


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
333 FMUS23 KWNH 151609 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1607 UTC SUN JUN 15 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN JUN 15 2025 AKRON-CANTON_OH ALBANY_NY CAK 0618 0619 0620 0621 0622 ALB 0618 0619 0620 0621 0622 MEAN 79 74 69 74 83 MEAN 75 80 71 69 76 %>100 0 0 0 0 1 %>100 0 0 0 0 0 %>95 0 0 0 0 5 %>95 0 1 0 0 1 %>90 0 0 0 1 18 %>90 0 4 0 0 4 %>85 6 0 0 6 42 %>85 3 18 0 1 13 %>80 40 8 2 21 68 %>80 18 47 5 7 32 %>75 86 44 14 46 88 %>75 49 78 22 22 58 %>70 99 86 43 73 97 %>70 82 95 55 47 81 ASHEVILLE_NC ATLANTA_GA AVL 0618 0619 0620 0621 0622 ATL 0618 0619 0620 0621 0622 MEAN 78 78 74 75 78 MEAN 85 85 84 84 87 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 1 0 0 3 %>90 0 0 0 0 1 %>90 9 14 2 5 24 %>85 3 2 0 1 7 %>85 47 53 35 41 70 %>80 24 23 4 12 35 %>80 88 89 88 89 96 %>75 75 78 40 49 76 %>75 99 99 100 100 100 %>70 97 97 89 87 97 %>70 100 100 100 100 100 BALTIMORE_MD BIRMINGHAM_AL BWI 0618 0619 0620 0621 0622 BHM 0618 0619 0620 0621 0622 MEAN 85 86 78 78 86 MEAN 85 86 86 87 88 %>100 0 0 0 0 2 %>100 0 0 0 0 0 %>95 3 3 0 0 9 %>95 1 3 1 3 5 %>90 16 21 0 1 27 %>90 13 19 13 23 35 %>85 48 62 6 9 54 %>85 49 57 56 68 80 %>80 82 92 33 33 79 %>80 87 89 92 95 98 %>75 97 99 77 69 93 %>75 99 99 100 100 100 %>70 100 100 97 92 99 %>70 100 100 100 100 100 BOSTON_MA BUFFALO_NY BOS 0618 0619 0620 0621 0622 BUF 0618 0619 0620 0621 0622 MEAN 70 80 74 70 74 MEAN 76 73 66 70 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 1 0 0 2 %>90 0 0 0 0 3 %>85 0 13 3 0 8 %>85 1 1 0 2 12 %>80 3 48 14 4 22 %>80 12 8 1 9 32 %>75 19 83 40 18 45 %>75 57 33 5 25 60 %>70 53 97 72 49 71 %>70 93 70 23 50 84 CHARLESTON_SC CHARLESTON_WV CHS 0618 0619 0620 0621 0622 CRW 0618 0619 0620 0621 0622 MEAN 93 93 92 90 90 MEAN 83 80 75 79 86 %>100 4 8 5 3 3 %>100 0 0 0 0 2 %>95 28 36 26 17 17 %>95 1 0 0 0 9 %>90 75 76 63 49 51 %>90 9 3 0 3 27 %>85 97 96 91 83 85 %>85 34 18 1 14 55 %>80 100 100 99 97 98 %>80 71 51 11 40 81 %>75 100 100 100 100 100 %>75 93 84 51 72 94 %>70 100 100 100 100 100 %>70 99 97 90 92 99 CHARLOTTE_NC CHICAGO_IL CLT 0618 0619 0620 0621 0622 ORD 0618 0619 0620 0621 0622 MEAN 88 88 83 83 87 MEAN 76 71 73 83 85 %>100 0 0 0 0 0 %>100 0 0 0 1 1 %>95 4 5 0 0 4 %>95 0 0 0 3 6 %>90 28 31 2 6 25 %>90 1 0 0 14 22 %>85 74 76 25 31 64 %>85 5 1 3 37 49 %>80 97 98 78 73 92 %>80 23 6 14 66 77 %>75 100 100 99 95 99 %>75 57 24 40 88 94 %>70 100 100 100 100 100 %>70 87 56 71 97 99 CINCINNATI_OH CLEVELAND_OH LUK 0618 0619 0620 0621 0622 CLE 0618 0619 0620 0621 0622 MEAN 83 79 75 80 87 MEAN 79 74 70 76 83 %>100 0 0 0 0 1 %>100 0 0 0 0 1 %>95 0 0 0 1 9 %>95 0 0 0 0 5 %>90 5 0 0 7 29 %>90 1 0 0 2 16 %>85 32 7 2 25 61 %>85 10 1 0 9 39 %>80 75 38 17 53 87 %>80 43 9 4 27 66 %>75 96 82 54 80 97 %>75 82 41 18 54 86 %>70 100 98 88 94 100 %>70 98 81 48 79 96 COLUMBIA_SC COLUMBUS_OH CAE 0618 0619 0620 0621 0622 TZR 0618 0619 0620 0621 0622 MEAN 90 90 88 86 89 MEAN 82 77 73 78 85 %>100 1 1 0 0 1 %>100 0 0 0 0 1 %>95 11 12 3 3 11 %>95 0 0 0 0 7 %>90 48 51 27 20 40 %>90 2 0 0 3 24 %>85 88 89 75 62 77 %>85 21 4 1 14 53 %>80 99 99 97 93 96 %>80 64 28 8 37 80 %>75 100 100 100 100 100 %>75 94 72 35 67 94 %>70 100 100 100 100 100 %>70 100 96 73 88 99 DAYTON_OH DETROIT_MI MGY 0618 0619 0620 0621 0622 DET 0618 0619 0620 0621 0622 MEAN 83 78 75 80 87 MEAN 78 73 70 77 85 %>100 0 0 0 0 2 %>100 0 0 0 0 2 %>95 1 0 0 2 10 %>95 0 0 0 1 8 %>90 8 0 0 8 31 %>90 1 0 0 5 24 %>85 33 5 2 25 62 %>85 8 1 1 16 48 %>80 71 32 14 52 87 %>80 37 8 5 37 73 %>75 94 76 48 79 97 %>75 76 34 20 62 90 %>70 99 97 84 94 100 %>70 96 72 51 83 97 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0618 0619 0620 0621 0622 GRR 0618 0619 0620 0621 0622 MEAN 85 81 79 86 89 MEAN 75 69 69 78 84 %>100 0 0 0 1 1 %>100 0 0 0 1 2 %>95 1 0 0 6 11 %>95 0 0 0 2 7 %>90 11 1 2 25 43 %>90 0 0 0 9 21 %>85 48 14 12 59 80 %>85 2 0 1 22 44 %>80 87 59 44 87 97 %>80 15 2 5 43 70 %>75 99 93 81 98 100 %>75 48 13 19 66 88 %>70 100 100 97 100 100 %>70 82 43 46 84 97 GREENSBORO_NC HUNTSVILLE_AL GSO 0618 0619 0620 0621 0622 HSV 0618 0619 0620 0621 0622 MEAN 86 86 80 80 85 MEAN 85 84 84 86 89 %>100 0 0 0 0 0 %>100 0 0 0 1 2 %>95 1 1 0 0 3 %>95 2 2 2 5 13 %>90 13 14 0 1 16 %>90 17 13 12 24 42 %>85 57 62 7 13 48 %>85 53 45 43 60 77 %>80 93 95 49 49 81 %>80 87 81 80 89 95 %>75 100 100 93 85 97 %>75 98 97 97 98 100 %>70 100 100 100 98 100 %>70 100 100 100 100 100 INDIANAPOLIS_IN KNOXVILLE_TN IND 0618 0619 0620 0621 0622 TYS 0618 0619 0620 0621 0622 MEAN 82 77 75 83 87 MEAN 83 81 79 81 85 %>100 0 0 0 1 1 %>100 0 0 0 0 0 %>95 0 0 0 3 9 %>95 1 0 0 1 4 %>90 5 0 0 14 30 %>90 9 3 1 5 19 %>85 28 2 2 37 62 %>85 33 20 10 24 50 %>80 69 22 16 66 88 %>80 69 57 43 58 82 %>75 94 66 51 88 98 %>75 92 88 83 87 96 %>70 100 95 85 97 100 %>70 99 99 98 98 100 LEXINGTON_KY LOUISVILLE_KY LEX 0618 0619 0620 0621 0622 SDF 0618 0619 0620 0621 0622 MEAN 82 79 75 79 85 MEAN 84 80 77 83 88 %>100 0 0 0 0 0 %>100 0 0 0 0 1 %>95 0 0 0 0 2 %>95 1 0 0 3 8 %>90 1 0 0 3 15 %>90 7 1 0 14 32 %>85 18 5 1 16 50 %>85 38 11 6 38 70 %>80 69 38 14 46 85 %>80 81 52 29 70 93 %>75 97 84 52 79 98 %>75 98 91 69 91 99 %>70 100 99 88 95 100 %>70 100 100 94 98 100 MEMPHIS_TN MIAMI_FL MEM 0618 0619 0620 0621 0622 MIA 0618 0619 0620 0621 0622 MEAN 87 86 88 91 92 MEAN 92 92 90 90 91 %>100 0 1 1 6 5 %>100 3 2 1 1 2 %>95 4 7 7 25 27 %>95 20 18 11 11 18 %>90 27 27 32 59 65 %>90 65 65 52 52 62 %>85 70 60 70 87 91 %>85 96 96 92 93 95 %>80 95 87 93 98 99 %>80 100 100 100 100 100 %>75 100 98 99 100 100 %>75 100 100 100 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0618 0619 0620 0621 0622 MOB 0618 0619 0620 0621 0622 MEAN 69 67 69 77 79 MEAN 89 91 92 91 91 %>100 0 0 0 0 0 %>100 1 4 6 4 5 %>95 0 0 0 1 2 %>95 12 21 27 22 24 %>90 0 0 0 5 7 %>90 44 56 61 59 61 %>85 0 0 1 14 20 %>85 81 87 88 89 89 %>80 0 1 6 32 43 %>80 97 98 98 99 99 %>75 6 6 18 57 69 %>75 100 100 100 100 100 %>70 36 27 41 80 89 %>70 100 100 100 100 100 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0618 0619 0620 0621 0622 NYC 0618 0619 0620 0621 0622 MEAN 86 84 82 87 90 MEAN 75 83 77 74 81 %>100 0 0 0 1 2 %>100 0 0 0 0 0 %>95 1 3 0 6 15 %>95 0 2 0 0 2 %>90 13 15 3 26 48 %>90 0 11 0 0 8 %>85 57 44 23 61 82 %>85 2 38 4 2 25 %>80 93 77 65 88 97 %>80 13 73 23 13 53 %>75 100 95 93 98 100 %>75 46 93 63 44 79 %>70 100 99 99 100 100 %>70 83 99 92 79 94 NORFOLK_VA ORLANDO_FL ORF 0618 0619 0620 0621 0622 ORL 0618 0619 0620 0621 0622 MEAN 90 92 83 81 86 MEAN 91 90 91 91 90 %>100 4 8 0 0 1 %>100 0 0 1 1 0 %>95 19 30 1 0 7 %>95 10 10 16 15 7 %>90 49 65 8 3 26 %>90 58 53 59 57 45 %>85 81 90 36 19 56 %>85 95 93 92 92 89 %>80 97 99 75 57 84 %>80 100 100 100 100 99 %>75 100 100 96 89 96 %>75 100 100 100 100 100 %>70 100 100 100 99 100 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0618 0619 0620 0621 0622 PIT 0618 0619 0620 0621 0622 MEAN 78 85 77 75 83 MEAN 79 76 70 74 83 %>100 0 0 0 0 1 %>100 0 0 0 0 1 %>95 0 1 0 0 5 %>95 0 0 0 0 4 %>90 0 14 0 0 17 %>90 0 0 0 0 16 %>85 5 54 3 4 40 %>85 5 3 0 4 38 %>80 33 90 22 20 67 %>80 38 20 2 16 66 %>75 80 99 65 52 87 %>75 86 60 15 41 87 %>70 98 100 94 82 97 %>70 99 92 48 71 97 PORTLAND_ME PROVIDENCE_RI PWM 0618 0619 0620 0621 0622 PVD 0618 0619 0620 0621 0622 MEAN 65 73 70 65 69 MEAN 70 79 74 70 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 1 %>85 0 2 0 0 1 %>85 0 8 1 0 6 %>80 0 11 2 0 6 %>80 1 39 11 3 20 %>75 1 37 14 2 19 %>75 10 80 43 17 44 %>70 12 72 46 15 44 %>70 46 97 81 51 72 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0618 0619 0620 0621 0622 RIC 0618 0619 0620 0621 0622 MEAN 90 91 84 83 88 MEAN 89 90 82 80 87 %>100 3 4 0 0 2 %>100 1 3 0 0 3 %>95 19 21 0 1 12 %>95 11 17 0 0 13 %>90 53 57 7 7 36 %>90 41 51 2 2 34 %>85 85 88 40 34 68 %>85 78 85 21 16 62 %>80 98 99 84 74 90 %>80 96 98 66 51 85 %>75 100 100 99 96 98 %>75 100 100 95 85 96 %>70 100 100 100 100 100 %>70 100 100 100 98 99 SAVANNAH_GA TALLAHASSEE_FL SAV 0618 0619 0620 0621 0622 TLH 0618 0619 0620 0621 0622 MEAN 92 92 91 91 90 MEAN 89 91 92 91 92 %>100 3 6 4 4 3 %>100 0 3 7 5 6 %>95 23 29 22 21 17 %>95 4 19 28 24 26 %>90 66 67 60 54 52 %>90 38 56 62 61 62 %>85 94 93 90 85 85 %>85 88 88 88 90 89 %>80 100 99 99 98 98 %>80 100 99 98 99 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 TAMPA_FL WASHINGTON_DC TPA 0618 0619 0620 0621 0622 DCA 0618 0619 0620 0621 0622 MEAN 93 92 92 93 91 MEAN 85 87 78 78 86 %>100 5 3 5 8 3 %>100 0 0 0 0 2 %>95 30 22 28 32 19 %>95 2 3 0 0 10 %>90 72 65 70 68 58 %>90 16 24 0 1 28 %>85 96 94 95 92 90 %>85 53 65 6 10 56 %>80 100 100 100 99 99 %>80 88 93 35 36 81 %>75 100 100 100 100 100 %>75 99 100 78 71 94 %>70 100 100 100 100 100 %>70 100 100 97 93 99 URL IS WWW.WPC.NCEP.NOAA.GOV $$