Heat Index Forecast Tables
Issued by NWS
Issued by NWS
769
FMUS23 KWNH 211608
PRBEHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1607 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 8 0 0 0 0 %>75 6 6 0 0 0
%>70 66 1 0 0 2 %>70 50 59 2 0 0
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 9 1 0 0 0
%>80 0 0 0 0 0 %>80 55 21 5 4 3
%>75 8 5 1 1 1 %>75 94 79 29 25 20
%>70 58 39 8 6 6 %>70 100 99 71 65 60
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 20 1 1 1 1
%>80 20 6 0 0 0 %>80 78 21 8 6 7
%>75 83 69 3 0 3 %>75 99 72 33 26 27
%>70 100 99 47 18 32 %>70 100 97 70 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 24 18 3 0 0 %>75 2 0 0 0 0
%>70 89 79 50 6 5 %>70 58 1 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 1 1 0 0 0 %>95 0 0 0 0 0
%>90 8 14 2 1 0 %>90 0 0 0 0 0
%>85 41 68 25 8 3 %>85 1 0 0 0 0
%>80 83 98 74 34 23 %>80 16 0 0 0 0
%>75 98 100 97 70 64 %>75 71 4 0 0 1
%>70 100 100 100 93 93 %>70 98 34 5 4 9
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 0 0 0 0 %>85 0 0 0 0 0
%>80 35 20 2 1 1 %>80 0 0 0 0 0
%>75 88 87 23 12 10 %>75 0 0 0 0 5
%>70 100 100 70 48 38 %>70 6 0 1 3 28
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 5 0 0 0 0 %>80 0 0 0 0 0
%>75 43 1 0 0 1 %>75 9 0 0 0 0
%>70 90 13 3 3 13 %>70 67 4 0 1 7
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 17 13 1 1 0 %>85 0 0 0 0 0
%>80 63 79 13 8 5 %>80 1 0 0 0 0
%>75 95 100 59 35 26 %>75 22 0 0 0 0
%>70 100 100 94 73 63 %>70 75 3 0 0 6
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 1 0 0 0 0 %>80 0 0 0 0 0
%>75 23 0 0 0 0 %>75 1 0 0 0 0
%>70 77 3 0 0 6 %>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 2 1 1 6 %>75 0 0 0 0 1
%>70 84 21 9 13 31 %>70 2 0 0 0 11
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 17 0 0 0 0
%>80 6 5 0 0 0 %>80 67 7 3 2 2
%>75 65 55 6 5 4 %>75 97 38 20 15 14
%>70 99 97 37 26 21 %>70 100 81 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 3 0 0 0
%>75 6 0 0 0 2 %>75 74 23 5 3 3
%>70 42 2 0 1 14 %>70 96 68 32 20 21
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 9 0 0 0 0 %>80 11 0 0 0 0
%>75 69 1 0 0 1 %>75 61 1 0 0 3
%>70 99 20 5 5 15 %>70 96 25 7 9 25
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 15 21 17 17 5
%>95 0 0 0 0 0 %>95 48 53 50 51 30
%>90 2 0 0 0 0 %>90 84 86 86 86 76
%>85 26 0 1 0 0 %>85 98 98 98 99 97
%>80 80 9 5 3 4 %>80 100 100 100 100 100
%>75 99 52 24 19 24 %>75 100 100 100 100 100
%>70 100 92 57 52 62 %>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 6 6 2 1 1
%>90 0 0 0 0 0 %>90 37 35 13 7 4
%>85 0 0 0 0 0 %>85 83 80 46 27 18
%>80 0 0 0 0 0 %>80 99 98 82 60 47
%>75 1 0 0 1 4 %>75 100 100 97 87 77
%>70 5 1 2 4 19 %>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 5 0 0 0 0 %>85 0 0 0 0 0
%>80 51 1 1 0 1 %>80 5 8 0 0 0
%>75 95 18 9 5 8 %>75 64 68 5 0 1
%>70 100 66 41 30 38 %>70 99 99 65 21 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 4 4 1 0
%>95 0 0 0 0 0 %>95 18 22 24 14 2
%>90 0 0 0 0 0 %>90 53 57 63 53 26
%>85 1 9 0 0 0 %>85 86 87 92 89 76
%>80 32 66 2 0 1 %>80 98 98 99 99 98
%>75 95 98 57 16 18 %>75 100 100 100 100 100
%>70 100 100 99 77 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 2 3 0 0 0 %>80 1 0 0 0 0
%>75 58 60 1 0 1 %>75 36 0 0 0 0
%>70 99 99 33 9 17 %>70 94 12 0 0 2
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 2 0 0 0 0 %>75 10 21 2 0 0
%>70 52 31 21 1 0 %>70 84 85 44 5 4
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 0 0 0 0
%>80 20 35 1 1 0 %>80 14 27 0 0 0
%>75 77 95 19 9 7 %>75 80 92 11 4 6
%>70 99 100 78 44 35 %>70 100 100 68 35 34
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 2 3 2 1 0
%>90 11 14 3 2 1 %>90 22 30 13 7 5
%>85 49 71 26 14 7 %>85 69 81 47 33 26
%>80 88 99 73 44 33 %>80 96 99 84 73 65
%>75 99 100 97 79 72 %>75 100 100 98 95 92
%>70 100 100 100 96 95 %>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 16 19 9 7 2 %>100 0 0 0 0 0
%>95 40 43 35 29 16 %>95 0 0 0 0 0
%>90 69 71 72 64 49 %>90 0 0 0 0 0
%>85 90 90 94 90 84 %>85 1 0 0 0 0
%>80 98 98 99 98 98 %>80 22 5 0 0 0
%>75 100 100 100 100 100 %>75 84 66 4 1 4
%>70 100 100 100 100 100 %>70 100 99 45 19 30
URL IS WWW.WPC.NCEP.NOAA.GOV
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