Heat Index Forecast Tables
Issued by NWS
Issued by NWS
910
FMUS23 KWNH 170744
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0742 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 6 1 0 1 1 %>75 0 0 0 0 1
%>70 29 16 5 10 9 %>70 0 1 0 1 8
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 1 0 0
%>75 0 0 0 0 0 %>75 30 30 22 12 9
%>70 16 10 9 6 3 %>70 98 91 89 82 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 1 0 0 0
%>80 1 1 0 1 1 %>80 7 7 4 3 2
%>75 9 11 4 7 12 %>75 49 40 28 26 21
%>70 41 39 29 35 50 %>70 94 85 76 74 68
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 3 %>75 3 0 0 1 2
%>70 0 3 0 8 22 %>70 17 5 1 12 12
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 2 5 1 1 %>85 0 0 0 0 0
%>80 10 20 27 17 11 %>80 1 0 0 0 0
%>75 60 71 70 71 58 %>75 14 5 4 5 3
%>70 97 97 96 99 96 %>70 53 50 32 34 22
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 1 1 0 0 0 %>80 1 0 0 0 0
%>75 16 21 13 7 8 %>75 7 2 2 4 2
%>70 66 71 74 53 56 %>70 49 18 17 26 10
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 0 %>80 1 0 1 1 0
%>75 25 5 3 3 3 %>75 13 6 4 6 5
%>70 77 46 23 28 19 %>70 49 41 17 27 22
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 3 2 1 0 %>80 0 0 0 0 0
%>75 30 39 38 23 19 %>75 9 2 1 1 1
%>70 87 90 91 85 82 %>70 47 26 11 15 10
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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 15 2 1 1 2 %>75 4 1 0 3 2
%>70 71 30 14 17 13 %>70 36 13 8 24 11
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 13 0 0 0 1 %>80 0 0 0 0 0
%>75 42 9 8 4 5 %>75 1 0 0 1 0
%>70 78 57 47 42 25 %>70 17 0 1 7 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 1 0 0 0 %>80 7 2 1 0 0
%>75 8 11 5 3 4 %>75 52 36 23 16 10
%>70 42 53 46 32 34 %>70 94 90 79 78 60
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 21 3 1 1 2 %>75 16 13 8 3 2
%>70 76 31 13 18 13 %>70 83 84 68 60 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 0 %>80 4 1 0 0 0
%>75 25 9 4 4 4 %>75 46 16 9 6 5
%>70 68 55 31 33 21 %>70 93 70 47 48 27
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 2 2 3 3
%>90 1 0 0 0 0 %>90 12 22 15 21 18
%>85 5 1 0 0 0 %>85 39 53 46 49 43
%>80 26 9 2 2 2 %>80 65 73 67 71 64
%>75 64 45 26 26 17 %>75 85 89 83 88 81
%>70 90 86 75 76 57 %>70 96 97 94 96 92
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 6 4 3
%>80 1 0 1 0 0 %>80 25 30 23 21 17
%>75 4 3 4 3 1 %>75 66 69 57 60 56
%>70 18 11 10 20 6 %>70 93 93 87 91 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 11 1 1 0 1 %>80 0 0 0 0 1
%>75 46 33 17 13 11 %>75 1 4 1 6 13
%>70 85 90 70 64 47 %>70 18 20 15 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 1 2 0 0 0 %>85 1 4 6 4 3
%>80 13 14 4 3 3 %>80 25 31 36 30 29
%>75 58 43 26 28 35 %>75 82 81 81 79 79
%>70 93 76 64 71 82 %>70 99 98 98 98 98
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 1 0 0 0 %>80 0 0 0 0 0
%>75 1 6 1 1 5 %>75 7 2 1 2 2
%>70 16 22 13 14 29 %>70 34 18 9 17 13
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 1 0 0 2
%>70 0 1 0 1 10 %>70 0 5 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 1 1 1 0 1 %>80 1 3 1 0 1
%>75 13 18 12 7 11 %>75 14 15 8 5 10
%>70 62 65 55 38 51 %>70 56 44 31 29 41
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 4 1 1 %>85 0 1 2 1 1
%>80 11 15 23 15 8 %>80 13 21 21 14 12
%>75 56 73 68 65 56 %>75 76 85 81 77 67
%>70 95 99 95 97 97 %>70 99 99 99 99 97
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 1 1 1 1 %>95 0 0 0 0 0
%>90 1 15 13 9 6 %>90 0 0 0 0 0
%>85 14 50 45 36 29 %>85 0 0 0 0 0
%>80 53 76 73 69 64 %>80 1 2 0 0 1
%>75 87 90 89 89 88 %>75 11 11 4 6 10
%>70 99 97 97 98 97 %>70 45 39 27 30 44
URL IS WWW.WPC.NCEP.NOAA.GOV
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