


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
862 FMUS23 KWNH 300654 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0652 UTC SAT AUG 30 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SAT AUG 30 2025 AKRON-CANTON_OH ALBANY_NY CAK 0902 0903 0904 0905 0906 ALB 0902 0903 0904 0905 0906 MEAN 65 65 60 55 58 MEAN 66 66 66 62 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 2 0 0 0 %>75 0 0 0 1 0 %>70 7 16 2 0 0 %>70 7 5 11 9 3 ASHEVILLE_NC ATLANTA_GA AVL 0902 0903 0904 0905 0906 ATL 0902 0903 0904 0905 0906 MEAN 62 62 65 62 61 MEAN 72 71 74 70 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 1 %>80 0 0 0 0 0 %>80 1 1 1 4 5 %>75 0 0 0 1 1 %>75 18 13 31 18 19 %>70 2 3 8 9 7 %>70 72 62 88 50 48 BALTIMORE_MD BIRMINGHAM_AL BWI 0902 0903 0904 0905 0906 BHM 0902 0903 0904 0905 0906 MEAN 69 69 71 68 66 MEAN 73 74 74 69 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 1 %>80 0 0 1 2 1 %>80 2 3 4 3 5 %>75 0 2 14 11 5 %>75 29 35 39 15 20 %>70 31 40 65 35 23 %>70 83 86 88 42 47 BOSTON_MA BUFFALO_NY BOS 0902 0903 0904 0905 0906 BUF 0902 0903 0904 0905 0906 MEAN 65 67 67 67 65 MEAN 65 66 61 55 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 1 1 %>80 0 0 0 0 0 %>75 0 0 1 5 4 %>75 0 0 2 0 0 %>70 2 16 18 26 20 %>70 3 12 9 0 0 CHARLESTON_SC CHARLESTON_WV CHS 0902 0903 0904 0905 0906 CRW 0902 0903 0904 0905 0906 MEAN 76 78 80 81 78 MEAN 68 67 66 61 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 1 2 %>90 0 0 0 0 0 %>85 0 3 10 16 11 %>85 0 0 0 0 0 %>80 8 32 56 66 37 %>80 0 0 0 0 0 %>75 65 83 94 96 71 %>75 2 5 2 1 1 %>70 99 99 100 100 92 %>70 27 29 18 6 6 CHARLOTTE_NC CHICAGO_IL CLT 0902 0903 0904 0905 0906 ORD 0902 0903 0904 0905 0906 MEAN 69 70 72 72 69 MEAN 70 66 54 57 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 1 0 %>85 0 0 0 0 0 %>80 0 0 2 6 3 %>80 0 0 0 0 0 %>75 2 7 24 28 16 %>75 2 3 0 0 0 %>70 33 48 75 66 44 %>70 46 19 0 1 4 CINCINNATI_OH CLEVELAND_OH LUK 0902 0903 0904 0905 0906 CLE 0902 0903 0904 0905 0906 MEAN 69 68 61 58 62 MEAN 67 67 60 56 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 5 5 1 0 1 %>75 0 2 0 0 0 %>70 41 32 7 1 6 %>70 11 23 2 0 1 COLUMBIA_SC COLUMBUS_OH CAE 0902 0903 0904 0905 0906 TZR 0902 0903 0904 0905 0906 MEAN 72 73 76 76 73 MEAN 67 66 60 56 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 2 %>85 0 0 0 0 0 %>80 0 3 12 17 11 %>80 0 0 0 0 0 %>75 14 32 59 58 35 %>75 1 2 1 0 0 %>70 77 82 94 91 67 %>70 20 19 5 1 2 DAYTON_OH DETROIT_MI MGY 0902 0903 0904 0905 0906 DET 0902 0903 0904 0905 0906 MEAN 68 67 60 57 60 MEAN 67 68 57 55 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 1 4 1 0 0 %>75 0 4 0 0 0 %>70 28 27 5 1 3 %>70 14 33 2 0 1 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0902 0903 0904 0905 0906 GRR 0902 0903 0904 0905 0906 MEAN 71 71 62 62 65 MEAN 66 64 52 52 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 2 1 0 0 1 %>80 0 0 0 0 0 %>75 16 14 1 2 5 %>75 0 2 0 0 0 %>70 56 59 9 9 20 %>70 6 13 0 0 0 GREENSBORO_NC HUNTSVILLE_AL GSO 0902 0903 0904 0905 0906 HSV 0902 0903 0904 0905 0906 MEAN 66 67 70 69 66 MEAN 72 72 71 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 1 3 2 %>80 2 3 2 1 2 %>75 0 3 12 15 9 %>75 23 25 18 6 12 %>70 11 24 55 45 29 %>70 71 74 60 23 36 INDIANAPOLIS_IN KNOXVILLE_TN IND 0902 0903 0904 0905 0906 TYS 0902 0903 0904 0905 0906 MEAN 68 68 58 57 61 MEAN 68 68 69 64 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 1 %>75 3 5 0 0 0 %>75 5 6 3 3 4 %>70 31 31 2 1 4 %>70 34 32 34 16 20 LEXINGTON_KY LOUISVILLE_KY LEX 0902 0903 0904 0905 0906 SDF 0902 0903 0904 0905 0906 MEAN 68 68 63 59 63 MEAN 70 70 63 60 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 1 1 0 0 0 %>75 5 4 1 0 2 %>75 11 10 2 1 3 %>70 34 28 10 3 12 %>70 52 46 12 5 14 MEMPHIS_TN MIAMI_FL MEM 0902 0903 0904 0905 0906 MIA 0902 0903 0904 0905 0906 MEAN 74 74 70 67 70 MEAN 92 93 95 93 92 %>100 0 0 0 0 0 %>100 9 12 20 10 8 %>95 0 0 0 0 0 %>95 31 35 47 37 30 %>90 0 0 0 0 0 %>90 66 69 78 73 65 %>85 0 0 0 0 1 %>85 91 93 95 95 90 %>80 6 4 2 2 5 %>80 99 99 99 100 99 %>75 40 38 16 10 20 %>75 100 100 100 100 100 %>70 85 89 48 30 47 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0902 0903 0904 0905 0906 MOB 0902 0903 0904 0905 0906 MEAN 68 63 53 56 59 MEAN 81 82 81 78 77 %>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 2 1 0 1 2 %>85 0 0 0 0 0 %>85 18 16 5 10 10 %>80 0 0 0 0 0 %>80 59 70 59 37 32 %>75 2 1 0 0 0 %>75 91 98 98 73 64 %>70 24 11 0 1 3 %>70 99 100 100 94 88 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0902 0903 0904 0905 0906 NYC 0902 0903 0904 0905 0906 MEAN 70 72 68 63 67 MEAN 69 70 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 0 0 %>80 1 1 1 0 2 %>80 0 0 0 2 1 %>75 12 18 9 2 11 %>75 1 3 4 13 6 %>70 55 66 35 12 31 %>70 38 48 42 40 26 NORFOLK_VA ORLANDO_FL ORF 0902 0903 0904 0905 0906 ORL 0902 0903 0904 0905 0906 MEAN 71 72 75 75 72 MEAN 85 86 87 87 87 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 1 3 1 2 %>90 0 0 0 0 0 %>90 10 16 26 20 24 %>85 0 0 0 2 1 %>85 51 58 73 75 73 %>80 0 0 6 13 7 %>80 90 92 97 99 97 %>75 1 7 51 46 28 %>75 99 100 100 100 100 %>70 72 79 95 83 64 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0902 0903 0904 0905 0906 PIT 0902 0903 0904 0905 0906 MEAN 68 69 69 68 65 MEAN 65 66 62 57 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 1 3 1 %>80 0 0 0 0 0 %>75 1 3 9 14 5 %>75 0 3 1 0 0 %>70 25 34 43 37 20 %>70 9 19 7 1 1 PORTLAND_ME PROVIDENCE_RI PWM 0902 0903 0904 0905 0906 PVD 0902 0903 0904 0905 0906 MEAN 64 65 65 64 63 MEAN 65 66 66 67 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 1 %>75 0 0 0 0 1 %>75 0 0 1 5 4 %>70 1 3 5 7 7 %>70 4 13 14 26 19 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0902 0903 0904 0905 0906 RIC 0902 0903 0904 0905 0906 MEAN 68 70 74 73 70 MEAN 67 69 73 71 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 1 1 %>85 0 0 0 1 1 %>80 0 0 4 10 7 %>80 0 0 3 7 4 %>75 0 5 38 37 23 %>75 0 2 29 26 15 %>70 17 55 86 74 50 %>70 19 38 78 56 39 SAVANNAH_GA TALLAHASSEE_FL SAV 0902 0903 0904 0905 0906 TLH 0902 0903 0904 0905 0906 MEAN 77 79 81 81 79 MEAN 81 82 83 82 79 %>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 0 1 2 %>90 2 3 1 1 3 %>85 1 9 11 15 13 %>85 17 22 23 20 16 %>80 21 42 60 66 40 %>80 55 66 83 71 46 %>75 75 82 96 97 74 %>75 89 95 99 97 79 %>70 99 98 100 100 93 %>70 99 100 100 100 96 TAMPA_FL WASHINGTON_DC TPA 0902 0903 0904 0905 0906 DCA 0902 0903 0904 0905 0906 MEAN 86 86 87 87 88 MEAN 68 69 72 68 66 %>100 0 0 0 0 1 %>100 0 0 0 0 0 %>95 2 2 3 3 7 %>95 0 0 0 0 0 %>90 17 18 25 26 32 %>90 0 0 0 0 0 %>85 57 60 71 73 73 %>85 0 0 0 0 0 %>80 90 93 96 97 95 %>80 0 0 2 3 1 %>75 99 100 100 100 100 %>75 1 5 20 13 6 %>70 100 100 100 100 100 %>70 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