Heat Index Forecast Tables
Issued by NWS
Issued by NWS
060
FMUS23 KWNH 211820
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1818 UTC FRI AUG 21 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM FRI AUG 21 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0824 0825 0826 0827 0828 ALB 0824 0825 0826 0827 0828
MIN 54 54 57 61 63 MIN 57 54 54 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 0 0 0 0 0 %>75 0 0 0 0 0
%>70 0 0 0 1 3 %>70 0 0 0 0 2
ASHEVILLE_NC ATLANTA_GA
AVL 0824 0825 0826 0827 0828 ATL 0824 0825 0826 0827 0828
MIN 57 59 62 64 63 MIN 68 68 71 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 0 0 %>80 0 0 1 1 0
%>75 0 0 0 0 0 %>75 6 5 17 24 12
%>70 0 0 3 7 5 %>70 35 34 66 82 77
BALTIMORE_MD BIRMINGHAM_AL
BWI 0824 0825 0826 0827 0828 BHM 0824 0825 0826 0827 0828
MIN 65 63 67 71 71 MIN 69 70 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 0 0 %>80 1 1 5 5 2
%>75 0 0 2 11 11 %>75 11 12 30 34 23
%>70 7 3 18 63 66 %>70 43 53 73 80 76
BOSTON_MA BUFFALO_NY
BOS 0824 0825 0826 0827 0828 BUF 0824 0825 0826 0827 0828
MIN 66 60 61 64 67 MIN 56 55 57 62 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 1 0 0 0 1 %>75 0 0 0 0 0
%>70 15 1 0 5 19 %>70 0 0 0 1 4
CHARLESTON_SC CHARLESTON_WV
CHS 0824 0825 0826 0827 0828 CRW 0824 0825 0826 0827 0828
MIN 76 76 76 78 78 MIN 58 56 60 66 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 1 2 1 2 2 %>90 0 0 0 0 0
%>85 7 9 7 10 10 %>85 0 0 0 0 0
%>80 24 27 27 33 33 %>80 0 0 0 0 0
%>75 56 58 60 67 67 %>75 0 0 0 0 0
%>70 85 84 87 91 91 %>70 0 0 0 13 17
CHARLOTTE_NC CHICAGO_IL
CLT 0824 0825 0826 0827 0828 ORD 0824 0825 0826 0827 0828
MIN 65 66 68 71 71 MIN 60 62 66 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 0 0 0 0 0
%>85 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 1 1 0 %>80 0 0 0 0 0
%>75 1 1 7 13 9 %>75 0 0 1 1 2
%>70 14 11 37 59 58 %>70 1 2 12 14 18
CINCINNATI_OH CLEVELAND_OH
LUK 0824 0825 0826 0827 0828 CLE 0824 0825 0826 0827 0828
MIN 57 57 62 65 66 MIN 58 58 60 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 1 3
%>70 0 0 2 8 14 %>70 0 1 4 11 17
COLUMBIA_SC COLUMBUS_OH
CAE 0824 0825 0826 0827 0828 TZR 0824 0825 0826 0827 0828
MIN 70 70 72 74 73 MIN 55 55 59 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 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 4 4 3 %>80 0 0 0 0 0
%>75 9 13 26 36 32 %>75 0 0 0 0 0
%>70 46 53 66 85 85 %>70 0 0 0 2 6
DAYTON_OH DETROIT_MI
MGY 0824 0825 0826 0827 0828 DET 0824 0825 0826 0827 0828
MIN 55 56 61 64 65 MIN 57 59 64 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 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 0 0 0 0 2
%>70 0 0 1 4 9 %>70 0 0 6 11 15
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0824 0825 0826 0827 0828 GRR 0824 0825 0826 0827 0828
MIN 61 63 67 68 68 MIN 51 52 61 62 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 0 0 3 2 4 %>75 0 0 0 0 0
%>70 0 3 24 29 32 %>70 0 0 2 2 2
GREENSBORO_NC HUNTSVILLE_AL
GSO 0824 0825 0826 0827 0828 HSV 0824 0825 0826 0827 0828
MIN 62 62 66 69 69 MIN 67 69 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 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 0 2 1 0
%>75 0 0 3 7 5 %>75 2 4 21 19 12
%>70 4 2 19 43 41 %>70 21 37 67 77 65
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0824 0825 0826 0827 0828 TYS 0824 0825 0826 0827 0828
MIN 56 58 62 65 65 MIN 62 63 67 70 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 0 0 0 0
%>75 0 0 0 0 1 %>75 0 0 1 3 3
%>70 0 0 3 4 11 %>70 1 2 19 48 37
LEXINGTON_KY LOUISVILLE_KY
LEX 0824 0825 0826 0827 0828 SDF 0824 0825 0826 0827 0828
MIN 58 58 63 67 67 MIN 60 60 65 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 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 1 %>75 0 0 1 2 4
%>70 0 0 6 21 20 %>70 0 0 13 29 32
MEMPHIS_TN MIAMI_FL
MEM 0824 0825 0826 0827 0828 MIA 0824 0825 0826 0827 0828
MIN 72 74 75 74 74 MIN 86 87 88 87 88
%>100 0 0 0 0 0 %>100 1 2 2 1 2
%>95 0 0 0 0 0 %>95 8 10 12 10 13
%>90 0 0 0 0 0 %>90 29 32 35 35 38
%>85 0 1 2 1 1 %>85 58 60 65 64 65
%>80 3 10 17 10 9 %>80 85 85 89 87 87
%>75 24 40 53 41 39 %>75 97 97 98 97 97
%>70 71 79 86 79 78 %>70 100 99 100 99 99
MILWAUKEE_WI MOBILE_AL
MKE 0824 0825 0826 0827 0828 MOB 0824 0825 0826 0827 0828
MIN 59 62 66 66 65 MIN 77 77 77 77 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 2 1 1 1 1
%>90 0 0 0 0 0 %>90 6 3 4 4 3
%>85 0 0 0 0 0 %>85 16 10 13 13 11
%>80 0 0 0 0 0 %>80 35 29 33 33 30
%>75 0 0 1 2 3 %>75 60 59 62 61 57
%>70 1 4 15 15 18 %>70 82 85 85 84 82
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0824 0825 0826 0827 0828 NYC 0824 0825 0826 0827 0828
MIN 64 66 70 71 70 MIN 66 63 65 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 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 1 9 12 10 %>75 0 0 0 5 8
%>70 5 15 50 62 53 %>70 11 3 8 43 55
NORFOLK_VA ORLANDO_FL
ORF 0824 0825 0826 0827 0828 ORL 0824 0825 0826 0827 0828
MIN 72 72 74 75 75 MIN 78 78 78 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 4 4 3 3 5
%>80 1 1 5 9 10 %>80 30 32 28 27 33
%>75 22 21 40 54 55 %>75 78 81 78 77 78
%>70 69 68 81 90 91 %>70 98 98 98 98 97
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0824 0825 0826 0827 0828 PIT 0824 0825 0826 0827 0828
MIN 64 62 64 69 70 MIN 56 54 57 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 0 0 0 1 3 %>75 0 0 0 0 0
%>70 1 0 2 33 48 %>70 0 0 0 1 3
PORTLAND_ME PROVIDENCE_RI
PWM 0824 0825 0826 0827 0828 PVD 0824 0825 0826 0827 0828
MIN 63 57 57 60 62 MIN 65 59 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 1 0 0 0 0 %>75 2 0 0 0 2
%>70 7 2 1 1 5 %>70 15 2 0 7 20
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0824 0825 0826 0827 0828 RIC 0824 0825 0826 0827 0828
MIN 66 65 69 71 72 MIN 64 63 67 70 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 1 1 %>80 0 0 0 0 0
%>75 1 1 7 17 16 %>75 0 0 1 10 11
%>70 13 12 38 65 69 %>70 6 3 19 53 58
SAVANNAH_GA TALLAHASSEE_FL
SAV 0824 0825 0826 0827 0828 TLH 0824 0825 0826 0827 0828
MIN 75 75 75 76 76 MIN 76 76 75 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 1 1 %>90 1 0 0 0 0
%>85 2 2 2 4 5 %>85 4 1 1 2 3
%>80 13 15 13 22 23 %>80 22 13 7 16 20
%>75 52 53 52 60 60 %>75 57 56 54 55 57
%>70 91 89 90 91 90 %>70 87 92 95 89 88
TAMPA_FL WASHINGTON_DC
TPA 0824 0825 0826 0827 0828 DCA 0824 0825 0826 0827 0828
MIN 81 81 79 79 80 MIN 64 63 66 71 71
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 0 0 0 1 %>95 0 0 0 0 0
%>90 6 5 3 3 6 %>90 0 0 0 0 0
%>85 27 24 15 15 21 %>85 0 0 0 0 0
%>80 59 57 44 43 49 %>80 0 0 0 0 0
%>75 84 85 77 75 78 %>75 0 0 0 7 7
%>70 96 97 95 94 94 %>70 2 1 11 60 65
URL IS WWW.WPC.NCEP.NOAA.GOV
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