


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
076 FMUS23 KWNH 170745 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0743 UTC THU JUL 17 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM THU JUL 17 2025 AKRON-CANTON_OH ALBANY_NY CAK 0720 0721 0722 0723 0724 ALB 0720 0721 0722 0723 0724 MIN 71 62 65 72 73 MIN 68 59 57 63 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 0 0 %>80 0 0 0 5 10 %>80 0 0 0 0 1 %>75 4 0 2 26 38 %>75 1 0 0 2 7 %>70 58 1 15 61 75 %>70 23 0 0 11 34 ASHEVILLE_NC ATLANTA_GA AVL 0720 0721 0722 0723 0724 ATL 0720 0721 0722 0723 0724 MIN 69 70 69 69 69 MIN 77 77 77 76 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 0 0 0 0 0 %>85 0 0 0 0 0 %>85 3 4 4 3 5 %>80 0 0 0 0 0 %>80 25 28 27 22 26 %>75 3 4 3 4 6 %>75 71 71 70 62 65 %>70 37 44 37 35 38 %>70 96 95 95 92 92 BALTIMORE_MD BIRMINGHAM_AL BWI 0720 0721 0722 0723 0724 BHM 0720 0721 0722 0723 0724 MIN 76 71 69 72 75 MIN 76 76 76 77 76 %>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 1 %>90 0 0 1 1 2 %>85 0 0 0 0 7 %>85 2 4 6 8 9 %>80 9 1 1 5 22 %>80 18 20 25 29 29 %>75 59 14 10 26 49 %>75 57 54 58 60 59 %>70 95 64 42 63 76 %>70 90 85 86 86 85 BOSTON_MA BUFFALO_NY BOS 0720 0721 0722 0723 0724 BUF 0720 0721 0722 0723 0724 MIN 69 63 60 65 69 MIN 67 60 61 70 72 %>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 1 %>80 0 0 0 0 1 %>80 0 0 0 5 6 %>75 2 0 0 1 8 %>75 1 0 0 20 28 %>70 38 5 0 9 39 %>70 19 0 5 49 63 CHARLESTON_SC CHARLESTON_WV CHS 0720 0721 0722 0723 0724 CRW 0720 0721 0722 0723 0724 MIN 83 82 79 79 79 MIN 73 71 70 73 74 %>100 0 1 1 0 0 %>100 0 0 0 0 0 %>95 3 4 3 1 1 %>95 0 0 0 0 0 %>90 14 15 9 6 6 %>90 0 0 0 0 0 %>85 39 36 24 19 19 %>85 0 0 0 0 0 %>80 68 61 46 43 43 %>80 0 0 0 3 8 %>75 87 81 69 71 70 %>75 16 9 9 29 41 %>70 96 93 87 90 89 %>70 92 62 51 76 84 CHARLOTTE_NC CHICAGO_IL CLT 0720 0721 0722 0723 0724 ORD 0720 0721 0722 0723 0724 MIN 76 77 75 74 75 MIN 71 69 74 76 77 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 0 1 %>90 1 2 0 0 2 %>90 0 0 0 2 5 %>85 7 10 1 3 8 %>85 0 0 2 10 15 %>80 26 31 12 16 24 %>80 0 0 11 29 34 %>75 56 61 46 45 51 %>75 6 6 39 57 60 %>70 83 86 84 78 77 %>70 57 39 76 82 81 CINCINNATI_OH CLEVELAND_OH LUK 0720 0721 0722 0723 0724 CLE 0720 0721 0722 0723 0724 MIN 74 72 72 76 77 MIN 72 67 68 74 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 1 %>90 0 0 0 0 2 %>85 0 0 0 3 6 %>85 0 0 0 2 10 %>80 2 1 5 20 28 %>80 0 0 2 14 31 %>75 41 18 26 59 64 %>75 15 2 10 43 61 %>70 95 68 66 90 91 %>70 79 17 36 77 86 COLUMBIA_SC COLUMBUS_OH CAE 0720 0721 0722 0723 0724 TZR 0720 0721 0722 0723 0724 MIN 79 79 77 76 76 MIN 73 67 69 75 76 %>100 0 1 0 0 0 %>100 0 0 0 0 0 %>95 2 2 0 0 0 %>95 0 0 0 0 0 %>90 7 9 1 1 2 %>90 0 0 0 0 0 %>85 20 22 8 6 10 %>85 0 0 0 2 4 %>80 42 44 28 24 30 %>80 0 0 2 14 21 %>75 67 68 60 55 59 %>75 22 2 15 47 58 %>70 86 86 86 83 84 %>70 94 24 46 83 89 DAYTON_OH DETROIT_MI MGY 0720 0721 0722 0723 0724 DET 0720 0721 0722 0723 0724 MIN 74 70 71 76 77 MIN 68 64 68 73 76 %>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 2 %>85 0 0 0 2 5 %>85 0 0 0 3 10 %>80 0 1 5 19 27 %>80 0 0 1 15 28 %>75 35 11 24 58 66 %>75 2 0 10 40 54 %>70 98 51 61 90 92 %>70 32 4 39 70 78 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0720 0721 0722 0723 0724 GRR 0720 0721 0722 0723 0724 MIN 78 77 78 79 79 MIN 64 60 66 72 73 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 0 0 0 0 0 %>90 0 0 1 3 5 %>90 0 0 0 0 1 %>85 4 0 8 15 19 %>85 0 0 0 1 5 %>80 31 15 36 45 46 %>80 0 0 1 6 16 %>75 77 73 75 79 74 %>75 0 0 7 27 39 %>70 97 99 96 95 92 %>70 4 1 26 62 66 GREENSBORO_NC HUNTSVILLE_AL GSO 0720 0721 0722 0723 0724 HSV 0720 0721 0722 0723 0724 MIN 75 75 72 72 73 MIN 76 76 76 77 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 0 0 0 0 0 %>85 0 1 0 1 3 %>85 1 1 2 4 5 %>80 9 13 2 6 14 %>80 14 16 20 26 28 %>75 47 49 24 29 39 %>75 62 61 63 68 68 %>70 89 87 72 66 70 %>70 96 94 93 95 94 INDIANAPOLIS_IN KNOXVILLE_TN IND 0720 0721 0722 0723 0724 TYS 0720 0721 0722 0723 0724 MIN 75 72 74 77 78 MIN 75 75 75 75 76 %>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 1 %>90 0 0 0 0 0 %>85 0 0 1 6 9 %>85 0 0 0 0 0 %>80 1 2 11 29 34 %>80 5 1 1 6 10 %>75 44 24 43 66 68 %>75 50 51 42 53 57 %>70 97 75 81 92 92 %>70 95 99 98 96 95 LEXINGTON_KY LOUISVILLE_KY LEX 0720 0721 0722 0723 0724 SDF 0720 0721 0722 0723 0724 MIN 74 73 73 75 76 MIN 77 75 76 78 78 %>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 2 %>85 0 0 0 2 5 %>85 0 0 1 7 11 %>80 3 1 4 17 22 %>80 9 5 15 35 38 %>75 40 27 30 54 57 %>75 76 55 61 74 74 %>70 92 85 75 87 86 %>70 99 97 94 95 94 MEMPHIS_TN MIAMI_FL MEM 0720 0721 0722 0723 0724 MIA 0720 0721 0722 0723 0724 MIN 78 79 80 81 82 MIN 84 83 83 83 84 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 2 1 1 1 3 %>90 1 3 2 4 8 %>90 18 13 11 13 20 %>85 7 15 17 25 31 %>85 51 48 44 42 49 %>80 34 43 53 62 64 %>80 72 68 67 66 72 %>75 74 76 86 89 88 %>75 90 88 87 85 90 %>70 96 94 98 98 97 %>70 98 97 97 96 98 MILWAUKEE_WI MOBILE_AL MKE 0720 0721 0722 0723 0724 MOB 0720 0721 0722 0723 0724 MIN 67 67 71 73 74 MIN 78 78 78 78 78 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 1 2 2 2 %>90 0 0 0 0 0 %>90 6 6 7 7 7 %>85 0 0 0 1 3 %>85 19 18 21 19 19 %>80 0 0 1 8 15 %>80 40 38 43 41 39 %>75 0 1 16 38 44 %>75 66 63 67 65 63 %>70 16 13 63 77 76 %>70 86 84 85 84 83 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0720 0721 0722 0723 0724 NYC 0720 0721 0722 0723 0724 MIN 76 77 77 78 78 MIN 75 69 67 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 1 3 %>90 0 0 0 0 0 %>85 1 2 5 10 13 %>85 0 0 0 0 2 %>80 18 21 26 37 39 %>80 5 0 0 2 13 %>75 65 66 67 72 71 %>75 48 5 4 16 41 %>70 95 95 94 93 92 %>70 94 39 27 52 75 NORFOLK_VA ORLANDO_FL ORF 0720 0721 0722 0723 0724 ORL 0720 0721 0722 0723 0724 MIN 80 79 77 77 78 MIN 78 78 79 78 78 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 0 0 0 0 0 %>90 4 2 0 0 3 %>90 0 1 2 2 1 %>85 19 14 1 3 14 %>85 5 9 11 10 7 %>80 49 43 18 21 37 %>80 32 37 40 35 33 %>75 79 76 67 64 65 %>75 77 76 76 69 74 %>70 95 94 96 94 87 %>70 97 96 95 92 96 PHILADELPHIA_PA PITTSBURGH_PA PHL 0720 0721 0722 0723 0724 PIT 0720 0721 0722 0723 0724 MIN 74 69 65 69 73 MIN 71 64 65 71 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 0 0 %>85 0 0 0 0 2 %>85 0 0 0 0 0 %>80 3 0 0 1 11 %>80 0 0 0 3 5 %>75 41 5 2 9 34 %>75 5 0 2 19 30 %>70 91 36 15 39 66 %>70 75 3 15 58 73 PORTLAND_ME PROVIDENCE_RI PWM 0720 0721 0722 0723 0724 PVD 0720 0721 0722 0723 0724 MIN 63 58 57 62 65 MIN 70 63 60 65 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 0 %>80 0 0 0 0 0 %>80 0 0 0 0 1 %>75 0 0 0 0 1 %>75 3 0 0 1 11 %>70 6 1 0 2 12 %>70 53 6 1 12 42 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0720 0721 0722 0723 0724 RIC 0720 0721 0722 0723 0724 MIN 77 77 74 73 75 MIN 76 74 70 71 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 1 0 0 1 %>90 0 0 0 0 1 %>85 4 7 0 2 7 %>85 1 0 0 0 6 %>80 26 30 7 11 23 %>80 15 7 1 5 20 %>75 68 65 38 37 50 %>75 59 38 14 24 43 %>70 94 90 80 72 77 %>70 93 80 53 60 70 SAVANNAH_GA TALLAHASSEE_FL SAV 0720 0721 0722 0723 0724 TLH 0720 0721 0722 0723 0724 MIN 81 81 79 79 78 MIN 78 80 80 79 78 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 1 2 2 1 1 %>95 0 1 1 0 0 %>90 7 10 7 4 4 %>90 1 4 4 2 2 %>85 26 28 21 16 15 %>85 8 18 20 13 12 %>80 55 55 45 41 40 %>80 36 50 51 42 38 %>75 81 78 71 71 69 %>75 76 82 81 76 73 %>70 94 92 89 91 90 %>70 96 96 96 95 93 TAMPA_FL WASHINGTON_DC TPA 0720 0721 0722 0723 0724 DCA 0720 0721 0722 0723 0724 MIN 82 83 83 81 82 MIN 76 71 69 71 75 %>100 0 0 1 1 0 %>100 0 0 0 0 0 %>95 1 2 3 4 2 %>95 0 0 0 0 0 %>90 9 13 15 12 11 %>90 0 0 0 0 2 %>85 32 43 41 30 35 %>85 0 0 0 0 7 %>80 64 72 67 54 66 %>80 10 1 1 5 23 %>75 86 88 85 76 86 %>75 57 16 8 24 48 %>70 96 96 95 90 96 %>70 95 65 42 60 74 URL IS WWW.WPC.NCEP.NOAA.GOV $$