


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
262 FMUS23 KWNH 170653 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0651 UTC TUE JUN 17 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM TUE JUN 17 2025 AKRON-CANTON_OH ALBANY_NY CAK 0620 0621 0622 0623 0624 ALB 0620 0621 0622 0623 0624 MEAN 73 79 88 88 87 MEAN 70 72 81 87 88 %>100 0 0 2 0 0 %>100 0 0 0 2 3 %>95 0 0 12 6 3 %>95 0 0 1 11 13 %>90 0 1 36 34 24 %>90 0 0 7 32 40 %>85 0 10 68 77 65 %>85 0 0 26 63 72 %>80 2 44 90 97 93 %>80 1 5 57 88 93 %>75 27 84 98 100 100 %>75 11 26 84 98 99 %>70 80 98 100 100 100 %>70 51 64 97 100 100 ASHEVILLE_NC ATLANTA_GA AVL 0620 0621 0622 0623 0624 ATL 0620 0621 0622 0623 0624 MEAN 76 78 80 81 82 MEAN 84 86 89 89 89 %>100 0 0 0 0 0 %>100 0 0 1 2 2 %>95 0 0 0 1 1 %>95 0 1 7 13 14 %>90 0 1 3 5 6 %>90 4 15 37 44 44 %>85 1 5 17 24 26 %>85 41 65 79 80 77 %>80 9 28 51 59 63 %>80 92 96 97 96 95 %>75 57 74 85 88 91 %>75 100 100 100 100 99 %>70 95 97 98 99 99 %>70 100 100 100 100 100 BALTIMORE_MD BIRMINGHAM_AL BWI 0620 0621 0622 0623 0624 BHM 0620 0621 0622 0623 0624 MEAN 79 84 91 95 94 MEAN 85 88 89 90 89 %>100 0 0 9 23 14 %>100 0 0 0 2 1 %>95 0 2 27 49 43 %>95 0 4 6 15 11 %>90 0 12 54 75 78 %>90 8 31 38 46 41 %>85 4 43 80 91 95 %>85 54 77 83 80 78 %>80 38 79 94 98 99 %>80 95 98 99 96 96 %>75 89 96 99 100 100 %>75 100 100 100 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 BOSTON_MA BUFFALO_NY BOS 0620 0621 0622 0623 0624 BUF 0620 0621 0622 0623 0624 MEAN 73 72 76 80 86 MEAN 68 75 81 83 82 %>100 0 0 0 1 5 %>100 0 0 0 0 0 %>95 0 0 0 5 15 %>95 0 0 0 0 1 %>90 0 0 1 14 34 %>90 0 0 3 5 6 %>85 0 0 8 30 57 %>85 0 2 18 34 27 %>80 7 4 28 50 78 %>80 0 16 58 78 63 %>75 36 25 57 71 91 %>75 4 49 91 97 90 %>70 78 65 83 87 98 %>70 34 84 99 100 99 CHARLESTON_SC CHARLESTON_WV CHS 0620 0621 0622 0623 0624 CRW 0620 0621 0622 0623 0624 MEAN 92 90 92 93 92 MEAN 78 84 89 91 91 %>100 4 2 6 11 9 %>100 0 1 5 10 6 %>95 24 17 27 35 32 %>95 0 4 18 29 23 %>90 65 53 62 67 65 %>90 0 17 43 57 53 %>85 93 87 89 90 89 %>85 6 41 71 82 82 %>80 99 98 98 98 98 %>80 31 70 91 95 96 %>75 100 100 100 100 100 %>75 72 90 98 99 100 %>70 100 100 100 100 100 %>70 95 98 100 100 100 CHARLOTTE_NC CHICAGO_IL CLT 0620 0621 0622 0623 0624 ORD 0620 0621 0622 0623 0624 MEAN 83 86 90 92 92 MEAN 78 88 88 86 82 %>100 0 0 3 8 6 %>100 0 1 0 0 2 %>95 0 2 18 29 26 %>95 0 7 5 5 8 %>90 2 18 52 62 62 %>90 0 34 36 23 19 %>85 31 61 85 88 89 %>85 3 72 80 59 37 %>80 85 94 98 98 99 %>80 28 93 97 89 59 %>75 100 100 100 100 100 %>75 76 99 100 98 78 %>70 100 100 100 100 100 %>70 97 100 100 100 91 CINCINNATI_OH CLEVELAND_OH LUK 0620 0621 0622 0623 0624 CLE 0620 0621 0622 0623 0624 MEAN 78 83 90 90 89 MEAN 74 79 88 87 85 %>100 0 0 3 2 0 %>100 0 0 4 1 1 %>95 0 1 16 15 7 %>95 0 0 14 7 5 %>90 0 8 47 51 38 %>90 0 1 37 32 23 %>85 3 35 80 86 79 %>85 0 10 66 70 54 %>80 29 74 96 98 97 %>80 6 45 88 92 81 %>75 76 95 100 100 100 %>75 37 85 98 98 94 %>70 98 100 100 100 100 %>70 82 99 100 100 99 COLUMBIA_SC COLUMBUS_OH CAE 0620 0621 0622 0623 0624 TZR 0620 0621 0622 0623 0624 MEAN 89 90 91 92 92 MEAN 77 82 89 89 88 %>100 0 1 3 8 9 %>100 0 0 2 1 0 %>95 6 10 20 31 32 %>95 0 0 11 10 5 %>90 35 45 58 66 67 %>90 0 5 39 44 33 %>85 81 86 90 91 91 %>85 2 27 74 84 78 %>80 98 99 99 99 99 %>80 21 66 95 99 98 %>75 100 100 100 100 100 %>75 66 92 99 100 100 %>70 100 100 100 100 100 %>70 95 99 100 100 100 DAYTON_OH DETROIT_MI MGY 0620 0621 0622 0623 0624 DET 0620 0621 0622 0623 0624 MEAN 77 83 90 90 88 MEAN 75 84 91 89 85 %>100 0 0 4 2 0 %>100 0 0 4 1 3 %>95 0 2 18 16 6 %>95 0 2 22 10 11 %>90 0 11 48 52 36 %>90 0 14 55 44 28 %>85 4 38 79 86 79 %>85 0 43 85 84 52 %>80 28 73 95 98 98 %>80 8 77 97 97 75 %>75 72 94 99 100 100 %>75 50 95 100 100 90 %>70 96 99 100 100 100 %>70 92 99 100 100 97 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0620 0621 0622 0623 0624 GRR 0620 0621 0622 0623 0624 MEAN 80 87 91 90 89 MEAN 73 84 88 86 82 %>100 0 0 2 1 0 %>100 0 0 0 0 1 %>95 0 5 18 14 7 %>95 0 3 6 4 5 %>90 0 29 58 55 40 %>90 0 16 35 21 16 %>85 9 69 91 91 83 %>85 0 46 79 59 35 %>80 55 94 99 99 98 %>80 6 79 98 89 59 %>75 94 100 100 100 100 %>75 35 96 100 99 80 %>70 100 100 100 100 100 %>70 79 100 100 100 92 GREENSBORO_NC HUNTSVILLE_AL GSO 0620 0621 0622 0623 0624 HSV 0620 0621 0622 0623 0624 MEAN 80 83 88 91 90 MEAN 83 87 89 90 90 %>100 0 0 1 5 2 %>100 0 1 2 5 5 %>95 0 0 9 22 15 %>95 1 7 14 21 19 %>90 0 4 37 54 50 %>90 7 29 45 50 47 %>85 4 32 74 83 85 %>85 35 65 80 79 77 %>80 46 81 95 97 98 %>80 79 91 97 95 94 %>75 94 99 100 100 100 %>75 98 99 100 99 99 %>70 100 100 100 100 100 %>70 100 100 100 100 100 INDIANAPOLIS_IN KNOXVILLE_TN IND 0620 0621 0622 0623 0624 TYS 0620 0621 0622 0623 0624 MEAN 78 85 90 89 87 MEAN 80 83 87 89 87 %>100 0 0 2 0 0 %>100 0 0 2 5 2 %>95 0 2 13 4 2 %>95 0 1 10 18 10 %>90 0 16 47 38 21 %>90 1 9 31 42 33 %>85 2 50 84 87 67 %>85 12 34 63 69 65 %>80 27 84 98 100 95 %>80 47 69 88 88 89 %>75 80 98 100 100 100 %>75 86 92 98 97 98 %>70 99 100 100 100 100 %>70 99 99 100 100 100 LEXINGTON_KY LOUISVILLE_KY LEX 0620 0621 0622 0623 0624 SDF 0620 0621 0622 0623 0624 MEAN 77 81 87 88 87 MEAN 79 84 90 90 89 %>100 0 0 0 0 0 %>100 0 0 3 3 1 %>95 0 0 3 5 4 %>95 0 1 16 18 10 %>90 0 1 24 32 28 %>90 0 11 49 53 40 %>85 1 15 68 77 71 %>85 5 43 83 86 78 %>80 16 62 95 97 95 %>80 37 82 97 98 96 %>75 70 96 100 100 100 %>75 85 98 100 100 100 %>70 98 100 100 100 100 %>70 99 100 100 100 100 MEMPHIS_TN MIAMI_FL MEM 0620 0621 0622 0623 0624 MIA 0620 0621 0622 0623 0624 MEAN 86 92 92 91 90 MEAN 90 91 93 92 92 %>100 0 5 5 5 3 %>100 1 2 9 6 4 %>95 1 25 26 24 17 %>95 11 15 34 28 23 %>90 14 62 65 59 52 %>90 54 57 72 67 62 %>85 62 90 92 88 85 %>85 93 94 95 94 92 %>80 95 99 99 98 98 %>80 100 100 100 100 99 %>75 100 100 100 100 100 %>75 100 100 100 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0620 0621 0622 0623 0624 MOB 0620 0621 0622 0623 0624 MEAN 72 82 83 81 76 MEAN 91 91 90 91 91 %>100 0 0 0 0 0 %>100 2 1 1 4 6 %>95 0 2 1 1 2 %>95 17 16 10 21 24 %>90 0 10 9 5 5 %>90 57 57 49 56 57 %>85 1 30 35 23 14 %>85 90 92 89 87 85 %>80 8 59 71 56 29 %>80 99 99 99 98 97 %>75 30 84 92 86 51 %>75 100 100 100 100 100 %>70 65 96 99 98 73 %>70 100 100 100 100 100 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0620 0621 0622 0623 0624 NYC 0620 0621 0622 0623 0624 MEAN 82 87 91 91 90 MEAN 76 78 86 87 90 %>100 0 1 4 6 4 %>100 0 0 1 2 3 %>95 0 6 20 24 20 %>95 0 0 8 11 18 %>90 2 27 55 57 51 %>90 0 0 26 33 50 %>85 19 64 86 86 82 %>85 0 5 56 64 82 %>80 67 91 98 97 96 %>80 13 35 82 87 96 %>75 96 99 100 100 100 %>75 66 80 95 97 100 %>70 100 100 100 100 100 %>70 98 98 99 100 100 NORFOLK_VA ORLANDO_FL ORF 0620 0621 0622 0623 0624 ORL 0620 0621 0622 0623 0624 MEAN 83 86 91 93 94 MEAN 91 91 91 90 90 %>100 0 1 11 16 18 %>100 2 2 2 1 2 %>95 1 6 29 38 42 %>95 18 16 18 12 16 %>90 8 23 54 65 71 %>90 60 56 58 51 51 %>85 35 53 78 86 90 %>85 93 91 91 89 85 %>80 75 83 93 96 98 %>80 100 99 99 99 98 %>75 96 96 98 99 100 %>75 100 100 100 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0620 0621 0622 0623 0624 PIT 0620 0621 0622 0623 0624 MEAN 77 81 89 93 93 MEAN 74 80 87 89 88 %>100 0 0 5 13 9 %>100 0 0 2 2 1 %>95 0 0 18 35 34 %>95 0 0 9 14 8 %>90 0 1 45 65 70 %>90 0 1 29 45 35 %>85 0 11 75 88 93 %>85 0 13 60 79 74 %>80 10 58 93 97 99 %>80 6 47 86 96 95 %>75 72 95 99 100 100 %>75 38 85 97 100 100 %>70 99 100 100 100 100 %>70 83 98 100 100 100 PORTLAND_ME PROVIDENCE_RI PWM 0620 0621 0622 0623 0624 PVD 0620 0621 0622 0623 0624 MEAN 71 67 69 74 80 MEAN 74 73 78 81 87 %>100 0 0 0 0 1 %>100 0 0 0 1 3 %>95 0 0 0 1 4 %>95 0 0 0 4 12 %>90 0 0 0 3 10 %>90 0 0 2 13 33 %>85 0 0 1 9 25 %>85 0 0 10 32 62 %>80 1 0 4 22 47 %>80 5 5 34 57 85 %>75 16 4 15 44 71 %>75 38 32 68 80 96 %>70 58 26 42 69 88 %>70 86 76 91 94 99 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0620 0621 0622 0623 0624 RIC 0620 0621 0622 0623 0624 MEAN 84 87 92 95 95 MEAN 82 87 93 97 96 %>100 0 0 7 21 20 %>100 0 1 21 34 29 %>95 0 5 28 48 49 %>95 0 8 42 58 58 %>90 4 27 61 75 78 %>90 1 29 66 79 83 %>85 38 66 88 92 95 %>85 19 61 85 92 96 %>80 87 93 98 99 99 %>80 72 87 95 98 99 %>75 100 99 100 100 100 %>75 98 97 99 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 SAVANNAH_GA TALLAHASSEE_FL SAV 0620 0621 0622 0623 0624 TLH 0620 0621 0622 0623 0624 MEAN 92 90 91 91 90 MEAN 92 91 92 92 92 %>100 4 1 2 4 2 %>100 5 3 7 8 11 %>95 24 12 17 22 15 %>95 26 21 30 29 33 %>90 64 50 56 58 52 %>90 64 60 65 63 64 %>85 92 88 90 88 87 %>85 91 91 90 89 87 %>80 99 99 99 98 99 %>80 99 99 99 98 97 %>75 100 100 100 100 100 %>75 100 100 100 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 TAMPA_FL WASHINGTON_DC TPA 0620 0621 0622 0623 0624 DCA 0620 0621 0622 0623 0624 MEAN 92 91 93 92 91 MEAN 79 85 91 95 95 %>100 5 5 11 5 5 %>100 0 0 8 23 20 %>95 26 25 35 26 25 %>95 0 2 26 51 53 %>90 64 61 68 64 59 %>90 0 13 56 78 84 %>85 92 89 91 91 88 %>85 4 46 83 94 97 %>80 99 99 99 99 98 %>80 42 83 96 99 100 %>75 100 100 100 100 100 %>75 91 98 99 100 100 %>70 100 100 100 100 100 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