 0922 0923 0924 0925
MAX 97 99 100 100 98 MAX 78 70 64 69 72
%>110 3 7 9 9 4 %>110 0 0 0 0 0
%>105 13 20 25 25 15 %>105 0 0 0 0 0
%>100 34 42 49 50 38 %>100 0 0 0 0 0
%>95 63 69 75 76 68 %>95 2 0 0 0 0
%>90 87 88 91 92 89 %>90 8 0 0 0 0
%>85 97 97 98 98 98 %>85 21 1 0 0 1
%>80 100 99 100 100 100 %>80 42 6 0 3 8
URL IS WWW.WPC.NCEP.NOAA.GOV
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