Heat Index Forecast Tables
Issued by NWS
Issued by NWS
196
FMUS23 KWNH 200653
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0652 UTC WED AUG 20 2025
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED AUG 20 2025
AKRON-CANTON_OH ALBANY_NY
CAK 0823 0824 0825 0826 0827 ALB 0823 0824 0825 0826 0827
MEAN 73 70 62 60 61 MEAN 69 71 70 63 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 0 0 0 0 0 %>80 0 1 0 0 0
%>75 24 7 0 0 0 %>75 3 12 4 0 0
%>70 91 50 1 0 1 %>70 42 55 47 1 1
ASHEVILLE_NC ATLANTA_GA
AVL 0823 0824 0825 0826 0827 ATL 0823 0824 0825 0826 0827
MEAN 71 71 68 63 63 MEAN 81 81 78 73 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 1 1 0 0 0
%>85 0 0 0 0 0 %>85 14 15 2 1 2
%>80 1 1 0 0 0 %>80 57 61 27 8 11
%>75 12 14 5 1 2 %>75 92 95 77 34 37
%>70 64 64 34 11 11 %>70 100 100 98 72 71
BALTIMORE_MD BIRMINGHAM_AL
BWI 0823 0824 0825 0826 0827 BHM 0823 0824 0825 0826 0827
MEAN 74 78 75 69 68 MEAN 85 83 77 73 74
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 0 0 0 0
%>90 0 0 0 0 0 %>90 9 2 0 0 1
%>85 0 2 0 0 0 %>85 46 28 5 2 4
%>80 2 30 6 0 0 %>80 88 81 27 12 17
%>75 35 85 56 3 1 %>75 99 99 68 39 43
%>70 92 99 95 44 29 %>70 100 100 94 72 72
BOSTON_MA BUFFALO_NY
BOS 0823 0824 0825 0826 0827 BUF 0823 0824 0825 0826 0827
MEAN 70 72 71 69 66 MEAN 72 70 64 60 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 0 1 1 0 0 %>80 0 0 0 0 0
%>75 8 19 17 3 0 %>75 14 5 0 0 0
%>70 47 68 63 41 7 %>70 76 56 1 0 0
CHARLESTON_SC CHARLESTON_WV
CHS 0823 0824 0825 0826 0827 CRW 0823 0824 0825 0826 0827
MEAN 83 85 87 82 80 MEAN 80 76 68 64 65
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 1 0 0 1 %>95 0 0 0 0 0
%>90 3 9 15 5 5 %>90 0 0 0 0 0
%>85 31 48 77 27 22 %>85 7 0 0 0 0
%>80 80 89 99 67 53 %>80 47 12 0 0 0
%>75 98 99 100 93 82 %>75 91 64 3 1 1
%>70 100 100 100 99 96 %>70 100 97 27 8 13
CHARLOTTE_NC CHICAGO_IL
CLT 0823 0824 0825 0826 0827 ORD 0823 0824 0825 0826 0827
MEAN 78 79 77 72 70 MEAN 74 65 62 62 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 3 7 3 0 0 %>85 0 0 0 0 0
%>80 31 42 24 4 3 %>80 3 0 0 0 0
%>75 81 86 70 23 17 %>75 38 0 0 0 1
%>70 99 99 96 63 49 %>70 92 4 1 2 11
CINCINNATI_OH CLEVELAND_OH
LUK 0823 0824 0825 0826 0827 CLE 0823 0824 0825 0826 0827
MEAN 78 73 66 64 66 MEAN 74 71 64 62 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 21 2 0 0 0 %>80 1 0 0 0 0
%>75 89 29 0 0 2 %>75 35 5 0 0 0
%>70 100 85 11 7 17 %>70 94 60 1 1 5
COLUMBIA_SC COLUMBUS_OH
CAE 0823 0824 0825 0826 0827 TZR 0823 0824 0825 0826 0827
MEAN 80 82 82 76 74 MEAN 75 71 63 61 62
%>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 2 1 0 0 %>90 0 0 0 0 0
%>85 8 21 17 3 4 %>85 0 0 0 0 0
%>80 51 67 71 21 16 %>80 2 0 0 0 0
%>75 93 96 98 58 42 %>75 50 12 0 0 0
%>70 100 100 100 88 72 %>70 97 60 2 1 4
DAYTON_OH DETROIT_MI
MGY 0823 0824 0825 0826 0827 DET 0823 0824 0825 0826 0827
MEAN 76 71 64 62 64 MEAN 74 69 63 62 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 6 0 0 0 0 %>80 2 0 0 0 0
%>75 70 12 0 0 0 %>75 36 3 0 0 0
%>70 100 66 2 1 7 %>70 88 35 0 0 3
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0823 0824 0825 0826 0827 GRR 0823 0824 0825 0826 0827
MEAN 78 74 67 66 67 MEAN 71 64 60 59 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 21 3 0 0 1 %>80 0 0 0 0 0
%>75 91 34 2 2 7 %>75 8 0 0 0 0
%>70 100 86 20 17 30 %>70 66 1 0 0 1
GREENSBORO_NC HUNTSVILLE_AL
GSO 0823 0824 0825 0826 0827 HSV 0823 0824 0825 0826 0827
MEAN 76 77 74 69 67 MEAN 83 82 75 71 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 3 0 0 0 1
%>85 0 1 1 0 0 %>85 31 15 2 1 3
%>80 11 19 11 1 1 %>80 83 71 14 7 13
%>75 60 69 45 10 8 %>75 99 98 47 26 33
%>70 96 97 84 39 29 %>70 100 100 83 56 60
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0823 0824 0825 0826 0827 TYS 0823 0824 0825 0826 0827
MEAN 75 69 62 62 64 MEAN 81 79 72 67 68
%>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 2 0 0 0 0
%>85 0 0 0 0 0 %>85 16 5 0 0 0
%>80 1 0 0 0 0 %>80 54 36 3 1 2
%>75 45 2 0 0 1 %>75 89 82 24 7 12
%>70 98 36 1 2 10 %>70 99 99 70 30 37
LEXINGTON_KY LOUISVILLE_KY
LEX 0823 0824 0825 0826 0827 SDF 0823 0824 0825 0826 0827
MEAN 80 76 67 65 66 MEAN 80 76 68 66 68
%>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 2 0 0 0 0 %>85 4 0 0 0 0
%>80 46 7 0 0 0 %>80 48 7 0 0 1
%>75 96 61 2 1 4 %>75 95 57 1 1 7
%>70 100 98 23 13 24 %>70 100 96 24 16 31
MEMPHIS_TN MIAMI_FL
MEM 0823 0824 0825 0826 0827 MIA 0823 0824 0825 0826 0827
MEAN 83 82 75 72 73 MEAN 94 95 95 95 94
%>100 0 0 0 0 0 %>100 8 17 16 16 10
%>95 0 0 0 0 0 %>95 39 50 48 51 43
%>90 2 1 0 0 0 %>90 82 86 85 87 84
%>85 29 19 1 1 3 %>85 98 99 99 99 98
%>80 83 78 13 9 13 %>80 100 100 100 100 100
%>75 99 99 54 31 38 %>75 100 100 100 100 100
%>70 100 100 90 64 69 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0823 0824 0825 0826 0827 MOB 0823 0824 0825 0826 0827
MEAN 71 63 61 61 64 MEAN 89 88 88 83 82
%>100 0 0 0 0 0 %>100 0 0 0 0 1
%>95 0 0 0 0 0 %>95 6 4 2 3 3
%>90 0 0 0 0 0 %>90 36 32 31 14 13
%>85 0 0 0 0 0 %>85 82 78 84 39 34
%>80 1 0 0 0 0 %>80 98 98 99 72 63
%>75 12 0 0 0 1 %>75 100 100 100 92 85
%>70 68 3 1 3 8 %>70 100 100 100 99 96
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0823 0824 0825 0826 0827 NYC 0823 0824 0825 0826 0827
MEAN 83 80 72 69 70 MEAN 73 75 76 70 68
%>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 2 0 0 0 0 %>90 0 0 0 0 0
%>85 28 4 0 0 1 %>85 0 0 0 0 0
%>80 85 53 3 2 5 %>80 1 4 9 0 0
%>75 100 96 24 12 20 %>75 24 47 58 7 1
%>70 100 100 68 41 50 %>70 85 96 96 57 28
NORFOLK_VA ORLANDO_FL
ORF 0823 0824 0825 0826 0827 ORL 0823 0824 0825 0826 0827
MEAN 75 79 80 74 73 MEAN 91 91 92 92 91
%>100 0 0 0 0 0 %>100 6 3 7 3 1
%>95 0 0 0 0 0 %>95 24 21 28 22 15
%>90 0 0 0 0 0 %>90 56 58 64 65 56
%>85 0 1 4 0 0 %>85 84 89 91 94 92
%>80 1 34 45 4 1 %>80 97 99 99 100 100
%>75 57 94 94 43 25 %>75 100 100 100 100 100
%>70 100 100 100 92 79 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0823 0824 0825 0826 0827 PIT 0823 0824 0825 0826 0827
MEAN 71 75 75 68 67 MEAN 74 73 65 61 62
%>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 5 5 0 0 %>80 2 1 0 0 0
%>75 7 53 50 2 0 %>75 43 26 0 0 0
%>70 73 96 94 30 13 %>70 95 85 7 1 1
PORTLAND_ME PROVIDENCE_RI
PWM 0823 0824 0825 0826 0827 PVD 0823 0824 0825 0826 0827
MEAN 68 69 69 68 64 MEAN 70 71 72 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 0 0 1 0 0
%>75 1 3 2 0 0 %>75 6 8 17 3 0
%>70 21 32 32 19 1 %>70 48 62 72 37 6
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0823 0824 0825 0826 0827 RIC 0823 0824 0825 0826 0827
MEAN 77 79 79 72 70 MEAN 75 79 77 71 69
%>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 5 4 0 0 %>85 0 2 3 0 0
%>80 19 38 35 2 1 %>80 5 32 25 1 0
%>75 69 86 83 23 13 %>75 51 87 73 14 8
%>70 97 99 99 70 49 %>70 96 100 97 58 40
SAVANNAH_GA TALLAHASSEE_FL
SAV 0823 0824 0825 0826 0827 TLH 0823 0824 0825 0826 0827
MEAN 85 86 87 83 82 MEAN 89 87 88 85 84
%>100 0 0 0 0 0 %>100 1 0 0 0 0
%>95 1 1 1 1 1 %>95 9 4 2 2 2
%>90 11 15 20 7 8 %>90 39 25 28 15 13
%>85 46 56 76 34 30 %>85 80 69 82 50 43
%>80 86 92 99 73 65 %>80 97 95 99 84 78
%>75 99 100 100 95 90 %>75 100 100 100 98 96
%>70 100 100 100 100 98 %>70 100 100 100 100 100
TAMPA_FL WASHINGTON_DC
TPA 0823 0824 0825 0826 0827 DCA 0823 0824 0825 0826 0827
MEAN 93 93 94 93 92 MEAN 74 79 75 69 68
%>100 19 14 13 8 3 %>100 0 0 0 0 0
%>95 41 38 40 36 24 %>95 0 0 0 0 0
%>90 68 69 74 77 67 %>90 0 0 0 0 0
%>85 88 90 93 97 95 %>85 0 3 0 0 0
%>80 97 98 99 100 100 %>80 2 36 8 0 0
%>75 99 100 100 100 100 %>75 37 88 53 4 2
%>70 100 100 100 100 100 %>70 91 100 94 40 28
URL IS WWW.WPC.NCEP.NOAA.GOV
$$