Heat Index Forecast Tables
Issued by NWS
Issued by NWS
137
FMUS23 KWNH 201816
PRBEHH
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1730 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 1 %>85 0 0 0 0 1
%>80 0 0 0 0 8 %>80 0 0 0 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 0 0 0 0 0
%>100 0 0 0 0 0 %>100 2 1 0 0 0
%>95 0 0 0 0 0 %>95 10 4 0 0 0
%>90 0 0 0 0 0 %>90 30 13 3 3 3
%>85 0 0 0 0 0 %>85 58 31 16 18 19
%>80 1 2 1 1 1 %>80 83 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 0 0 0 0 0
%>105 0 0 0 0 0 %>105 1 0 0 0 0
%>100 0 0 0 0 0 %>100 8 0 0 0 0
%>95 0 0 0 0 0 %>95 30 4 2 1 2
%>90 0 0 0 0 0 %>90 64 18 13 9 12
%>85 0 0 0 0 0 %>85 89 49 42 36 40
%>80 0 0 0 1 2 %>80 98 80 77 74 76
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 0
%>80 0 0 0 0 1 %>80 0 0 0 1 4
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 1 0 0 0 0 %>105 0 0 0 0 0
%>100 4 2 0 0 0 %>100 0 0 0 0 0
%>95 19 7 2 0 0 %>95 0 0 0 0 0
%>90 50 22 8 1 0 %>90 0 0 0 0 0
%>85 81 47 26 11 5 %>85 0 0 0 0 3
%>80 96 74 56 45 39 %>80 2 2 0 2 15
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 1 0 0 0 %>90 0 0 0 0 0
%>85 4 3 2 1 0 %>85 0 0 0 0 1
%>80 16 13 12 10 9 %>80 0 0 0 3 8
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 0 1 10 %>85 0 0 0 0 2
%>80 6 4 4 9 28 %>80 0 0 0 0 9
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 0 0 0 0 0 %>105 0 0 0 0 0
%>100 2 0 0 0 0 %>100 0 0 0 0 0
%>95 8 2 0 0 0 %>95 0 0 0 0 0
%>90 24 7 1 1 0 %>90 0 0 0 0 1
%>85 49 20 8 7 5 %>85 0 0 0 0 4
%>80 74 43 33 36 36 %>80 1 2 0 2 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 2 %>90 0 0 0 0 0
%>85 0 0 0 0 8 %>85 0 0 0 0 0
%>80 3 2 1 4 23 %>80 0 0 0 1 5
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 0 1 8 %>90 0 0 0 0 0
%>85 2 4 4 10 25 %>85 0 0 0 0 0
%>80 16 22 25 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 0 0 0 0 0
%>100 0 0 0 0 0 %>100 2 1 0 0 0
%>95 0 0 0 0 0 %>95 10 3 1 1 2
%>90 0 0 0 0 0 %>90 33 14 8 6 12
%>85 0 0 0 0 0 %>85 66 38 31 28 37
%>80 3 2 3 2 3 %>80 89 68 66 63 69
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 0 0 0 0 0
%>95 0 0 0 0 1 %>95 1 0 0 0 0
%>90 0 0 0 0 5 %>90 7 2 0 0 1
%>85 0 0 0 3 14 %>85 24 9 3 4 9
%>80 1 2 2 13 33 %>80 53 31 19 21 30
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 0 %>90 0 0 0 0 1
%>85 1 0 0 0 3 %>85 2 1 1 2 9
%>80 10 3 3 5 18 %>80 12 7 9 16 34
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 15 11 9 7 3
%>105 0 0 0 0 0 %>105 29 27 24 20 11
%>100 0 0 0 0 1 %>100 48 48 48 44 29
%>95 1 1 1 1 5 %>95 67 70 73 70 55
%>90 10 10 10 10 21 %>90 82 87 90 88 80
%>85 42 36 38 37 52 %>85 92 95 97 97 94
%>80 81 73 75 73 82 %>80 97 99 99 99 99
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 13 1 0 0 0
%>105 0 0 0 0 0 %>105 36 4 1 0 0
%>100 0 0 0 0 0 %>100 67 19 5 2 2
%>95 0 0 0 0 0 %>95 90 47 21 14 11
%>90 0 0 0 0 0 %>90 98 77 52 45 37
%>85 0 0 0 0 0 %>85 100 94 82 80 71
%>80 0 0 0 0 0 %>80 100 99 96 96 93
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 1 1 0 0 1 %>100 0 0 0 0 0
%>95 5 3 2 2 6 %>95 0 0 0 0 0
%>90 17 12 9 9 18 %>90 0 0 0 0 0
%>85 40 32 29 28 41 %>85 0 0 0 0 0
%>80 67 59 59 57 67 %>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 4 1 0 0 0
%>105 0 0 0 0 0 %>105 15 7 2 1 0
%>100 0 0 0 0 0 %>100 41 29 13 8 1
%>95 0 0 0 0 0 %>95 71 66 43 29 8
%>90 0 0 0 0 0 %>90 91 91 78 62 37
%>85 3 1 0 0 0 %>85 98 99 96 87 78
%>80 18 9 4 2 4 %>80 100 100 100 98 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 0 %>85 0 0 0 0 1
%>80 0 0 0 1 2 %>80 0 0 0 1 8
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 1 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 4 1 2 0 1 %>85 0 0 0 0 0
%>80 16 9 10 5 12 %>80 3 1 2 2 4
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 3 0 0 0 0
%>105 1 1 0 0 0 %>105 17 1 0 0 0
%>100 11 3 0 0 0 %>100 49 7 1 0 0
%>95 39 13 3 0 0 %>95 81 32 7 3 1
%>90 74 33 16 5 1 %>90 97 69 33 22 13
%>85 94 60 42 28 13 %>85 100 93 72 61 51
%>80 99 83 74 68 62 %>80 100 99 95 91 88
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 4 1 0 %>105 0 0 0 0 0
%>100 45 41 20 9 2 %>100 0 0 0 0 0
%>95 71 73 54 32 15 %>95 0 0 0 0 0
%>90 89 93 85 67 49 %>90 0 0 0 0 0
%>85 97 99 98 92 85 %>85 0 0 0 0 0
%>80 100 100 100 99 98 %>80 0 0 0 0 2
URL IS WWW.WPC.NCEP.NOAA.GOV
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