Heat Index Forecast Tables
Issued by NWS
Issued by NWS
868
FMUS23 KWNH 231819
PRBEHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1817 UTC SUN AUG 23 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN AUG 23 2026
AKRON-CANTON_OH ALBANY_NY
CAK 0826 0827 0828 0829 0830 ALB 0826 0827 0828 0829 0830
MIN 56 62 63 59 60 MIN 57 60 64 59 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 0 0 0 0 1 %>75 0 0 0 0 0
%>70 0 0 0 1 6 %>70 0 0 0 1 0
ASHEVILLE_NC ATLANTA_GA
AVL 0826 0827 0828 0829 0830 ATL 0826 0827 0828 0829 0830
MIN 62 64 63 63 64 MIN 72 73 72 71 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 0 0 0
%>75 0 0 0 0 0 %>75 12 20 11 9 14
%>70 2 7 3 3 5 %>70 70 88 79 68 81
BALTIMORE_MD BIRMINGHAM_AL
BWI 0826 0827 0828 0829 0830 BHM 0826 0827 0828 0829 0830
MIN 65 72 72 70 69 MIN 72 73 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 1 2 %>80 1 3 1 1 2
%>75 0 12 13 11 14 %>75 21 31 21 16 24
%>70 12 70 71 55 46 %>70 79 82 81 66 75
BOSTON_MA BUFFALO_NY
BOS 0826 0827 0828 0829 0830 BUF 0826 0827 0828 0829 0830
MIN 62 64 69 67 62 MIN 57 64 64 57 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 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 0 0 0
%>70 0 1 33 20 6 %>70 0 1 1 0 3
CHARLESTON_SC CHARLESTON_WV
CHS 0826 0827 0828 0829 0830 CRW 0826 0827 0828 0829 0830
MIN 76 77 77 77 77 MIN 58 66 67 65 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 1 1 1 0 %>90 0 0 0 0 0
%>85 3 5 7 5 5 %>85 0 0 0 0 0
%>80 19 26 28 25 25 %>80 0 0 0 0 0
%>75 58 64 64 61 66 %>75 0 0 0 0 3
%>70 91 92 91 90 94 %>70 0 9 6 9 19
CHARLOTTE_NC CHICAGO_IL
CLT 0826 0827 0828 0829 0830 ORD 0826 0827 0828 0829 0830
MIN 68 70 70 70 71 MIN 66 66 65 65 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 1 %>80 0 0 0 0 1
%>75 6 11 9 8 12 %>75 1 1 1 2 7
%>70 33 54 55 56 60 %>70 6 8 7 12 32
CINCINNATI_OH CLEVELAND_OH
LUK 0826 0827 0828 0829 0830 CLE 0826 0827 0828 0829 0830
MIN 60 66 66 64 65 MIN 59 66 66 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 0 0 0 0 4 %>75 0 2 3 2 3
%>70 0 11 10 7 20 %>70 3 11 16 8 13
COLUMBIA_SC COLUMBUS_OH
CAE 0826 0827 0828 0829 0830 TZR 0826 0827 0828 0829 0830
MIN 72 73 73 73 74 MIN 58 65 64 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 2 3 2 1 2 %>80 0 0 0 0 0
%>75 22 29 31 30 33 %>75 0 0 0 0 2
%>70 71 79 86 88 88 %>70 0 2 3 3 12
DAYTON_OH DETROIT_MI
MGY 0826 0827 0828 0829 0830 DET 0826 0827 0828 0829 0830
MIN 59 66 65 63 65 MIN 63 68 65 63 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 4 %>75 0 0 1 1 4
%>70 0 6 5 5 18 %>70 3 18 8 7 21
EVANSVILLE_IN GRAND_RAPIDS_MI
EVV 0826 0827 0828 0829 0830 GRR 0826 0827 0828 0829 0830
MIN 66 69 67 66 69 MIN 59 64 59 57 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 2 %>80 0 0 0 0 0
%>75 0 3 0 1 14 %>75 0 0 0 0 2
%>70 9 43 19 17 43 %>70 0 0 0 2 9
GREENSBORO_NC HUNTSVILLE_AL
GSO 0826 0827 0828 0829 0830 HSV 0826 0827 0828 0829 0830
MIN 65 69 69 69 69 MIN 70 72 71 69 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 1 0 0 1
%>75 1 5 4 3 7 %>75 8 17 5 6 12
%>70 12 39 40 38 42 %>70 52 74 63 44 59
INDIANAPOLIS_IN KNOXVILLE_TN
IND 0826 0827 0828 0829 0830 TYS 0826 0827 0828 0829 0830
MIN 61 66 64 63 66 MIN 65 70 69 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 0 0 0 0
%>75 0 0 0 0 4 %>75 0 7 1 1 4
%>70 0 4 4 4 21 %>70 8 45 32 22 36
LEXINGTON_KY LOUISVILLE_KY
LEX 0826 0827 0828 0829 0830 SDF 0826 0827 0828 0829 0830
MIN 61 67 66 65 66 MIN 64 69 67 66 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 1 %>80 0 0 0 0 1
%>75 0 2 0 1 6 %>75 0 2 1 1 9
%>70 1 23 13 13 26 %>70 2 38 21 18 37
MEMPHIS_TN MIAMI_FL
MEM 0826 0827 0828 0829 0830 MIA 0826 0827 0828 0829 0830
MIN 75 74 73 72 74 MIN 87 87 88 88 88
%>100 0 0 0 0 0 %>100 2 2 2 2 3
%>95 0 0 0 0 0 %>95 11 12 13 15 16
%>90 0 0 0 0 0 %>90 33 35 40 42 42
%>85 1 0 0 0 1 %>85 63 64 69 70 70
%>80 11 4 2 2 11 %>80 86 87 91 90 90
%>75 50 36 28 22 39 %>75 97 97 98 98 98
%>70 89 86 82 69 75 %>70 99 99 100 99 99
MILWAUKEE_WI MOBILE_AL
MKE 0826 0827 0828 0829 0830 MOB 0826 0827 0828 0829 0830
MIN 67 65 64 64 67 MIN 76 77 76 75 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 0 1 0 0 0
%>90 0 0 0 0 0 %>90 1 3 1 0 1
%>85 0 0 0 0 0 %>85 7 11 7 3 6
%>80 0 0 0 0 1 %>80 25 30 24 17 22
%>75 1 1 1 2 6 %>75 58 59 53 49 53
%>70 12 9 9 14 30 %>70 86 84 81 82 83
NASHVILLE_TN NEW_YORK_CITY_NY
BNA 0826 0827 0828 0829 0830 NYC 0826 0827 0828 0829 0830
MIN 68 71 70 69 70 MIN 65 70 71 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 2 %>80 0 0 0 0 1
%>75 4 11 4 5 15 %>75 0 4 10 5 6
%>70 28 63 46 37 51 %>70 3 50 68 43 27
NORFOLK_VA ORLANDO_FL
ORF 0826 0827 0828 0829 0830 ORL 0826 0827 0828 0829 0830
MIN 73 75 75 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 2 2 3 5 7
%>80 2 8 8 9 8 %>80 25 25 27 32 36
%>75 34 58 57 57 58 %>75 77 76 77 74 78
%>70 78 92 94 93 93 %>70 98 98 98 96 97
PHILADELPHIA_PA PITTSBURGH_PA
PHL 0826 0827 0828 0829 0830 PIT 0826 0827 0828 0829 0830
MIN 64 70 71 69 67 MIN 57 62 65 61 61
%>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 1 3 5 6 %>75 0 0 0 0 1
%>70 1 46 68 40 27 %>70 0 0 0 1 6
PORTLAND_ME PROVIDENCE_RI
PWM 0826 0827 0828 0829 0830 PVD 0826 0827 0828 0829 0830
MIN 59 60 65 62 56 MIN 60 64 68 66 61
%>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 2 1
%>70 0 0 5 5 1 %>70 0 2 26 19 5
RALEIGH-DURHAM_NC RICHMOND_VA
RDU 0826 0827 0828 0829 0830 RIC 0826 0827 0828 0829 0830
MIN 68 71 72 72 72 MIN 65 70 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 0 1 0 0 1 %>80 0 0 0 0 1
%>75 4 15 16 15 19 %>75 0 7 10 8 13
%>70 31 65 74 74 71 %>70 7 53 65 58 51
SAVANNAH_GA TALLAHASSEE_FL
SAV 0826 0827 0828 0829 0830 TLH 0826 0827 0828 0829 0830
MIN 76 76 76 76 76 MIN 76 75 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 2 3 3 3 %>85 1 1 1 1 1
%>80 10 15 19 18 19 %>80 8 10 11 10 12
%>75 56 58 57 56 61 %>75 58 52 53 52 56
%>70 95 93 90 90 93 %>70 95 91 91 91 92
TAMPA_FL WASHINGTON_DC
TPA 0826 0827 0828 0829 0830 DCA 0826 0827 0828 0829 0830
MIN 79 79 80 79 79 MIN 64 71 71 71 70
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 1 1 %>95 0 0 0 0 0
%>90 2 3 4 4 4 %>90 0 0 0 0 0
%>85 15 16 20 17 16 %>85 0 0 0 0 0
%>80 45 45 52 44 44 %>80 0 0 0 0 2
%>75 79 77 82 74 75 %>75 0 6 7 8 14
%>70 96 95 96 93 94 %>70 4 67 72 58 47
URL IS WWW.WPC.NCEP.NOAA.GOV
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