Heat Index Forecast Tables
Issued by NWS
Issued by NWS
992
FMUS23 KWNH 171819
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1818 UTC THU SEP 17 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM THU SEP 17 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0920 0921 0922 0923 0924 ALB 0920 0921 0922 0923 0924
MIN 65 58 57 55 54 MIN 50 50 45 43 44
%>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 0 0 0 0 %>75 0 0 0 0 0
%>70 11 1 1 1 1 %>70 0 0 0 0 0
ASHEVILLE_NC ATLANTA_GA
AVL 0920 0921 0922 0923 0924 ATL 0920 0921 0922 0923 0924
MIN 65 64 63 60 56 MIN 73 72 72 70 66
%>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 13 6 8 5 4
%>70 7 3 2 3 1 %>70 90 82 74 54 23
BALTIMORE_MD BIRMINGHAM_AL
BWI 0920 0921 0922 0923 0924 BHM 0920 0921 0922 0923 0924
MIN 68 67 62 56 56 MIN 73 72 72 71 67
%>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 4 3 2 1 0
%>75 1 4 1 0 0 %>75 31 24 20 14 5
%>70 24 26 7 2 1 %>70 79 73 67 56 28
BOSTON_MA BUFFALO_NY
BOS 0920 0921 0922 0923 0924 BUF 0920 0921 0922 0923 0924
MIN 52 55 52 51 51 MIN 56 51 49 48 50
%>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 0 0
CHARLESTON_SC CHARLESTON_WV
CHS 0920 0921 0922 0923 0924 CRW 0920 0921 0922 0923 0924
MIN 75 75 74 73 70 MIN 69 69 66 63 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 3 4 3 3 2 %>80 0 0 0 0 0
%>75 54 52 39 27 15 %>75 3 0 1 1 0
%>70 98 97 92 75 52 %>70 41 27 15 7 3
CHARLOTTE_NC CHICAGO_IL
CLT 0920 0921 0922 0923 0924 ORD 0920 0921 0922 0923 0924
MIN 70 71 69 64 60 MIN 65 58 55 55 57
%>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 6 8 5 3 1 %>75 0 0 0 0 0
%>70 52 58 39 17 7 %>70 7 0 0 0 1
CINCINNATI_OH CLEVELAND_OH
LUK 0920 0921 0922 0923 0924 CLE 0920 0921 0922 0923 0924
MIN 71 67 63 62 59 MIN 65 59 57 57 57
%>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 1 0 0 0 0 %>80 0 0 0 0 0
%>75 14 3 1 1 1 %>75 1 0 0 0 0
%>70 60 23 10 6 4 %>70 11 0 1 1 2
COLUMBIA_SC COLUMBUS_OH
CAE 0920 0921 0922 0923 0924 TZR 0920 0921 0922 0923 0924
MIN 72 72 72 69 65 MIN 69 63 61 60 57
%>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 12 16 11 8 4 %>75 6 1 1 0 0
%>70 84 82 75 43 19 %>70 39 7 5 4 2
DAYTON_OH DETROIT_MI
MGY 0920 0921 0922 0923 0924 DET 0920 0921 0922 0923 0924
MIN 70 64 61 60 58 MIN 60 55 53 56 57
%>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 9 1 1 1 0 %>75 0 0 0 0 0
%>70 50 12 6 5 3 %>70 0 0 0 1 1
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0920 0921 0922 0923 0924 GRR 0920 0921 0922 0923 0924
MIN 75 72 66 62 61 MIN 57 51 47 49 51
%>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 6 2 0 0 0 %>80 0 0 0 0 0
%>75 45 23 4 2 2 %>75 0 0 0 0 0
%>70 90 70 23 9 9 %>70 0 0 0 0 0
GREENSBORO_NC HUNTSVILLE_AL
GSO 0920 0921 0922 0923 0924 HSV 0920 0921 0922 0923 0924
MIN 69 69 67 60 57 MIN 73 72 71 69 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 2 1 1 1 0
%>75 4 6 3 2 1 %>75 29 22 16 11 4
%>70 37 44 24 9 4 %>70 83 75 63 41 21
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0920 0921 0922 0923 0924 TYS 0920 0921 0922 0923 0924
MIN 71 65 60 58 58 MIN 71 70 69 67 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 0 0 0
%>75 12 1 1 0 0 %>75 6 4 1 1 2
%>70 65 14 5 3 3 %>70 64 51 36 20 13
LEXINGTON_KY LOUISVILLE_KY
LEX 0920 0921 0922 0923 0924 SDF 0920 0921 0922 0923 0924
MIN 71 70 65 62 60 MIN 74 71 66 62 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 1 0 0 0 0 %>80 2 0 0 0 0
%>75 16 6 3 1 1 %>75 35 12 4 1 1
%>70 66 45 17 8 5 %>70 87 61 21 9 7
MEMPHIS_TN MIAMI_FL
MEM 0920 0921 0922 0923 0924 MIA 0920 0921 0922 0923 0924
MIN 76 76 74 69 68 MIN 79 80 81 81 81
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 0 1 1 1 2
%>90 0 0 0 0 0 %>90 3 5 8 9 8
%>85 0 2 0 1 1 %>85 14 19 27 29 27
%>80 12 19 8 4 4 %>80 42 48 56 58 56
%>75 62 62 39 18 16 %>75 76 79 83 83 83
%>70 95 92 81 46 39 %>70 95 95 96 96 96
MILWAUKEE_WI MOBILE_AL
MKE 0920 0921 0922 0923 0924 MOB 0920 0921 0922 0923 0924
MIN 61 56 53 54 56 MIN 75 75 75 75 74
%>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 2 3 2 1
%>80 0 0 0 0 0 %>80 11 14 16 15 10
%>75 0 0 0 0 0 %>75 47 49 47 47 38
%>70 0 0 0 0 1 %>70 90 86 82 83 77
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0920 0921 0922 0923 0924 NYC 0920 0921 0922 0923 0924
MIN 74 74 71 66 65 MIN 62 62 58 53 54
%>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 6 4 1 1 1 %>80 0 0 0 0 0
%>75 44 38 15 6 5 %>75 0 0 0 0 0
%>70 89 85 60 26 20 %>70 1 3 0 0 0
NORFOLK_VA ORLANDO_FL
ORF 0920 0921 0922 0923 0924 ORL 0920 0921 0922 0923 0924
MIN 73 74 73 70 68 MIN 75 75 75 76 76
%>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 2 2 1 1 %>80 2 3 4 10 10
%>75 38 44 33 15 10 %>75 48 48 51 57 61
%>70 80 84 78 55 38 %>70 98 96 96 94 96
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0920 0921 0922 0923 0924 PIT 0920 0921 0922 0923 0924
MIN 64 65 60 54 54 MIN 66 60 59 54 54
%>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 1 0 0 0 %>75 0 0 0 0 0
%>70 4 13 2 0 1 %>70 9 3 2 1 0
PORTLAND_ME PROVIDENCE_RI
PWM 0920 0921 0922 0923 0924 PVD 0920 0921 0922 0923 0924
MIN 47 48 45 44 45 MIN 52 56 52 49 50
%>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 0 0
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0920 0921 0922 0923 0924 RIC 0920 0921 0922 0923 0924
MIN 70 71 69 64 60 MIN 68 70 67 61 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 1 0 %>80 0 0 0 0 0
%>75 6 11 7 4 1 %>75 1 8 4 2 1
%>70 50 65 42 17 7 %>70 27 48 26 10 5
SAVANNAH_GA TALLAHASSEE_FL
SAV 0920 0921 0922 0923 0924 TLH 0920 0921 0922 0923 0924
MIN 75 75 74 73 71 MIN 74 74 73 74 73
%>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 4 4 4 3 2 %>80 2 2 2 4 1
%>75 48 41 38 31 19 %>75 39 32 30 36 27
%>70 98 96 91 82 60 %>70 93 89 87 86 85
TAMPA_FL WASHINGTON_DC
TPA 0920 0921 0922 0923 0924 DCA 0920 0921 0922 0923 0924
MIN 76 76 77 77 77 MIN 68 68 64 56 56
%>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 0 %>90 0 0 0 0 0
%>85 2 3 4 6 5 %>85 0 0 0 0 0
%>80 16 18 24 26 25 %>80 0 0 0 0 0
%>75 59 57 65 65 66 %>75 1 6 1 1 0
%>70 94 91 94 93 94 %>70 24 33 10 3 2
URL IS WWW.WPC.NCEP.NOAA.GOV
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