FMUS23 KWNH 210741 PRBEHH DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0654 UTC SUN JUN 21 2026 MAXIMUM HEAT INDEX (DEG F) AND MAXIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN JUN 21 2026 AKRON-CANTON_OH ALBANY_NY CAK 0624 0625 0626 0627 0628 ALB 0624 0625 0626 0627 0628 MAX 78 80 80 82 87 MAX 81 83 80 81 83 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 1 %>105 0 1 0 0 1 %>100 0 0 0 1 5 %>100 0 3 1 2 3 %>95 0 1 0 4 15 %>95 3 9 4 6 9 %>90 1 5 3 13 33 %>90 10 21 11 16 22 %>85 8 20 15 32 57 %>85 27 40 26 33 42 %>80 33 50 47 59 79 %>80 52 63 48 56 65 ASHEVILLE_NC ATLANTA_GA AVL 0624 0625 0626 0627 0628 ATL 0624 0625 0626 0627 0628 MAX 82 84 85 86 89 MAX 91 93 94 96 98 %>110 0 0 0 0 0 %>110 0 1 1 2 4 %>105 0 0 0 0 1 %>105 1 3 4 9 15 %>100 0 1 1 2 3 %>100 6 14 17 27 40 %>95 1 4 5 7 12 %>95 23 36 44 57 70 %>90 6 14 17 24 39 %>90 55 64 74 82 90 %>85 28 39 46 55 75 %>85 84 86 93 96 98 %>80 69 71 79 83 95 %>80 97 97 99 99 100 BALTIMORE_MD BIRMINGHAM_AL BWI 0624 0625 0626 0627 0628 BHM 0624 0625 0626 0627 0628 MAX 84 89 91 90 88 MAX 92 93 96 99 101 %>110 0 0 1 1 0 %>110 1 2 5 8 12 %>105 0 1 5 5 1 %>105 4 8 15 21 28 %>100 0 6 13 13 4 %>100 14 22 33 43 53 %>95 2 18 30 28 15 %>95 34 42 57 67 76 %>90 14 42 52 49 38 %>90 60 66 79 86 91 %>85 45 69 74 70 67 %>85 82 84 92 96 98 %>80 80 89 89 86 88 %>80 94 95 98 99 100 BOSTON_MA BUFFALO_NY BOS 0624 0625 0626 0627 0628 BUF 0624 0625 0626 0627 0628 MAX 80 82 80 86 83 MAX 75 77 76 77 81 %>110 0 0 0 1 0 %>110 0 0 0 0 0 %>105 0 0 0 4 1 %>105 0 0 0 0 0 %>100 0 2 2 9 3 %>100 0 0 0 0 1 %>95 2 6 6 19 9 %>95 0 0 0 0 3 %>90 10 17 15 33 22 %>90 0 2 1 2 10 %>85 27 36 29 50 41 %>85 2 8 7 9 29 %>80 51 56 48 69 62 %>80 13 29 24 28 58 CHARLESTON_SC CHARLESTON_WV CHS 0624 0625 0626 0627 0628 CRW 0624 0625 0626 0627 0628 MAX 101 101 104 107 108 MAX 84 89 87 89 90 %>110 19 20 25 40 42 %>110 0 1 0 1 1 %>105 34 34 44 58 61 %>105 0 3 1 5 4 %>100 53 52 65 75 77 %>100 0 9 6 12 12 %>95 72 70 82 87 89 %>95 3 23 17 26 28 %>90 86 84 93 95 95 %>90 16 44 37 44 52 %>85 94 93 98 98 98 %>85 43 68 62 65 75 %>80 98 97 99 99 99 %>80 74 86 82 81 90 CHARLOTTE_NC CHICAGO_IL CLT 0624 0625 0626 0627 0628 ORD 0624 0625 0626 0627 0628 MAX 90 94 96 97 99 MAX 78 77 78 82 93 %>110 0 2 2 4 4 %>110 0 0 0 0 7 %>105 0 7 8 14 17 %>105 0 0 0 0 14 %>100 2 21 27 35 44 %>100 0 0 0 2 26 %>95 15 44 56 63 75 %>95 0 0 0 7 41 %>90 47 69 82 86 94 %>90 2 1 1 1859 %>85 82 88 96 96 99 %>85 11 8 10 38 74 %>80 97 97 99 99 100 %>80 37 28 36 61 86 CINCINNATI_OH CLEVELAND_OH LUK 0624 0625 0626 0627 0628 CLE 0624 0625 0626 0627 0628 MAX 83 84 84 87 93 MAX 78 80 79 81 88 %>110 0 0 0 0 4 %>110 0 0 0 0 2 %>105 0 0 0 2 11 %>105 0 0 0 1 6 %>100 0 1 1 7 24 %>100 0 1 1 3 13 %>95 1 5 5 18 43 %>95 1 4 3 8 24 %>90 9 19 19 37 63 %>90 4 12 8 18 40 %>85 33 46 46 59 81 %>85 15 27 21 34 58 %>80 68 75 74 79 92 %>80 37 49 43 55 75 COLUMBIA_SC COLUMBUS_OH CAE 0624 0625 0626 0627 0628 TZR 0624 0625 0626 0627 0628 MAX 95 98 100 102 104 MAX 80 83 82 84 91 %>110 2 9 9 14 19 %>110 0 0 0 0 1 %>105 8 22 25 34 43 %>105 0 0 0 0 5 %>100 24 42 51 61 71 %>100 0 0 0 2 14 %>95 52 65 76 85 90 %>95 0 3 2 9 30 %>90 79 84 92 96 98 %>90 4 12 12 23 52 %>85 94 94 98 99 100 %>85 18 36 34 47 74 %>80 99 99 100 100 100 %>80 51 67 65 71 89 DAYTON_OH DETROIT_MI MGY 0624 0625 0626 0627 0628 DET 0624 0625 0626 0627 0628 MAX 81 83 83 85 92 MAX 77 78 79 81 86 %>110 0 0 0 0 3 %>110 0 0 0 0 1 %>105 0 0 0 1 8 %>105 0 0 0 0 2 %>100 0 0 1 4 19 %>100 0 0 0 1 7 %>95 1 3 4 12 36 %>95 0 0 1 4 16 %>90 5 13 14 29 57 %>90 1 2 4 13 32 %>85 24 37 37 51 76 %>85 7 11 17 31 52 %>80 58 67 66 73 89 %>80 27 34 44 55 73 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0624 0625 0626 0627 0628 GRR 0624 0625 0626 0627 0628 MAX 86 86 87 92 98 MAX 76 76 78 82 89 %>110 0 0 0 4 9 %>110 0 0 0 0 2 %>105 0 0 0 10 22 %>105 0 0 0 0 5 %>100 0 0 2 22 42 %>100 0 0 0 1 13 %>95 4 5 11 39 64 %>95 0 0 0 5 26 %>90 20 22 32 59 82 %>90 1 2 1 16 45 %>85 55 56 62 77 93 %>85 5 8 9 36 65 %>80 87 86 86 89 98 %>80 22 27 34 62 81 GREENSBORO_NC HUNTSVILLE_AL GSO 0624 0625 0626 0627 0628 HSV 0624 0625 0626 0627 0628 MAX 87 92 93 95 97 MAX 90 92 94 97 99 %>110 0 1 0 1 2 %>110 0 1 3 6 9 %>105 0 3 2 6 11 %>105 2 5 10 16 23 %>100 0 13 13 21 31 %>100 7 14 24 35 47 %>95 2 33 39 48 61 %>95 23 33 46 59 72 %>90 24 61 72 75 85 %>90 49 58 69 80 89 %>85 71 83 92 92 97 %>85 76 80 87 92 97 %>80 97 95 99 98 100 %>80 92 93 96 98 99 INDIANAPOLIS_IN KNOXVILLE_TN IND 0624 0625 0626 0627 0628 TYS 0624 0625 0626 0627 0628 MAX 79 80 81 85 92 MAX 87 90 91 92 95 %>110 0 0 0 0 2 %>110 0 1 2 3 4 %>105 0 0 0 1 7 %>105 0 4 6 8 12 %>100 0 0 0 3 18 %>100 3 12 15 20 28 %>95 0 0 1 10 36 %>95 12 29 32 38 51 %>90 0 1 6 26 59 %>90 32 52 54 59 74 %>85 6 11 24 49 79 %>85 62 74 75 78 89 %>80 42 46 56 73 91 %>80 85 89 89 9197 LEXINGTON_KY LOUISVILLE_KY LEX 0624 0625 0626 0627 0628 SDF 0624 0625 0626 0627 0628 MAX 83 86 86 88 93 MAX 85 86 87 91 97 %>110 0 0 0 0 2 %>110 0 0 0 2 10 %>105 0 0 0 2 8 %>105 0 0 1 7 21 %>100 0 1 1 8 21 %>100 1 2 3 16 38 %>95 1 5 6 21 41 %>95 5 9 13 33 57 %>90 10 21 24 42 65 %>90 20 28 34 53 75 %>85 36 54 54 66 84 %>85 50 59 61 73 88 %>80 72 84 82 84 94 %>80 80 85 84 87 95 MEMPHIS_TN MIAMI_FL MEM 0624 0625 0626 0627 0628 MIA 0624 0625 0626 0627 0628 MAX 92 93 98 102 104 MAX 104 103 105 106 104 %>110 2 4 11 21 29 %>110 23 20 28 33 23 %>105 7 10 23 37 48 %>105 43 41 49 53 44 %>100 18 24 41 56 67 %>100 65 64 70 73 67 %>95 36 43 61 73 83 %>95 83 83 86 88 84 %>90 59 64 78 87 93 %>90 94 94 95 95 94 %>85 79 82 90 94 97 %>85 98 98 99 99 98 %>80 92 93 96 98 99 %>80 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0624 0625 0626 0627 0628 MOB 0624 0625 0626 0627 0628 MAX 72 71 72 75 83 MAX 103 103 103 104 105 %>110 0 0 0 0 1 %>110 24 26 23 25 28 %>105 0 0 0 0 2 %>105 41 43 42 46 49 %>100 0 0 0 0 5 %>100 61 61 64 68 70 %>95 0 0 0 0 12 %>95 78 77 81 85 86 %>90 0 0 0 2 24 %>90 90 88 92 94 95 %>85 1 1 2 8 40 %>85 96 95 98 98 99 %>80 7 6 9 22 59 %>80 99 98 99 100 100 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0624 0625 0626 0627 0628 NYC 0624 0625 0626 0627 0628 MAX 89 92 93 97 100 MAX 83 84 82 86 85 %>110 0 1 3 10 11 %>110 0 0 0 1 0 %>105 1 4 8 21 27 %>105 0 0 0 2 0 %>100 5 14 21 38 51 %>100 1 1 1 6 2 %>95 18 33 40 59 75 %>95 4 5 5 16 8 %>90 42 58 63 77 91 %>90 15 18 16 33 24 %>85 71 81 82 89 98 %>85 38 42 37 55 50 %>80 90 94 93 96 100 %>80 68 70 62 76 76 NORFOLK_VA ORLANDO_FL ORF 0624 0625 0626 0627 0628 ORL 0624 0625 0626 0627 0628 MAX 83 87 93 94 96 MAX 106 106 106 107 106 %>110 0 0 7 7 12 %>110 31 32 32 34 30 %>105 0 2 13 15 21 %>105 53 54 56 58 55 %>100 1 6 25 26 34 %>100 74 75 78 80 78 %>95 5 16 42 42 50 %>95 89 89 92 93 92 %>90 16 34 61 62 67 %>90 96 96 98 98 98 %>85 36 58 79 79 81 %>85 99 99 100 100 100 %>80 66 82 92 91 90 %>80 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0624 0625 0626 0627 0628 PIT 0624 0625 0626 0627 0628 MAX 84 86 87 87 87 MAX 78 82 82 82 86 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 1 0 %>105 0 0 0 0 1 %>100 0 0 3 4 2 %>100 0 0 0 1 3 %>95 0 5 11 14 10 %>95 0 2 2 3 12 %>90 7 23 32 35 30 %>90 1 9 8 13 29 %>85 38 58 60 62 60 %>85 7 30 29 33 53 %>80 81 87 84 84 85 %>80 35 62 60 59 77 PORTLAND_ME PROVIDENCE_RI PWM 0624 0625 0626 0627 0628 PVD 0624 0625 0626 0627 0628MAX 78 76 73 81 80 MAX 82 82 79 86 84 %>110 0 0 0 1 0 %>110 0 0 0 1 0 %>105 0 0 0 2 1 %>105 0 0 0 2 0 %>100 1 1 0 5 3 %>100 0 0 0 6 2 %>95 4 2 0 11 8 %>95 2 2 1 16 9 %>90 11 6 2 21 17 %>90 10 11 6 32 23 %>85 24 16 7 34 32 %>85 32 31 19 53 47 %>80 42 31 19 51 49 %>80 63 61 44 73 72 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0624 0625 0626 0627 0628 RIC 0624 0625 0626 0627 0628 MAX 91 95 98 100 101 MAX 88 91 95 96 98 %>110 0 2 6 11 14 %>110 0 0 4 5 10 %>105 1 9 18 26 33 %>105 0 1 12 15 22 %>100 5 24 39 48 57 %>100 1 8 28 31 40 %>95 23 48 64 71 78 %>95 9 28 52 53 61 %>90 56 73 84 87 92 %>90 34 59 75 74 78 %>85 85 90 95 96 98 %>85 71 85 90 89 90 %>80 98 97 99 99 100 %>80 93 97 97 96 97 SAVANNAH_GA TALLAHASSEE_FL SAV 0624 0625 0626 0627 0628 TLH 0624 0625 0626 0627 0628 MAX 103 102 104 107 108 MAX 105 105 106 108 109 %>110 21 22 26 35 41 %>110 33 32 35 42 46 %>105 40 40 47 57 62 %>105 51 49 54 60 63 %>100 62 60 69 77 81 %>100 69 66 72 75 78 %>95 81 77 86 90 92 %>95 83 80 86 87 89 %>90 92 90 95 97 97 %>90 92 90 94 94 95 %>85 98 96 99 99 99 %>85 97 96 98 98 98 %>80 99 99 100 100 100 %>80 99 99 99 99 99 TAMPA_FL WASHINGTON_DC TPA 0624 0625 0626 0627 0628 DCA 0624 0625 0626 0627 0628 MAX 104 103 104 105 105 MAX 84 89 91 90 89 %>110 17 16 18 21 28 %>110 0 0 0 0 0 %>105 40 37 41 46 51 %>105 0 0 3 2 1 %>100 70 66 69 74 75 %>100 0 3 11 9 6 %>95 90 88 90 92 90 %>95 0 15 29 24 20 %>90 98 97 98 98 97 %>90 7 43 56 49 45 %>85 100 99 100 100 99 %>85 42 75 81 74 71 %>80 100 100 100 100 100 %>80 86 94 94 91 90 URL IS WWW.WPC.NCEP.NOAA.GOV $$