Heat Index Forecast Tables
Issued by NWS
Issued by NWS
809
FMUS23 KWNH 180742
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0740 UTC MON AUG 18 2025
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM MON AUG 18 2025
AKRON-CANTON_OH ALBANY_NY
CAK 0821 0822 0823 0824 0825 ALB 0821 0822 0823 0824 0825
MIN 66 60 63 60 55 MIN 60 56 59 64 59
%>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 1 1 0 %>75 0 0 0 0 0
%>70 10 3 8 6 2 %>70 0 0 0 5 2
ASHEVILLE_NC ATLANTA_GA
AVL 0821 0822 0823 0824 0825 ATL 0821 0822 0823 0824 0825
MIN 66 66 66 64 61 MIN 74 73 72 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 0 0 0 0 0 %>75 28 18 11 7 5
%>70 10 8 8 3 2 %>70 97 92 84 73 49
BALTIMORE_MD BIRMINGHAM_AL
BWI 0821 0822 0823 0824 0825 BHM 0821 0822 0823 0824 0825
MIN 69 68 69 71 67 MIN 74 74 73 72 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 1 0 %>80 6 3 1 1 1
%>75 8 2 5 13 5 %>75 41 37 24 21 9
%>70 45 25 41 58 28 %>70 89 91 83 78 43
BOSTON_MA BUFFALO_NY
BOS 0821 0822 0823 0824 0825 BUF 0821 0822 0823 0824 0825
MIN 60 58 61 66 65 MIN 63 57 64 63 56
%>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 1 2 %>75 0 0 0 1 0
%>70 0 0 0 16 14 %>70 2 0 8 8 1
CHARLESTON_SC CHARLESTON_WV
CHS 0821 0822 0823 0824 0825 CRW 0821 0822 0823 0824 0825
MIN 76 77 76 76 76 MIN 70 67 69 67 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 0 0 0 0 0 %>90 0 0 0 0 0
%>85 0 1 0 0 0 %>85 0 0 0 0 0
%>80 11 18 9 6 6 %>80 0 0 0 0 0
%>75 65 71 65 59 60 %>75 4 2 6 2 1
%>70 98 98 99 99 99 %>70 47 21 40 22 6
CHARLOTTE_NC CHICAGO_IL
CLT 0821 0822 0823 0824 0825 ORD 0821 0822 0823 0824 0825
MIN 71 72 70 70 68 MIN 66 65 68 60 57
%>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 17 15 5 5 5 %>75 2 2 3 0 0
%>70 65 71 54 48 31 %>70 15 10 25 3 1
CINCINNATI_OH CLEVELAND_OH
LUK 0821 0822 0823 0824 0825 CLE 0821 0822 0823 0824 0825
MIN 68 66 67 64 58 MIN 69 64 66 64 59
%>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 0 0
%>75 2 0 1 2 0 %>75 5 3 5 3 1
%>70 31 11 22 13 3 %>70 35 13 23 18 6
COLUMBIA_SC COLUMBUS_OH
CAE 0821 0822 0823 0824 0825 TZR 0821 0822 0823 0824 0825
MIN 74 74 72 72 72 MIN 67 63 65 61 55
%>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 32 36 12 11 12 %>75 0 0 0 1 0
%>70 90 93 79 76 77 %>70 15 4 10 7 1
DAYTON_OH DETROIT_MI
MGY 0821 0822 0823 0824 0825 DET 0821 0822 0823 0824 0825
MIN 67 64 66 61 56 MIN 65 63 66 62 57
%>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 1 0 0 1 0 %>75 1 1 4 0 0
%>70 19 4 11 7 1 %>70 10 9 26 4 0
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0821 0822 0823 0824 0825 GRR 0821 0822 0823 0824 0825
MIN 70 68 68 64 59 MIN 59 59 64 58 52
%>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 2 1 3 1 %>75 0 0 1 0 0
%>70 47 29 24 16 6 %>70 0 0 8 2 0
GREENSBORO_NC HUNTSVILLE_AL
GSO 0821 0822 0823 0824 0825 HSV 0821 0822 0823 0824 0825
MIN 70 70 69 68 66 MIN 74 73 73 72 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 0 0 0 0 0 %>80 3 1 0 0 1
%>75 9 9 3 3 3 %>75 38 26 17 12 8
%>70 48 49 37 32 19 %>70 91 89 85 71 29
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0821 0822 0823 0824 0825 TYS 0821 0822 0823 0824 0825
MIN 67 64 65 61 55 MIN 72 71 71 70 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 0 0 0 0 0 %>75 12 4 5 3 4
%>70 16 4 7 4 1 %>70 82 66 64 46 19
LEXINGTON_KY LOUISVILLE_KY
LEX 0821 0822 0823 0824 0825 SDF 0821 0822 0823 0824 0825
MIN 70 68 68 66 59 MIN 71 69 69 66 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 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 5 1 2 3 1 %>75 10 2 3 3 1
%>70 48 22 31 20 6 %>70 65 36 42 20 5
MEMPHIS_TN MIAMI_FL
MEM 0821 0822 0823 0824 0825 MIA 0821 0822 0823 0824 0825
MIN 75 73 72 72 67 MIN 85 83 83 84 84
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 4 2 1 4 4
%>90 0 0 0 0 0 %>90 24 17 13 21 21
%>85 0 0 0 0 0 %>85 53 48 43 49 49
%>80 10 1 1 1 1 %>80 73 68 67 72 70
%>75 51 26 21 15 9 %>75 90 85 84 89 87
%>70 91 84 76 68 30 %>70 98 95 95 97 97
MILWAUKEE_WI MOBILE_AL
MKE 0821 0822 0823 0824 0825 MOB 0821 0822 0823 0824 0825
MIN 66 64 66 58 56 MIN 77 76 76 75 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 1 1 0 0 0
%>85 0 0 0 0 0 %>85 5 6 3 2 1
%>80 1 0 0 0 0 %>80 24 23 19 13 10
%>75 3 2 2 0 0 %>75 64 58 55 51 47
%>70 11 8 18 2 1 %>70 93 87 88 88 90
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0821 0822 0823 0824 0825 NYC 0821 0822 0823 0824 0825
MIN 73 72 71 70 64 MIN 67 65 67 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 2 0 0 0 1 %>80 0 0 0 1 0
%>75 26 14 10 8 4 %>75 1 0 2 11 5
%>70 82 71 70 51 16 %>70 20 4 25 52 29
NORFOLK_VA ORLANDO_FL
ORF 0821 0822 0823 0824 0825 ORL 0821 0822 0823 0824 0825
MIN 75 71 71 73 72 MIN 78 78 77 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 3 5 2 1 3
%>80 9 1 0 1 2 %>80 30 29 23 21 29
%>75 55 15 16 28 24 %>75 85 74 75 80 82
%>70 92 68 67 81 73 %>70 99 96 98 99 99
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0821 0822 0823 0824 0825 PIT 0821 0822 0823 0824 0825
MIN 67 64 65 68 65 MIN 67 62 65 64 56
%>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 2 0 0 5 5 %>75 1 0 1 1 0
%>70 22 7 10 33 20 %>70 17 5 15 11 2
PORTLAND_ME PROVIDENCE_RI
PWM 0821 0822 0823 0824 0825 PVD 0821 0822 0823 0824 0825
MIN 57 55 58 63 61 MIN 58 57 61 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 0 %>80 0 0 0 0 0
%>75 0 0 0 0 1 %>75 0 0 0 2 3
%>70 0 0 0 5 5 %>70 2 0 1 16 16
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0821 0822 0823 0824 0825 RIC 0821 0822 0823 0824 0825
MIN 71 70 69 69 68 MIN 70 66 67 69 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 0 0 0 0 0 %>80 1 0 0 1 1
%>75 11 5 4 6 5 %>75 12 3 1 9 7
%>70 60 45 38 42 35 %>70 49 21 22 45 27
SAVANNAH_GA TALLAHASSEE_FL
SAV 0821 0822 0823 0824 0825 TLH 0821 0822 0823 0824 0825
MIN 76 77 76 76 75 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 0 0 0 0
%>85 0 2 0 0 0 %>85 1 1 0 0 0
%>80 10 18 9 6 5 %>80 19 20 7 3 3
%>75 60 68 65 56 55 %>75 79 81 72 71 69
%>70 97 98 99 99 98 %>70 99 99 99 100 99
TAMPA_FL WASHINGTON_DC
TPA 0821 0822 0823 0824 0825 DCA 0821 0822 0823 0824 0825
MIN 83 82 81 81 82 MIN 70 67 69 70 67
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 1 0 0 1 %>95 0 0 0 0 0
%>90 12 9 5 4 9 %>90 0 0 0 0 0
%>85 42 36 24 23 33 %>85 0 0 0 0 0
%>80 72 68 58 56 65 %>80 0 0 0 1 1
%>75 89 88 87 85 88 %>75 8 2 4 11 6
%>70 97 97 98 97 98 %>70 46 25 35 53 26
URL IS WWW.WPC.NCEP.NOAA.GOV
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