Heat Index Forecast Tables
Issued by NWS
Issued by NWS
589
FMUS23 KWNH 190653
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0652 UTC TUE AUG 19 2025
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM TUE AUG 19 2025
AKRON-CANTON_OH ALBANY_NY
CAK 0822 0823 0824 0825 0826 ALB 0822 0823 0824 0825 0826
MEAN 73 75 69 63 62 MEAN 67 70 71 68 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 1 3 1 0 0 %>80 0 0 1 0 0
%>75 21 44 9 1 0 %>75 1 8 13 2 0
%>70 80 94 42 7 3 %>70 21 54 55 31 5
ASHEVILLE_NC ATLANTA_GA
AVL 0822 0823 0824 0825 0826 ATL 0822 0823 0824 0825 0826
MEAN 70 70 71 68 65 MEAN 81 80 81 78 75
%>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 1 1 0 0
%>85 0 0 0 0 0 %>85 19 11 16 2 2
%>80 0 1 2 1 0 %>80 65 49 58 27 16
%>75 9 9 16 7 3 %>75 95 87 92 78 50
%>70 55 51 60 35 17 %>70 100 99 100 98 84
BALTIMORE_MD BIRMINGHAM_AL
BWI 0822 0823 0824 0825 0826 BHM 0822 0823 0824 0825 0826
MEAN 73 74 78 74 70 MEAN 85 83 83 78 75
%>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 13 6 1 0 1
%>85 0 0 4 0 0 %>85 51 33 21 6 5
%>80 0 2 31 4 1 %>80 88 75 80 33 21
%>75 18 39 81 40 12 %>75 99 96 99 75 52
%>70 86 94 99 88 54 %>70 100 100 100 96 82
BOSTON_MA BUFFALO_NY
BOS 0822 0823 0824 0825 0826 BUF 0822 0823 0824 0825 0826
MEAN 66 70 72 73 68 MEAN 70 74 69 64 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 3 3 0 %>80 0 1 0 0 0
%>75 0 9 23 27 4 %>75 3 32 4 0 0
%>70 9 49 70 77 33 %>70 48 91 42 4 1
CHARLESTON_SC CHARLESTON_WV
CHS 0822 0823 0824 0825 0826 CRW 0822 0823 0824 0825 0826
MEAN 85 83 85 86 84 MEAN 79 79 75 68 66
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 0 1 1 1 %>95 0 0 0 0 0
%>90 11 3 10 16 8 %>90 0 1 0 0 0
%>85 47 29 47 64 40 %>85 5 9 0 0 0
%>80 86 77 87 96 80 %>80 41 44 9 1 0
%>75 99 98 99 100 97 %>75 89 86 54 11 4
%>70 100 100 100 100 100 %>70 100 99 93 38 21
CHARLOTTE_NC CHICAGO_IL
CLT 0822 0823 0824 0825 0826 ORD 0822 0823 0824 0825 0826
MEAN 78 77 79 76 73 MEAN 75 74 66 64 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 1 0 0 %>90 0 0 0 0 0
%>85 3 3 10 1 1 %>85 1 0 0 0 0
%>80 28 24 41 17 8 %>80 8 3 0 0 0
%>75 78 67 79 64 34 %>75 54 38 1 0 1
%>70 98 94 97 95 71 %>70 96 91 16 4 7
CINCINNATI_OH CLEVELAND_OH
LUK 0822 0823 0824 0825 0826 CLE 0822 0823 0824 0825 0826
MEAN 79 79 73 67 66 MEAN 73 75 70 65 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 6 3 1 0 0 %>85 0 0 0 0 0
%>80 36 38 7 1 0 %>80 1 6 0 0 0
%>75 80 91 33 6 4 %>75 28 56 10 1 0
%>70 98 100 72 28 23 %>70 86 98 54 11 5
COLUMBIA_SC COLUMBUS_OH
CAE 0822 0823 0824 0825 0826 TZR 0822 0823 0824 0825 0826
MEAN 80 79 81 81 77 MEAN 75 77 70 65 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 1 1 2 0 1 %>90 0 0 0 0 0
%>85 15 9 19 9 7 %>85 0 0 0 0 0
%>80 53 43 60 60 31 %>80 8 12 3 0 0
%>75 89 83 92 97 68 %>75 53 71 18 1 1
%>70 99 98 99 100 92 %>70 94 99 54 13 8
DAYTON_OH DETROIT_MI
MGY 0822 0823 0824 0825 0826 DET 0822 0823 0824 0825 0826
MEAN 77 78 71 65 65 MEAN 73 75 69 64 63
%>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 1 0 0 0 %>85 0 0 0 0 0
%>80 24 21 3 0 0 %>80 1 3 0 0 0
%>75 66 82 20 2 1 %>75 25 47 5 0 0
%>70 94 100 59 16 12 %>70 86 95 41 3 1
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0822 0823 0824 0825 0826 GRR 0822 0823 0824 0825 0826
MEAN 79 79 73 68 68 MEAN 71 71 65 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 1 0 0 0 0 %>90 0 0 0 0 0
%>85 8 1 1 0 0 %>85 0 0 0 0 0
%>80 43 31 9 1 1 %>80 0 0 0 0 0
%>75 85 92 36 9 10 %>75 10 10 0 0 0
%>70 99 100 74 37 37 %>70 70 66 9 1 0
GREENSBORO_NC HUNTSVILLE_AL
GSO 0822 0823 0824 0825 0826 HSV 0822 0823 0824 0825 0826
MEAN 74 75 77 74 69 MEAN 84 83 81 75 73
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 1 0 0 0
%>90 0 0 0 0 0 %>90 12 7 1 0 0
%>85 0 1 3 1 0 %>85 44 34 15 4 2
%>80 7 11 24 8 3 %>80 82 75 65 19 12
%>75 44 49 65 40 17 %>75 98 96 97 51 36
%>70 88 88 93 80 45 %>70 100 100 100 83 67
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0822 0823 0824 0825 0826 TYS 0822 0823 0824 0825 0826
MEAN 75 75 69 65 64 MEAN 81 80 78 73 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 3 2 0 0 0
%>85 0 0 0 0 0 %>85 21 15 4 1 0
%>80 8 6 1 0 0 %>80 57 48 31 7 3
%>75 46 52 11 1 1 %>75 88 82 78 32 15
%>70 89 95 43 11 11 %>70 99 97 98 70 45
LEXINGTON_KY LOUISVILLE_KY
LEX 0822 0823 0824 0825 0826 SDF 0822 0823 0824 0825 0826
MEAN 80 80 75 69 67 MEAN 81 81 75 69 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 10 5 1 0 0 %>85 17 9 1 0 0
%>80 51 50 11 1 0 %>80 56 60 12 1 1
%>75 91 95 48 11 5 %>75 90 97 49 11 11
%>70 100 100 87 41 26 %>70 99 100 87 44 38
MEMPHIS_TN MIAMI_FL
MEM 0822 0823 0824 0825 0826 MIA 0822 0823 0824 0825 0826
MEAN 85 85 82 77 74 MEAN 95 95 95 94 94
%>100 0 0 0 0 0 %>100 17 16 19 14 11
%>95 1 1 0 0 0 %>95 48 46 51 44 40
%>90 11 10 1 1 1 %>90 84 82 84 81 79
%>85 46 49 19 6 4 %>85 98 97 98 97 97
%>80 84 89 74 27 17 %>80 100 100 100 100 100
%>75 98 99 99 63 44 %>75 100 100 100 100 100
%>70 100 100 100 90 75 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0822 0823 0824 0825 0826 MOB 0822 0823 0824 0825 0826
MEAN 74 71 64 62 63 MEAN 89 88 88 87 84
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 7 5 4 1 3
%>90 0 0 0 0 0 %>90 37 29 31 18 15
%>85 1 0 0 0 0 %>85 80 72 79 69 43
%>80 4 1 0 0 0 %>80 98 96 98 97 75
%>75 30 16 1 0 1 %>75 100 100 100 100 94
%>70 85 62 7 4 5 %>70 100 100 100 100 99
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0822 0823 0824 0825 0826 NYC 0822 0823 0824 0825 0826
MEAN 84 84 79 72 71 MEAN 72 74 76 75 71
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 2 0 0 0 0 %>95 0 0 0 0 0
%>90 12 6 0 0 0 %>90 0 0 0 0 0
%>85 44 38 3 0 0 %>85 0 0 0 0 0
%>80 82 84 37 6 4 %>80 0 1 11 4 0
%>75 97 99 88 28 21 %>75 12 30 60 49 9
%>70 100 100 100 66 55 %>70 73 89 95 95 58
NORFOLK_VA ORLANDO_FL
ORF 0822 0823 0824 0825 0826 ORL 0822 0823 0824 0825 0826
MEAN 74 75 79 78 75 MEAN 92 91 91 92 92
%>100 0 0 0 0 0 %>100 6 5 5 4 4
%>95 0 0 0 0 0 %>95 30 21 24 24 26
%>90 0 0 0 0 0 %>90 69 54 61 62 68
%>85 0 0 3 1 0 %>85 93 84 89 91 94
%>80 0 2 38 28 9 %>80 99 97 99 99 100
%>75 38 57 92 88 51 %>75 100 100 100 100 100
%>70 98 99 100 100 91 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0822 0823 0824 0825 0826 PIT 0822 0823 0824 0825 0826
MEAN 71 72 76 73 69 MEAN 73 76 72 65 63
%>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 1 0 0 %>85 0 0 0 0 0
%>80 0 0 12 3 1 %>80 1 10 1 0 0
%>75 5 14 57 33 8 %>75 23 57 20 2 0
%>70 68 84 94 83 40 %>70 83 95 73 15 5
PORTLAND_ME PROVIDENCE_RI
PWM 0822 0823 0824 0825 0826 PVD 0822 0823 0824 0825 0826
MEAN 65 68 69 70 66 MEAN 67 70 71 73 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 0 1 1 0
%>75 0 2 3 3 1 %>75 0 6 17 22 5
%>70 3 28 35 42 14 %>70 16 44 65 80 32
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0822 0823 0824 0825 0826 RIC 0822 0823 0824 0825 0826
MEAN 76 75 78 77 73 MEAN 73 74 78 76 71
%>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 1 0 0
%>85 0 0 6 1 1 %>85 0 0 8 1 0
%>80 9 10 33 22 9 %>80 1 2 37 16 4
%>75 66 54 75 72 34 %>75 29 36 78 61 24
%>70 98 93 96 97 71 %>70 86 92 97 94 62
SAVANNAH_GA TALLAHASSEE_FL
SAV 0822 0823 0824 0825 0826 TLH 0822 0823 0824 0825 0826
MEAN 87 84 86 87 85 MEAN 91 88 88 89 87
%>100 1 0 0 0 0 %>100 2 1 1 0 1
%>95 6 1 3 3 1 %>95 17 7 7 7 6
%>90 28 11 20 24 13 %>90 57 34 34 39 27
%>85 66 44 59 70 49 %>85 91 76 74 82 64
%>80 92 83 91 96 86 %>80 99 97 96 98 91
%>75 99 98 99 100 99 %>75 100 100 100 100 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
TAMPA_FL WASHINGTON_DC
TPA 0822 0823 0824 0825 0826 DCA 0822 0823 0824 0825 0826
MEAN 94 93 93 94 94 MEAN 73 74 79 74 70
%>100 10 12 12 14 13 %>100 0 0 0 0 0
%>95 38 36 37 42 42 %>95 0 0 0 0 0
%>90 75 68 69 74 77 %>90 0 0 0 0 0
%>85 96 90 91 93 95 %>85 0 0 5 0 0
%>80 100 98 99 99 100 %>80 0 3 35 6 1
%>75 100 100 100 100 100 %>75 20 42 82 39 13
%>70 100 100 100 100 100 %>70 86 93 99 85 53
URL IS WWW.WPC.NCEP.NOAA.GOV
$$