Heat Index Forecast Tables
Issued by NWS
Issued by NWS
234
FMUS23 KWNH 210658
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0655 UTC THU AUG 21 2025
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM THU AUG 21 2025
AKRON-CANTON_OH ALBANY_NY
CAK 0824 0825 0826 0827 0828 ALB 0824 0825 0826 0827 0828
MEAN 71 63 59 59 62 MEAN 70 71 64 61 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 0 0 0 0
%>75 9 0 0 0 0 %>75 7 8 0 0 0
%>70 65 2 0 0 3 %>70 50 58 2 0 1
ASHEVILLE_NC ATLANTA_GA
AVL 0824 0825 0826 0827 0828 ATL 0824 0825 0826 0827 0828
MEAN 71 69 64 62 61 MEAN 80 77 72 72 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 0 0 0
%>85 0 0 0 0 0 %>85 8 1 0 0 0
%>80 0 0 0 0 0 %>80 55 20 3 5 4
%>75 9 5 1 1 1 %>75 95 79 27 26 22
%>70 58 39 8 7 6 %>70 100 99 73 64 59
BALTIMORE_MD BIRMINGHAM_AL
BWI 0824 0825 0826 0827 0828 BHM 0824 0825 0826 0827 0828
MEAN 78 76 70 67 68 MEAN 82 77 73 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 1 0 0 0 0
%>85 1 0 0 0 0 %>85 21 1 1 1 1
%>80 20 7 0 0 0 %>80 77 21 7 6 6
%>75 83 68 4 1 3 %>75 99 71 32 25 26
%>70 100 99 47 20 33 %>70 100 97 72 59 61
BOSTON_MA BUFFALO_NY
BOS 0824 0825 0826 0827 0828 BUF 0824 0825 0826 0827 0828
MEAN 73 72 70 66 65 MEAN 70 65 60 59 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 1 1 0 0 0 %>80 0 0 0 0 0
%>75 26 19 4 0 0 %>75 3 0 0 0 0
%>70 87 78 50 6 5 %>70 58 2 0 0 1
CHARLESTON_SC CHARLESTON_WV
CHS 0824 0825 0826 0827 0828 CRW 0824 0825 0826 0827 0828
MEAN 84 86 82 78 77 MEAN 77 68 64 63 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 8 13 3 1 0 %>90 0 0 0 0 0
%>85 41 68 26 8 4 %>85 1 0 0 0 0
%>80 83 98 72 34 25 %>80 16 0 0 0 0
%>75 99 100 96 71 64 %>75 70 4 0 0 1
%>70 100 100 100 93 91 %>70 98 34 6 4 11
CHARLOTTE_NC CHICAGO_IL
CLT 0824 0825 0826 0827 0828 ORD 0824 0825 0826 0827 0828
MEAN 79 78 72 70 68 MEAN 66 62 61 63 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 3 1 0 0 0 %>85 0 0 0 0 0
%>80 35 23 1 2 2 %>80 0 0 0 0 0
%>75 89 84 21 14 11 %>75 0 0 0 0 5
%>70 100 100 72 48 39 %>70 6 0 1 4 27
CINCINNATI_OH CLEVELAND_OH
LUK 0824 0825 0826 0827 0828 CLE 0824 0825 0826 0827 0828
MEAN 74 66 64 63 65 MEAN 71 65 62 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 0 0 0 0 0
%>75 43 1 0 0 2 %>75 10 0 0 0 1
%>70 90 15 5 5 15 %>70 66 4 0 1 8
COLUMBIA_SC COLUMBUS_OH
CAE 0824 0825 0826 0827 0828 TZR 0824 0825 0826 0827 0828
MEAN 81 82 76 73 72 MEAN 72 64 61 61 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 2 0 0 0 0 %>90 0 0 0 0 0
%>85 18 14 1 1 1 %>85 0 0 0 0 0
%>80 62 77 15 9 7 %>80 1 0 0 0 0
%>75 94 99 58 35 28 %>75 23 0 0 0 0
%>70 100 100 92 72 62 %>70 74 5 1 1 7
DAYTON_OH DETROIT_MI
MGY 0824 0825 0826 0827 0828 DET 0824 0825 0826 0827 0828
MEAN 73 64 62 62 64 MEAN 69 63 61 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 2 0 0 0 0 %>80 0 0 0 0 0
%>75 24 0 0 0 1 %>75 2 0 0 0 0
%>70 76 4 1 1 8 %>70 41 0 0 0 10
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0824 0825 0826 0827 0828 GRR 0824 0825 0826 0827 0828
MEAN 74 67 65 65 68 MEAN 65 60 58 59 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 4 0 0 0 1 %>80 0 0 0 0 0
%>75 35 1 1 2 8 %>75 0 0 0 0 1
%>70 85 20 11 15 32 %>70 2 0 0 0 9
GREENSBORO_NC HUNTSVILLE_AL
GSO 0824 0825 0826 0827 0828 HSV 0824 0825 0826 0827 0828
MEAN 76 75 69 67 66 MEAN 82 74 71 69 70
%>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 0 0 0 0
%>85 0 0 0 0 0 %>85 15 0 0 0 0
%>80 9 8 0 0 1 %>80 69 6 3 3 3
%>75 63 54 7 5 5 %>75 98 37 20 15 16
%>70 98 95 38 26 23 %>70 100 83 56 45 47
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0824 0825 0826 0827 0828 TYS 0824 0825 0826 0827 0828
MEAN 69 63 61 62 65 MEAN 78 72 68 66 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 1 0 0 0 0
%>85 0 0 0 0 0 %>85 8 0 0 0 0
%>80 0 0 0 0 0 %>80 35 2 0 0 1
%>75 5 0 0 0 2 %>75 74 22 6 3 5
%>70 42 3 1 2 14 %>70 96 69 32 20 25
LEXINGTON_KY LOUISVILLE_KY
LEX 0824 0825 0826 0827 0828 SDF 0824 0825 0826 0827 0828
MEAN 76 67 64 64 66 MEAN 76 68 65 65 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 11 0 0 0 0 %>80 10 0 0 0 0
%>75 68 2 0 1 3 %>75 62 2 0 1 5
%>70 99 23 7 9 19 %>70 97 26 9 12 28
MEMPHIS_TN MIAMI_FL
MEM 0824 0825 0826 0827 0828 MIA 0824 0825 0826 0827 0828
MEAN 83 75 71 70 71 MEAN 95 96 95 95 93
%>100 0 0 0 0 0 %>100 14 20 17 16 5
%>95 0 0 0 0 0 %>95 47 53 50 51 30
%>90 1 0 0 0 0 %>90 85 87 87 87 76
%>85 24 1 0 0 0 %>85 98 99 99 99 97
%>80 81 11 4 3 5 %>80 100 100 100 100 100
%>75 99 51 21 19 25 %>75 100 100 100 100 100
%>70 100 91 58 52 61 %>70 100 100 100 100 100
MILWAUKEE_WI MOBILE_AL
MKE 0824 0825 0826 0827 0828 MOB 0824 0825 0826 0827 0828
MEAN 64 60 60 63 66 MEAN 89 88 85 81 79
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 5 3 1 1 0
%>90 0 0 0 0 0 %>90 37 33 12 6 4
%>85 0 0 0 0 0 %>85 85 83 46 26 18
%>80 0 0 0 0 0 %>80 99 99 84 60 46
%>75 1 0 0 1 3 %>75 100 100 98 88 77
%>70 5 1 2 4 18 %>70 100 100 100 98 94
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0824 0825 0826 0827 0828 NYC 0824 0825 0826 0827 0828
MEAN 80 71 69 68 69 MEAN 76 76 71 68 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 4 0 0 0 0 %>85 0 0 0 0 0
%>80 51 1 1 1 1 %>80 5 9 0 0 0
%>75 96 16 9 6 11 %>75 64 67 5 0 1
%>70 100 66 41 31 40 %>70 99 99 65 20 27
NORFOLK_VA ORLANDO_FL
ORF 0824 0825 0826 0827 0828 ORL 0824 0825 0826 0827 0828
MEAN 79 81 75 72 72 MEAN 90 91 92 90 88
%>100 0 0 0 0 0 %>100 3 2 2 1 0
%>95 0 0 0 0 0 %>95 18 19 20 12 3
%>90 0 0 0 0 0 %>90 53 58 65 54 27
%>85 1 10 0 0 0 %>85 86 90 95 91 74
%>80 32 66 4 1 1 %>80 98 99 100 100 97
%>75 95 98 56 18 18 %>75 100 100 100 100 100
%>70 100 100 98 75 74 %>70 100 100 100 100 100
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0824 0825 0826 0827 0828 PIT 0824 0825 0826 0827 0828
MEAN 75 76 69 66 66 MEAN 74 66 61 60 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 3 4 0 0 0 %>80 1 0 0 0 0
%>75 58 59 1 0 1 %>75 36 0 0 0 0
%>70 99 99 33 9 16 %>70 94 12 0 0 3
PORTLAND_ME PROVIDENCE_RI
PWM 0824 0825 0826 0827 0828 PVD 0824 0825 0826 0827 0828
MEAN 70 69 68 64 63 MEAN 72 73 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 1 0 0 0
%>75 3 1 0 0 0 %>75 10 22 4 0 0
%>70 51 31 22 1 1 %>70 83 84 45 7 5
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0824 0825 0826 0827 0828 RIC 0824 0825 0826 0827 0828
MEAN 77 79 72 69 68 MEAN 77 78 71 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 0 0 0 0 0
%>85 1 1 0 0 0 %>85 0 1 0 0 0
%>80 20 36 1 1 1 %>80 13 28 0 0 1
%>75 78 94 21 9 9 %>75 81 90 14 5 7
%>70 99 100 76 44 37 %>70 100 100 67 36 35
SAVANNAH_GA TALLAHASSEE_FL
SAV 0824 0825 0826 0827 0828 TLH 0824 0825 0826 0827 0828
MEAN 85 87 82 79 78 MEAN 87 88 85 83 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 1 0 0 0 %>95 3 1 1 0 0
%>90 11 14 3 2 1 %>90 23 27 11 7 5
%>85 49 71 27 13 8 %>85 69 86 47 33 27
%>80 87 99 72 44 34 %>80 96 100 86 73 65
%>75 99 100 96 79 71 %>75 100 100 99 95 91
%>70 100 100 100 96 94 %>70 100 100 100 100 99
TAMPA_FL WASHINGTON_DC
TPA 0824 0825 0826 0827 0828 DCA 0824 0825 0826 0827 0828
MEAN 93 94 93 92 90 MEAN 78 76 70 67 68
%>100 17 16 6 4 2 %>100 0 0 0 0 0
%>95 40 43 32 25 15 %>95 0 0 0 0 0
%>90 69 73 76 66 49 %>90 0 0 0 0 0
%>85 89 92 97 93 84 %>85 1 0 0 0 0
%>80 98 99 100 99 98 %>80 22 8 0 0 0
%>75 100 100 100 100 100 %>75 84 64 4 1 4
%>70 100 100 100 100 100 %>70 100 98 46 20 30
URL IS WWW.WPC.NCEP.NOAA.GOV
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