


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
356 FMUS23 KWNH 311609 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1607 UTC SUN AUG 31 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN AUG 31 2025 AKRON-CANTON_OH ALBANY_NY CAK 0903 0904 0905 0906 0907 ALB 0903 0904 0905 0906 0907 MEAN 65 64 58 58 57 MEAN 66 68 67 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 1 0 %>75 1 1 0 0 0 %>75 0 2 5 5 0 %>70 13 9 2 2 0 %>70 4 25 26 19 1 ASHEVILLE_NC ATLANTA_GA AVL 0903 0904 0905 0906 0907 ATL 0903 0904 0905 0906 0907 MEAN 63 67 67 66 65 MEAN 74 76 76 75 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 2 4 1 %>80 0 0 1 1 0 %>80 5 10 17 19 11 %>75 0 0 6 6 3 %>75 37 69 56 48 41 %>70 4 14 28 25 16 %>70 84 99 89 79 78 BALTIMORE_MD BIRMINGHAM_AL BWI 0903 0904 0905 0906 0907 BHM 0903 0904 0905 0906 0907 MEAN 68 73 73 71 67 MEAN 76 77 76 74 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 1 0 %>85 0 0 1 2 0 %>85 1 0 4 5 2 %>80 0 0 8 9 0 %>80 18 17 21 19 11 %>75 2 20 34 29 5 %>75 65 79 55 46 37 %>70 31 90 71 59 29 %>70 95 100 85 74 71 BOSTON_MA BUFFALO_NY BOS 0903 0904 0905 0906 0907 BUF 0903 0904 0905 0906 0907 MEAN 67 69 69 70 66 MEAN 66 66 59 58 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 1 0 %>85 0 0 0 0 0 %>80 0 0 0 5 0 %>80 0 0 0 0 0 %>75 0 1 3 21 3 %>75 0 2 0 0 0 %>70 10 33 37 49 18 %>70 6 18 2 0 0 CHARLESTON_SC CHARLESTON_WV CHS 0903 0904 0905 0906 0907 CRW 0903 0904 0905 0906 0907 MEAN 78 82 85 86 84 MEAN 66 68 66 66 63 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 3 1 %>95 0 0 0 0 0 %>90 0 1 5 20 7 %>90 0 0 0 0 0 %>85 0 17 50 58 37 %>85 0 0 0 0 0 %>80 22 71 96 90 79 %>80 0 0 2 1 0 %>75 90 98 100 99 97 %>75 3 4 9 6 1 %>70 100 100 100 100 100 %>70 20 31 27 24 8 CHARLOTTE_NC CHICAGO_IL CLT 0903 0904 0905 0906 0907 ORD 0903 0904 0905 0906 0907 MEAN 71 75 76 75 72 MEAN 69 55 57 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 1 0 %>90 0 0 0 0 0 %>85 0 0 1 5 1 %>85 0 0 0 0 0 %>80 0 2 12 20 8 %>80 0 0 0 0 0 %>75 8 47 55 50 31 %>75 7 0 0 0 0 %>70 60 96 92 79 67 %>70 39 0 0 0 1 CINCINNATI_OH CLEVELAND_OH LUK 0903 0904 0905 0906 0907 CLE 0903 0904 0905 0906 0907 MEAN 69 66 62 63 61 MEAN 67 64 59 60 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 5 2 2 2 0 %>75 1 0 0 0 0 %>70 35 18 9 10 3 %>70 22 9 2 1 0 COLUMBIA_SC COLUMBUS_OH CAE 0903 0904 0905 0906 0907 TZR 0903 0904 0905 0906 0907 MEAN 74 79 80 80 78 MEAN 67 65 60 61 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 4 1 %>90 0 0 0 0 0 %>85 0 1 7 19 8 %>85 0 0 0 0 0 %>80 1 30 50 50 33 %>80 0 0 0 0 0 %>75 31 89 93 81 70 %>75 3 2 1 1 0 %>70 92 100 100 96 93 %>70 24 13 5 5 1 DAYTON_OH DETROIT_MI MGY 0903 0904 0905 0906 0907 DET 0903 0904 0905 0906 0907 MEAN 68 65 60 61 59 MEAN 69 62 56 58 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 3 1 1 0 0 %>75 3 0 0 0 0 %>70 29 13 5 5 1 %>70 40 5 0 0 0 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0903 0904 0905 0906 0907 GRR 0903 0904 0905 0906 0907 MEAN 72 66 66 65 64 MEAN 66 56 53 54 54 %>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 2 0 0 %>80 0 0 0 0 0 %>75 15 5 9 4 2 %>75 2 0 0 0 0 %>70 70 24 28 20 12 %>70 18 0 0 0 0 GREENSBORO_NC HUNTSVILLE_AL GSO 0903 0904 0905 0906 0907 HSV 0903 0904 0905 0906 0907 MEAN 67 72 73 72 69 MEAN 74 75 73 72 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 1 2 0 %>85 1 0 3 1 0 %>80 0 1 7 11 3 %>80 8 8 13 8 3 %>75 3 18 35 32 17 %>75 42 51 36 30 17 %>70 26 76 76 62 46 %>70 85 93 65 62 52 INDIANAPOLIS_IN KNOXVILLE_TN IND 0903 0904 0905 0906 0907 TYS 0903 0904 0905 0906 0907 MEAN 69 62 59 60 59 MEAN 69 72 69 69 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 1 1 0 %>80 0 0 0 0 0 %>80 1 2 5 4 1 %>75 3 2 0 0 0 %>75 9 20 19 18 8 %>70 39 9 3 2 1 %>70 41 68 46 45 33 LEXINGTON_KY LOUISVILLE_KY LEX 0903 0904 0905 0906 0907 SDF 0903 0904 0905 0906 0907 MEAN 68 67 64 65 63 MEAN 70 67 65 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 1 1 0 %>80 0 0 1 0 0 %>75 3 3 4 6 1 %>75 7 4 6 4 1 %>70 29 26 17 23 8 %>70 49 26 21 20 10 MEMPHIS_TN MIAMI_FL MEM 0903 0904 0905 0906 0907 MIA 0903 0904 0905 0906 0907 MEAN 76 74 74 73 72 MEAN 93 93 93 93 93 %>100 0 0 0 0 0 %>100 13 14 15 9 10 %>95 0 0 0 0 0 %>95 36 37 38 32 33 %>90 0 0 1 0 0 %>90 67 66 68 67 67 %>85 0 1 4 2 1 %>85 90 88 90 92 91 %>80 12 9 17 11 6 %>80 98 98 98 99 99 %>75 65 44 41 35 28 %>75 100 100 100 100 100 %>70 98 86 70 67 63 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0903 0904 0905 0906 0907 MOB 0903 0904 0905 0906 0907 MEAN 66 53 56 56 57 MEAN 83 85 86 84 82 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 2 3 0 %>90 0 0 0 0 0 %>90 1 10 16 17 4 %>85 0 0 0 0 0 %>85 25 54 55 46 25 %>80 0 0 0 0 0 %>80 84 93 89 77 64 %>75 2 0 0 0 0 %>75 100 100 99 94 91 %>70 16 0 0 0 1 %>70 100 100 100 99 99 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0903 0904 0905 0906 0907 NYC 0903 0904 0905 0906 0907 MEAN 73 72 69 69 68 MEAN 70 71 72 71 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 1 0 0 %>85 0 0 0 1 0 %>80 2 4 5 3 1 %>80 0 0 2 6 0 %>75 25 25 18 14 9 %>75 1 2 24 25 4 %>70 76 67 44 41 33 %>70 49 61 75 56 26 NORFOLK_VA ORLANDO_FL ORF 0903 0904 0905 0906 0907 ORL 0903 0904 0905 0906 0907 MEAN 71 75 79 78 74 MEAN 86 87 89 90 90 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 3 7 7 8 %>90 0 0 0 1 0 %>90 12 25 44 47 46 %>85 0 0 6 10 1 %>85 57 71 89 91 89 %>80 0 3 42 36 7 %>80 94 96 99 100 99 %>75 2 56 89 71 38 %>75 100 100 100 100 100 %>70 79 99 100 93 81 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0903 0904 0905 0906 0907 PIT 0903 0904 0905 0906 0907 MEAN 68 71 72 71 66 MEAN 65 66 61 61 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 1 2 0 %>85 0 0 0 0 0 %>80 0 0 6 8 1 %>80 0 0 0 0 0 %>75 1 6 29 26 5 %>75 1 2 1 1 0 %>70 28 70 68 54 24 %>70 13 17 8 6 0 PORTLAND_ME PROVIDENCE_RI PWM 0903 0904 0905 0906 0907 PVD 0903 0904 0905 0906 0907 MEAN 65 66 65 67 63 MEAN 66 68 69 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 0 %>85 0 0 0 1 0 %>80 0 0 0 0 0 %>80 0 0 0 4 0 %>75 0 0 0 4 0 %>75 0 1 4 18 4 %>70 1 3 2 23 4 %>70 9 22 41 46 21 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0903 0904 0905 0906 0907 RIC 0903 0904 0905 0906 0907 MEAN 71 75 77 76 73 MEAN 69 74 76 74 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 2 0 %>90 0 0 0 1 0 %>85 0 0 3 9 2 %>85 0 0 3 6 1 %>80 0 4 26 28 12 %>80 0 1 20 21 5 %>75 5 51 72 59 37 %>75 2 31 59 47 21 %>70 58 96 97 84 69 %>70 35 91 90 74 52 SAVANNAH_GA TALLAHASSEE_FL SAV 0903 0904 0905 0906 0907 TLH 0903 0904 0905 0906 0907 MEAN 79 83 86 86 85 MEAN 82 85 86 86 86 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 4 1 %>95 0 0 0 1 1 %>90 0 1 9 22 11 %>90 1 6 10 15 11 %>85 2 22 58 61 47 %>85 20 52 65 55 57 %>80 36 79 96 91 86 %>80 77 95 98 90 94 %>75 92 99 100 99 99 %>75 99 100 100 99 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 TAMPA_FL WASHINGTON_DC TPA 0903 0904 0905 0906 0907 DCA 0903 0904 0905 0906 0907 MEAN 86 87 89 90 90 MEAN 68 73 73 72 68 %>100 0 0 0 1 1 %>100 0 0 0 0 0 %>95 2 5 5 10 13 %>95 0 0 0 0 0 %>90 18 29 39 49 49 %>90 0 0 0 0 0 %>85 60 70 86 89 86 %>85 0 0 2 2 0 %>80 92 95 99 99 99 %>80 0 1 11 11 1 %>75 99 100 100 100 100 %>75 4 27 37 31 8 %>70 100 100 100 100 100 %>70 30 88 71 60 33 URL IS WWW.WPC.NCEP.NOAA.GOV $$