Heat Index Forecast Tables
Issued by NWS
Issued by NWS
665
FMUS23 KWNH 171700
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1654 UTC SUN AUG 17 2025
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN AUG 17 2025
AKRON-CANTON_OH ALBANY_NY
CAK 0820 0821 0822 0823 0824 ALB 0820 0821 0822 0823 0824
MIN 67 66 62 64 62 MIN 59 58 56 60 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 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 0 0 0 0
%>75 4 1 0 1 2 %>75 0 0 0 0 1
%>70 28 16 4 10 10 %>70 0 0 0 0 7
ASHEVILLE_NC ATLANTA_GA
AVL 0820 0821 0822 0823 0824 ATL 0820 0821 0822 0823 0824
MIN 67 66 67 66 65 MIN 74 74 73 72 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 0 0 0 0 0 %>80 0 1 0 0 0
%>75 0 0 0 0 0 %>75 31 29 21 12 8
%>70 13 10 11 10 4 %>70 97 92 90 83 75
BALTIMORE_MD BIRMINGHAM_AL
BWI 0820 0821 0822 0823 0824 BHM 0820 0821 0822 0823 0824
MIN 69 68 67 68 70 MIN 75 74 73 73 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 0 0 0 1 1 %>80 7 7 3 2 1
%>75 2 5 3 8 14 %>75 50 40 28 24 19
%>70 33 36 29 36 51 %>70 94 85 76 76 69
BOSTON_MA BUFFALO_NY
BOS 0820 0821 0822 0823 0824 BUF 0820 0821 0822 0823 0824
MIN 60 60 60 64 67 MIN 65 63 59 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 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 2 %>75 2 0 0 1 2
%>70 0 0 0 5 21 %>70 15 4 0 10 13
CHARLESTON_SC CHARLESTON_WV
CHS 0820 0821 0822 0823 0824 CRW 0820 0821 0822 0823 0824
MIN 76 77 77 77 76 MIN 70 70 68 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 1 3 1 1 %>85 0 0 0 0 0
%>80 9 18 24 17 10 %>80 1 0 0 1 0
%>75 61 73 73 71 58 %>75 12 6 5 8 4
%>70 97 98 98 99 96 %>70 54 50 33 36 24
CHARLOTTE_NC CHICAGO_IL
CLT 0820 0821 0822 0823 0824 ORD 0820 0821 0822 0823 0824
MIN 71 72 72 70 70 MIN 70 67 67 67 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 0 0 0 %>85 0 0 0 0 0
%>80 0 1 0 0 0 %>80 1 0 0 0 0
%>75 12 19 14 8 8 %>75 9 2 2 3 2
%>70 68 73 73 52 56 %>70 49 21 16 25 9
CINCINNATI_OH CLEVELAND_OH
LUK 0820 0821 0822 0823 0824 CLE 0820 0821 0822 0823 0824
MIN 73 70 67 68 65 MIN 70 69 65 67 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 2 0 0 0 1 %>80 1 1 1 1 0
%>75 24 7 2 3 5 %>75 12 8 3 6 5
%>70 77 46 22 29 21 %>70 49 42 16 26 23
COLUMBIA_SC COLUMBUS_OH
CAE 0820 0821 0822 0823 0824 TZR 0820 0821 0822 0823 0824
MIN 73 74 74 73 73 MIN 70 68 64 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 0 0 0 %>85 0 0 0 0 0
%>80 1 2 1 0 0 %>80 0 0 0 0 0
%>75 28 39 36 22 18 %>75 9 2 1 1 2
%>70 89 92 94 87 82 %>70 47 26 9 14 12
DAYTON_OH DETROIT_MI
MGY 0820 0821 0822 0823 0824 DET 0820 0821 0822 0823 0824
MIN 72 68 65 67 64 MIN 69 66 64 67 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 0 0 0 %>85 0 0 0 0 0
%>80 1 0 0 0 0 %>80 0 0 0 0 0
%>75 16 4 1 1 3 %>75 3 1 0 3 1
%>70 71 32 12 16 14 %>70 35 14 7 24 9
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0820 0821 0822 0823 0824 GRR 0820 0821 0822 0823 0824
MIN 74 71 70 69 66 MIN 67 60 59 63 58
%>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 0 0 0 0 0
%>80 12 0 0 0 1 %>80 0 0 0 0 0
%>75 42 9 7 6 6 %>75 1 0 0 1 0
%>70 78 57 47 43 25 %>70 15 0 1 8 3
GREENSBORO_NC HUNTSVILLE_AL
GSO 0820 0821 0822 0823 0824 HSV 0820 0821 0822 0823 0824
MIN 69 70 70 68 69 MIN 75 74 73 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 0 0 0 0 0
%>80 0 0 0 0 0 %>80 8 5 2 1 1
%>75 5 7 6 4 5 %>75 52 38 25 19 13
%>70 41 53 46 34 35 %>70 93 86 77 75 59
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0820 0821 0822 0823 0824 TYS 0820 0821 0822 0823 0824
MIN 72 68 66 67 64 MIN 72 72 71 71 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 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 22 3 1 1 2 %>75 15 17 11 6 4
%>70 75 31 14 18 12 %>70 84 80 66 58 52
LEXINGTON_KY LOUISVILLE_KY
LEX 0820 0821 0822 0823 0824 SDF 0820 0821 0822 0823 0824
MIN 72 70 68 68 65 MIN 75 72 70 70 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 3 0 0 0 1 %>80 4 1 0 0 1
%>75 24 10 4 5 6 %>75 45 18 9 6 6
%>70 69 55 31 35 22 %>70 93 69 47 48 28
MEMPHIS_TN MIAMI_FL
MEM 0820 0821 0822 0823 0824 MIA 0820 0821 0822 0823 0824
MIN 77 74 73 73 71 MIN 82 84 83 84 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 3 2 3 3
%>90 1 0 0 0 0 %>90 12 21 15 19 17
%>85 6 1 0 0 0 %>85 38 51 45 48 42
%>80 27 10 1 2 2 %>80 65 73 67 71 64
%>75 63 45 23 25 16 %>75 86 91 84 89 82
%>70 90 85 77 77 58 %>70 97 98 95 98 94
MILWAUKEE_WI MOBILE_AL
MKE 0820 0821 0822 0823 0824 MOB 0820 0821 0822 0823 0824
MIN 67 66 65 66 61 MIN 77 78 76 76 76
%>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 1 1 1 0
%>85 0 0 0 0 0 %>85 4 7 7 4 3
%>80 1 0 1 0 0 %>80 24 30 25 22 18
%>75 4 3 4 3 2 %>75 66 69 57 60 56
%>70 19 11 10 20 7 %>70 94 93 86 90 89
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0820 0821 0822 0823 0824 NYC 0820 0821 0822 0823 0824
MIN 75 74 72 71 70 MIN 67 65 66 68 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 0 0 0 0 0
%>85 1 0 0 0 0 %>85 0 0 0 0 0
%>80 9 3 1 1 1 %>80 0 0 0 0 1
%>75 46 34 17 15 11 %>75 0 0 0 5 12
%>70 86 87 69 63 47 %>70 9 11 11 35 49
NORFOLK_VA ORLANDO_FL
ORF 0820 0821 0822 0823 0824 ORL 0820 0821 0822 0823 0824
MIN 76 74 72 72 73 MIN 78 78 79 78 78
%>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 2 4 3 3
%>80 6 7 1 2 2 %>80 23 29 34 29 28
%>75 62 41 19 25 34 %>75 84 84 84 80 80
%>70 97 83 69 74 83 %>70 100 99 99 99 99
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0820 0821 0822 0823 0824 PIT 0820 0821 0822 0823 0824
MIN 66 65 65 65 67 MIN 68 66 64 66 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 1 %>80 0 0 0 0 0
%>75 0 2 1 2 7 %>75 4 1 1 3 3
%>70 7 16 11 15 31 %>70 32 16 8 19 15
PORTLAND_ME PROVIDENCE_RI
PWM 0820 0821 0822 0823 0824 PVD 0820 0821 0822 0823 0824
MIN 57 56 57 60 63 MIN 59 60 59 64 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 0 0 0 0 1 %>75 0 0 0 0 2
%>70 0 0 0 0 9 %>70 0 1 0 7 20
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0820 0821 0822 0823 0824 RIC 0820 0821 0822 0823 0824
MIN 71 71 70 69 70 MIN 71 69 67 67 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 1 0 0 1
%>75 9 11 9 6 9 %>75 5 9 5 5 10
%>70 64 70 56 38 51 %>70 58 42 28 29 42
SAVANNAH_GA TALLAHASSEE_FL
SAV 0820 0821 0822 0823 0824 TLH 0820 0821 0822 0823 0824
MIN 76 77 77 76 76 MIN 77 78 78 77 76
%>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 3 2 0 %>85 0 1 2 1 0
%>80 11 15 22 16 7 %>80 13 22 23 13 10
%>75 56 73 68 65 56 %>75 77 84 80 78 68
%>70 95 99 96 97 97 %>70 99 99 99 99 98
TAMPA_FL WASHINGTON_DC
TPA 0820 0821 0822 0823 0824 DCA 0820 0821 0822 0823 0824
MIN 80 84 83 83 82 MIN 69 68 67 68 69
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 2 2 1 1 %>95 0 0 0 0 0
%>90 1 16 14 10 8 %>90 0 0 0 0 0
%>85 14 49 45 35 30 %>85 0 0 0 0 0
%>80 53 75 73 67 62 %>80 0 0 0 1 2
%>75 88 90 89 90 87 %>75 1 6 4 7 13
%>70 99 97 97 98 97 %>70 42 36 27 32 45
URL IS WWW.WPC.NCEP.NOAA.GOV
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