Heat Index Forecast Tables
Issued by NWS
Issued by NWS
531
FMUS23 KWNH 201819
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1816 UTC SUN SEP 20 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM 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
MIN 53 51 49 49 50 MIN 42 42 44 45 47
%>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
ASHEVILLE_NC ATLANTA_GA
AVL 0923 0924 0925 0926 0927 ATL 0923 0924 0925 0926 0927
MIN 61 55 52 50 49 MIN 71 65 62 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 0 0 %>80 0 0 0 0 0
%>75 0 0 0 0 0 %>75 3 0 0 0 0
%>70 1 0 0 0 0 %>70 71 6 1 1 1
BALTIMORE_MD BIRMINGHAM_AL
BWI 0923 0924 0925 0926 0927 BHM 0923 0924 0925 0926 0927
MIN 55 55 52 53 54 MIN 71 66 63 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 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 7 2 0 0 1
%>70 0 0 0 0 0 %>70 58 17 4 4 4
BOSTON_MA BUFFALO_NY
BOS 0923 0924 0925 0926 0927 BUF 0923 0924 0925 0926 0927
MIN 50 50 50 51 51 MIN 47 47 47 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 0923 0924 0925 0926 0927 CRW 0923 0924 0925 0926 0927
MIN 73 69 65 63 62 MIN 61 57 53 50 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 1 0 0 0 0 %>80 0 0 0 0 0
%>75 25 6 1 0 0 %>75 0 0 0 0 0
%>70 84 37 10 6 6 %>70 0 0 0 0 0
CHARLOTTE_NC CHICAGO_IL
CLT 0923 0924 0925 0926 0927 ORD 0923 0924 0925 0926 0927
MIN 65 59 56 55 54 MIN 53 53 54 53 55
%>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 13 1 0 0 0 %>70 0 0 0 0 0
CINCINNATI_OH CLEVELAND_OH
LUK 0923 0924 0925 0926 0927 CLE 0923 0924 0925 0926 0927
MIN 59 56 55 51 52 MIN 54 53 52 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 0 0 0 0 %>75 0 0 0 0 0
%>70 0 0 0 0 0 %>70 0 0 0 0 1
COLUMBIA_SC COLUMBUS_OH
CAE 0923 0924 0925 0926 0927 TZR 0923 0924 0925 0926 0927
MIN 71 65 60 58 57 MIN 57 54 51 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 4 0 0 0 0 %>75 0 0 0 0 0
%>70 67 7 1 1 0 %>70 0 0 0 0 0
DAYTON_OH DETROIT_MI
MGY 0923 0924 0925 0926 0927 DET 0923 0924 0925 0926 0927
MIN 58 55 53 50 51 MIN 53 53 51 52 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 0 0 0 0 %>75 0 0 0 0 0
%>70 0 0 0 0 0 %>70 0 0 0 0 0
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0923 0924 0925 0926 0927 GRR 0923 0924 0925 0926 0927
MIN 58 56 58 54 55 MIN 47 46 46 44 47
%>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 1 1 0 1 %>70 0 0 0 0 0
GREENSBORO_NC HUNTSVILLE_AL
GSO 0923 0924 0925 0926 0927 HSV 0923 0924 0925 0926 0927
MIN 62 56 53 52 51 MIN 68 63 61 59 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 0 0 0 0 0 %>75 3 1 0 0 0
%>70 2 0 0 0 0 %>70 29 8 3 3 3
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0923 0924 0925 0926 0927 TYS 0923 0924 0925 0926 0927
MIN 56 55 54 51 52 MIN 67 61 58 54 53
%>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 5 1 0 0 0
LEXINGTON_KY LOUISVILLE_KY
LEX 0923 0924 0925 0926 0927 SDF 0923 0924 0925 0926 0927
MIN 59 56 54 51 50 MIN 59 58 56 53 53
%>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
MEMPHIS_TN MIAMI_FL
MEM 0923 0924 0925 0926 0927 MIA 0923 0924 0925 0926 0927
MIN 65 61 62 62 61 MIN 81 80 80 80 78
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 0 1 0 0
%>90 0 0 0 0 0 %>90 6 3 4 4 1
%>85 0 0 0 0 0 %>85 23 15 17 17 9
%>80 0 0 0 0 0 %>80 57 45 46 47 33
%>75 1 0 1 1 3 %>75 88 83 82 81 73
%>70 13 3 6 9 11 %>70 99 98 98 97 97
MILWAUKEE_WI MOBILE_AL
MKE 0923 0924 0925 0926 0927 MOB 0923 0924 0925 0926 0927
MIN 51 51 52 52 54 MIN 76 73 70 68 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 1 0 0 0 0
%>80 0 0 0 0 0 %>80 11 5 2 1 2
%>75 0 0 0 0 0 %>75 55 30 13 9 11
%>70 0 0 0 0 0 %>70 95 74 47 35 32
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0923 0924 0925 0926 0927 NYC 0923 0924 0925 0926 0927
MIN 65 61 59 57 56 MIN 52 52 52 53 55
%>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 9 5 2 1 2 %>70 0 0 0 0 0
NORFOLK_VA ORLANDO_FL
ORF 0923 0924 0925 0926 0927 ORL 0923 0924 0925 0926 0927
MIN 70 67 63 61 62 MIN 76 76 75 74 72
%>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 7 3 4 3 1
%>75 10 3 0 0 0 %>75 62 67 57 33 20
%>70 55 32 6 1 2 %>70 98 99 98 85 75
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0923 0924 0925 0926 0927 PIT 0923 0924 0925 0926 0927
MIN 53 53 51 52 53 MIN 53 51 48 48 49
%>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
PORTLAND_ME PROVIDENCE_RI
PWM 0923 0924 0925 0926 0927 PVD 0923 0924 0925 0926 0927
MIN 44 43 45 47 47 MIN 48 49 49 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 0923 0924 0925 0926 0927 RIC 0923 0924 0925 0926 0927
MIN 64 60 55 54 54 MIN 60 58 54 52 52
%>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 10 1 0 0 0 %>70 2 0 0 0 0
SAVANNAH_GA TALLAHASSEE_FL
SAV 0923 0924 0925 0926 0927 TLH 0923 0924 0925 0926 0927
MIN 74 70 66 64 63 MIN 75 74 69 68 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 3 0 0 0 0 %>80 2 1 0 0 0
%>75 35 8 2 2 1 %>75 51 32 8 5 4
%>70 92 46 19 13 8 %>70 98 92 44 30 24
TAMPA_FL WASHINGTON_DC
TPA 0923 0924 0925 0926 0927 DCA 0923 0924 0925 0926 0927
MIN 77 77 77 75 74 MIN 56 55 52 52 53
%>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 7 4 2 1 0 %>85 0 0 0 0 0
%>80 29 25 19 12 6 %>80 0 0 0 0 0
%>75 68 70 65 47 37 %>75 0 0 0 0 0
%>70 93 96 96 86 82 %>70 0 0 0 0 0
URL IS WWW.WPC.NCEP.NOAA.GOV
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