Heat Index Forecast Tables
Issued by NWS
Issued by NWS
342
FMUS23 KWNH 260746
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0744 UTC WED AUG 26 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED AUG 26 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0829 0830 0831 0901 0902 ALB 0829 0830 0831 0901 0902
MIN 56 60 67 71 69 MIN 53 54 63 64 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 2 %>80 0 0 0 1 0
%>75 0 0 4 10 14 %>75 0 0 0 4 3
%>70 0 1 27 57 41 %>70 0 0 5 17 13
ASHEVILLE_NC ATLANTA_GA
AVL 0829 0830 0831 0901 0902 ATL 0829 0830 0831 0901 0902
MIN 64 65 65 66 67 MIN 72 72 73 74 74
%>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 1 4
%>75 0 0 0 0 1 %>75 5 8 19 31 40
%>70 1 3 6 11 16 %>70 78 81 86 91 90
BALTIMORE_MD BIRMINGHAM_AL
BWI 0829 0830 0831 0901 0902 BHM 0829 0830 0831 0901 0902
MIN 69 70 73 75 75 MIN 71 72 73 74 74
%>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 2 4 %>85 0 0 0 0 1
%>80 0 0 5 15 20 %>80 0 1 2 5 8
%>75 6 10 32 51 51 %>75 7 18 29 38 42
%>70 43 53 73 84 80 %>70 70 75 84 86 84
BOSTON_MA BUFFALO_NY
BOS 0829 0830 0831 0901 0902 BUF 0829 0830 0831 0901 0902
MIN 63 62 68 68 67 MIN 54 58 68 68 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 1 1 %>80 0 0 1 1 1
%>75 0 0 2 10 8 %>75 0 0 7 10 6
%>70 2 1 30 39 30 %>70 0 1 32 36 23
CHARLESTON_SC CHARLESTON_WV
CHS 0829 0830 0831 0901 0902 CRW 0829 0830 0831 0901 0902
MIN 75 75 76 77 78 MIN 65 67 70 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 1 %>90 0 0 0 0 0
%>85 2 3 3 4 9 %>85 0 0 0 0 0
%>80 12 17 19 23 34 %>80 0 0 0 0 1
%>75 46 51 58 65 70 %>75 0 0 4 10 18
%>70 85 86 91 94 93 %>70 1 15 48 71 68
CHARLOTTE_NC CHICAGO_IL
CLT 0829 0830 0831 0901 0902 ORD 0829 0830 0831 0901 0902
MIN 70 70 71 73 74 MIN 64 68 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 1 1
%>80 0 0 1 2 5 %>80 0 0 2 7 5
%>75 4 6 16 28 38 %>75 0 3 25 30 22
%>70 52 53 65 78 84 %>70 5 30 76 68 54
CINCINNATI_OH CLEVELAND_OH
LUK 0829 0830 0831 0901 0902 CLE 0829 0830 0831 0901 0902
MIN 64 65 71 73 73 MIN 60 63 71 73 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 1
%>80 0 0 0 1 6 %>80 0 0 1 5 5
%>75 0 0 10 26 32 %>75 1 1 16 32 23
%>70 4 6 60 87 73 %>70 4 9 58 78 56
COLUMBIA_SC COLUMBUS_OH
CAE 0829 0830 0831 0901 0902 TZR 0829 0830 0831 0901 0902
MIN 72 72 73 74 75 MIN 61 63 69 71 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 1 %>85 0 0 0 0 0
%>80 0 1 3 8 14 %>80 0 0 0 0 4
%>75 14 18 30 44 53 %>75 0 0 3 14 21
%>70 80 78 81 86 88 %>70 2 2 34 67 56
DAYTON_OH DETROIT_MI
MGY 0829 0830 0831 0901 0902 DET 0829 0830 0831 0901 0902
MIN 62 64 70 73 72 MIN 61 67 72 73 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 1 1
%>80 0 0 0 1 5 %>80 0 0 1 7 4
%>75 0 0 5 22 28 %>75 0 1 23 32 19
%>70 2 5 52 85 66 %>70 3 21 74 71 49
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0829 0830 0831 0901 0902 GRR 0829 0830 0831 0901 0902
MIN 65 67 73 75 75 MIN 57 64 70 69 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 2 %>85 0 0 0 0 0
%>80 0 0 2 9 15 %>80 0 0 0 1 1
%>75 0 1 25 50 51 %>75 0 0 10 11 7
%>70 5 20 79 91 87 %>70 0 6 54 41 24
GREENSBORO_NC HUNTSVILLE_AL
GSO 0829 0830 0831 0901 0902 HSV 0829 0830 0831 0901 0902
MIN 69 69 70 72 73 MIN 69 71 73 74 74
%>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 2 2 %>80 0 0 1 3 4
%>75 1 2 9 21 28 %>75 2 13 27 35 40
%>70 33 35 55 71 79 %>70 40 65 83 88 88
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0829 0830 0831 0901 0902 TYS 0829 0830 0831 0901 0902
MIN 61 64 70 73 72 MIN 69 70 71 72 73
%>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 6 %>80 0 0 0 1 1
%>75 0 0 5 23 29 %>75 2 3 10 19 24
%>70 1 4 51 80 67 %>70 32 44 69 80 84
LEXINGTON_KY LOUISVILLE_KY
LEX 0829 0830 0831 0901 0902 SDF 0829 0830 0831 0901 0902
MIN 65 66 71 73 73 MIN 65 67 73 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 0 0 0 0 0
%>85 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 1 2 5 %>80 0 0 1 2 9
%>75 0 1 16 31 33 %>75 0 1 26 49 48
%>70 4 14 66 84 77 %>70 7 17 83 96 89
MEMPHIS_TN MIAMI_FL
MEM 0829 0830 0831 0901 0902 MIA 0829 0830 0831 0901 0902
MIN 69 71 75 77 77 MIN 87 88 89 88 88
%>100 0 0 0 0 0 %>100 3 4 4 3 2
%>95 0 0 0 0 0 %>95 15 17 18 15 13
%>90 0 0 0 0 0 %>90 37 41 44 39 39
%>85 0 0 1 2 3 %>85 62 68 70 66 65
%>80 0 0 12 21 26 %>80 83 87 89 87 86
%>75 2 12 54 68 70 %>75 95 96 97 97 97
%>70 41 59 90 95 95 %>70 99 99 99 99 99
MILWAUKEE_WI MOBILE_AL
MKE 0829 0830 0831 0901 0902 MOB 0829 0830 0831 0901 0902
MIN 63 68 72 71 69 MIN 73 74 75 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 0 0 1 1 1
%>85 0 0 0 0 0 %>85 2 3 5 5 6
%>80 0 0 2 2 2 %>80 11 15 20 20 22
%>75 0 2 24 19 13 %>75 38 44 50 51 53
%>70 7 29 73 56 45 %>70 74 78 81 82 83
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0829 0830 0831 0901 0902 NYC 0829 0830 0831 0901 0902
MIN 67 70 73 74 75 MIN 67 67 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 1 %>85 0 0 0 0 0
%>80 0 0 4 8 10 %>80 0 0 2 7 6
%>75 0 8 32 43 46 %>75 1 4 19 37 30
%>70 16 46 80 85 85 %>70 22 28 61 78 69
NORFOLK_VA ORLANDO_FL
ORF 0829 0830 0831 0901 0902 ORL 0829 0830 0831 0901 0902
MIN 74 75 76 77 78 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 1 %>90 0 1 1 0 0
%>85 0 0 1 5 9 %>85 3 7 8 5 4
%>80 7 7 14 30 37 %>80 27 32 35 31 30
%>75 47 52 58 70 74 %>75 75 71 74 77 76
%>70 87 90 90 93 94 %>70 97 94 95 97 97
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0829 0830 0831 0901 0902 PIT 0829 0830 0831 0901 0902
MIN 68 67 71 74 73 MIN 58 61 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 1 3 %>85 0 0 0 0 0
%>80 0 0 1 8 14 %>80 0 0 0 0 1
%>75 2 3 15 38 39 %>75 0 0 1 6 11
%>70 26 26 61 78 70 %>70 0 1 22 53 42
PORTLAND_ME PROVIDENCE_RI
PWM 0829 0830 0831 0901 0902 PVD 0829 0830 0831 0901 0902
MIN 58 56 64 62 61 MIN 63 61 67 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 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 0 0 2 1
%>75 0 0 0 1 1 %>75 0 0 2 11 8
%>70 1 0 7 9 6 %>70 3 1 23 38 29
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0829 0830 0831 0901 0902 RIC 0829 0830 0831 0901 0902
MIN 71 71 73 74 75 MIN 70 70 72 74 74
%>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 1 2 %>85 0 0 0 2 3
%>80 0 0 3 9 15 %>80 0 0 3 12 15
%>75 8 9 27 43 52 %>75 6 5 23 39 44
%>70 65 63 77 84 87 %>70 48 47 66 74 76
SAVANNAH_GA TALLAHASSEE_FL
SAV 0829 0830 0831 0901 0902 TLH 0829 0830 0831 0901 0902
MIN 74 75 76 76 77 MIN 74 74 75 75 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 3 3 2 5 %>85 0 0 1 3 3
%>80 10 15 17 17 24 %>80 4 6 12 18 20
%>75 43 49 56 59 62 %>75 37 38 49 54 58
%>70 86 85 90 93 91 %>70 88 85 87 86 89
TAMPA_FL WASHINGTON_DC
TPA 0829 0830 0831 0901 0902 DCA 0829 0830 0831 0901 0902
MIN 79 78 78 79 79 MIN 70 70 73 75 75
%>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 3 4 4 4 4 %>90 0 0 0 0 1
%>85 14 15 16 15 16 %>85 0 0 0 2 5
%>80 40 38 40 41 42 %>80 0 0 4 15 21
%>75 74 67 69 72 73 %>75 6 8 28 48 52
%>70 94 88 90 92 92 %>70 46 48 72 84 82
URL IS WWW.WPC.NCEP.NOAA.GOV
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