Heat Index Forecast Tables
Issued by NWS
Issued by NWS
153
FMUS23 KWNH 200740
PRBEHH
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0654 UTC SUN SEP 20 2026
MAXIMUM HEAT INDEX (DEG F) AND MAXIMUM 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
MAX 62 64 66 68 72 MAX 62 62 63 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 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 2 %>85 0 0 0 0 1
%>80 0 0 0 1 10 %>80 0 0 1 2 4
ASHEVILLE_NC ATLANTA_GA
AVL 0923 0924 0925 0926 0927 ATL 0923 0924 0925 0926 0927
MAX 68 67 68 68 69 MAX 86 81 80 80 81
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 1 0 0 0 0
%>100 0 0 0 0 0 %>100 5 1 0 0 0
%>95 0 0 0 0 0 %>95 15 3 0 0 0
%>90 0 0 0 0 0 %>90 33 11 3 4 3
%>85 0 0 0 0 0 %>85 57 29 16 19 20
%>80 2 1 1 1 1 %>80 78 55 48 51 55
BALTIMORE_MD BIRMINGHAM_AL
BWI 0923 0924 0925 0926 0927 BHM 0923 0924 0925 0926 0927
MAX 65 65 66 69 71 MAX 92 85 84 83 84
%>110 0 0 0 0 0 %>110 1 0 0 0 0
%>105 0 0 0 0 0 %>105 4 0 0 0 0
%>100 0 0 0 0 0 %>100 13 1 0 0 0
%>95 0 0 0 0 0 %>95 34 7 3 2 3
%>90 0 0 0 0 0 %>90 61 22 15 12 15
%>85 0 0 0 0 1 %>85 83 49 42 37 42
%>80 0 0 1 1 6 %>80 95 76 75 71 73
BOSTON_MA BUFFALO_NY
BOS 0923 0924 0925 0926 0927 BUF 0923 0924 0925 0926 0927
MAX 61 60 61 63 65 MAX 62 62 64 67 70
%>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 1 %>80 0 0 0 2 6
CHARLESTON_SC CHARLESTON_WV
CHS 0923 0924 0925 0926 0927 CRW 0923 0924 0925 0926 0927
MAX 90 85 81 79 79 MAX 71 70 69 70 73
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 2 0 0 0 0 %>105 0 0 0 0 0
%>100 8 1 0 0 0 %>100 0 0 0 0 0
%>95 23 7 1 0 0 %>95 0 0 0 0 0
%>90 50 21 7 1 0 %>90 0 0 0 0 1
%>85 76 47 26 11 6 %>85 1 0 0 1 4
%>80 93 75 57 45 40 %>80 5 2 2 4 16
CHARLOTTE_NC CHICAGO_IL
CLT 0923 0924 0925 0926 0927 ORD 0923 0924 0925 0926 0927
MAX 74 73 74 75 75 MAX 63 65 67 70 72
%>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 1 0 0 0 0 %>90 0 0 0 0 0
%>85 5 2 1 1 1 %>85 0 0 0 0 1
%>80 18 11 10 11 14 %>80 0 0 0 2 7
CINCINNATI_OH CLEVELAND_OH
LUK 0923 0924 0925 0926 0927 CLE 0923 0924 0925 0926 0927
MAX 71 71 71 73 76 MAX 63 65 65 68 71
%>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 2 %>90 0 0 0 0 0
%>85 1 0 1 1 10 %>85 0 0 0 0 2
%>80 5 5 5 9 28 %>80 0 0 0 1 10
COLUMBIA_SC COLUMBUS_OH
CAE 0923 0924 0925 0926 0927 TZR 0923 0924 0925 0926 0927
MAX 85 79 78 78 79 MAX 67 68 68 70 74
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 1 0 0 0 0 %>105 0 0 0 0 0
%>100 4 0 0 0 0 %>100 0 0 0 0 0
%>95 11 1 0 0 0 %>95 0 0 0 0 0
%>90 27 4 1 1 0 %>90 0 0 0 0 1
%>85 49 16 8 8 7 %>85 0 0 0 0 4
%>80 71 42 32 36 37 %>80 1 1 1 3 16
DAYTON_OH DETROIT_MI
MGY 0923 0924 0925 0926 0927 DET 0923 0924 0925 0926 0927
MAX 69 69 69 71 75 MAX 61 63 66 70 72
%>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 1 %>90 0 0 0 0 0
%>85 0 0 0 0 7 %>85 0 0 0 0 1
%>80 2 3 1 5 23 %>80 0 0 0 1 6
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0923 0924 0925 0926 0927 GRR 0923 0924 0925 0926 0927
MAX 76 76 77 78 80 MAX 62 64 67 70 71
%>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 2 %>95 0 0 0 0 0
%>90 0 0 1 2 8 %>90 0 0 0 0 0
%>85 3 5 6 11 25 %>85 0 0 0 0 0
%>80 18 23 27 36 52 %>80 0 0 0 0 2
GREENSBORO_NC HUNTSVILLE_AL
GSO 0923 0924 0925 0926 0927 HSV 0923 0924 0925 0926 0927
MAX 69 68 71 72 73 MAX 87 83 82 82 83
%>110 0 0 0 0 0 %>110 0 0 0 0 0
%>105 0 0 0 0 0 %>105 1 0 0 0 0
%>100 0 0 0 0 0 %>100 5 1 0 0 1
%>95 0 0 0 0 0 %>95 16 5 2 2 4
%>90 0 0 0 0 0 %>90 36 17 10 9 15
%>85 1 0 0 0 0 %>85 63 39 32 30 38
%>80 4 2 2 2 5 %>80 84 66 65 62 67
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0923 0924 0925 0926 0927 TYS 0923 0924 0925 0926 0927
MAX 68 70 70 73 76 MAX 81 77 75 76 77
%>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 1 0 0 0 0
%>95 0 0 0 0 1 %>95 3 0 0 0 0
%>90 0 0 0 0 3 %>90 10 3 0 1 3
%>85 0 0 0 2 12 %>85 27 12 4 8 11
%>80 1 1 2 11 31 %>80 53 33 20 25 32
LEXINGTON_KY LOUISVILLE_KY
LEX 0923 0924 0925 0926 0927 SDF 0923 0924 0925 0926 0927
MAX 73 72 72 73 75 MAX 74 73 74 75 78
%>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 1 %>90 0 0 0 0 2
%>85 2 1 0 1 5 %>85 2 1 1 2 12
%>80 10 5 5 6 21 %>80 12 9 11 16 35
MEMPHIS_TN MIAMI_FL
MEM 0923 0924 0925 0926 0927 MIA 0923 0924 0925 0926 0927
MAX 84 83 83 83 85 MAX 99 100 100 99 96
%>110 0 0 0 0 0 %>110 12 9 7 8 3
%>105 0 0 0 0 0 %>105 27 24 22 22 11
%>100 0 0 0 0 2 %>100 47 48 48 44 29
%>95 3 2 2 2 8 %>95 69 73 75 69 55
%>90 16 12 12 13 24 %>90 85 90 92 87 79
%>85 43 38 39 38 52 %>85 94 97 98 96 93
%>80 75 70 73 70 78 %>80 98 99 100 99 98
MILWAUKEE_WI MOBILE_AL
MKE 0923 0924 0925 0926 0927 MOB 0923 0924 0925 0926 0927
MAX 61 63 64 66 68 MAX 103 95 90 89 88
%>110 0 0 0 0 0 %>110 16 2 0 0 0
%>105 0 0 0 0 0 %>105 38 8 2 1 0
%>100 0 0 0 0 0 %>100 65 23 8 4 2
%>95 0 0 0 0 0 %>95 86 47 25 18 13
%>90 0 0 0 0 0 %>90 96 73 52 46 38
%>85 0 0 0 0 0 %>85 99 90 78 76 70
%>80 0 0 0 0 0 %>80 100 98 93 93 91
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0923 0924 0925 0926 0927 NYC 0923 0924 0925 0926 0927
MAX 83 82 81 81 83 MAX 64 63 64 68 70
%>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 2 1 1 1 2 %>100 0 0 0 0 0
%>95 7 5 3 3 8 %>95 0 0 0 0 0
%>90 19 15 12 12 21 %>90 0 0 0 0 0
%>85 41 34 31 31 42 %>85 0 0 0 0 0
%>80 66 58 58 56 65 %>80 0 0 0 1 3
NORFOLK_VA ORLANDO_FL
ORF 0923 0924 0925 0926 0927 ORL 0923 0924 0925 0926 0927
MAX 76 74 70 71 73 MAX 99 97 94 92 88
%>110 0 0 0 0 0 %>110 3 1 0 0 0
%>105 0 0 0 0 0 %>105 14 8 2 0 0
%>100 0 0 0 0 0 %>100 40 30 14 5 1
%>95 0 0 0 0 0 %>95 72 65 43 25 8
%>90 0 0 0 0 0 %>90 92 90 77 64 37
%>85 3 2 0 0 1 %>85 99 99 95 92 77
%>80 18 11 3 2 6 %>80 100 100 99 99 97
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0923 0924 0925 0926 0927 PIT 0923 0924 0925 0926 0927
MAX 64 63 64 68 70 MAX 61 63 66 68 72
%>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 1 %>85 0 0 0 0 2
%>80 0 0 0 1 5 %>80 0 0 0 3 10
PORTLAND_ME PROVIDENCE_RI
PWM 0923 0924 0925 0926 0927 PVD 0923 0924 0925 0926 0927
MAX 60 61 61 63 65 MAX 62 61 61 64 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 1 1 %>80 0 0 0 0 1
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0923 0924 0925 0926 0927 RIC 0923 0924 0925 0926 0927
MAX 74 72 72 73 75 MAX 70 69 68 70 73
%>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 1 0 0 0 0 %>90 0 0 0 0 0
%>85 6 1 1 1 2 %>85 0 0 0 0 1
%>80 19 9 7 7 15 %>80 4 2 2 2 7
SAVANNAH_GA TALLAHASSEE_FL
SAV 0923 0924 0925 0926 0927 TLH 0923 0924 0925 0926 0927
MAX 93 87 84 82 81 MAX 100 93 88 86 85
%>110 0 0 0 0 0 %>110 5 0 0 0 0
%>105 3 0 0 0 0 %>105 20 2 0 0 0
%>100 15 3 1 0 0 %>100 49 10 1 0 0
%>95 40 12 5 1 0 %>95 78 34 9 3 1
%>90 71 33 18 6 1 %>90 94 67 34 22 14
%>85 91 61 43 29 16 %>85 99 90 71 61 51
%>80 98 84 72 67 60 %>80 100 98 93 91 87
TAMPA_FL WASHINGTON_DC
TPA 0923 0924 0925 0926 0927 DCA 0923 0924 0925 0926 0927
MAX 99 99 96 93 90 MAX 65 65 65 68 71
%>110 7 4 1 0 0 %>110 0 0 0 0 0
%>105 21 15 6 1 0 %>105 0 0 0 0 0
%>100 45 41 22 8 3 %>100 0 0 0 0 0
%>95 71 73 53 32 16 %>95 0 0 0 0 0
%>90 89 93 83 68 49 %>90 0 0 0 0 0
%>85 97 99 97 92 84 %>85 0 0 0 0 1
%>80 100 100 100 99 98 %>80 0 0 0 1 5
URL IS WWW.WPC.NCEP.NOAA.GOV
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