


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
873 FMUS23 KWNH 140742 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0740 UTC MON JUL 14 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM MON JUL 14 2025 AKRON-CANTON_OH ALBANY_NY CAK 0717 0718 0719 0720 0721 ALB 0717 0718 0719 0720 0721 MIN 73 72 67 68 68 MIN 74 73 67 65 67 %>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 3 1 1 1 %>80 0 6 1 0 0 %>75 17 23 6 10 10 %>75 31 35 6 1 2 %>70 90 68 28 36 36 %>70 95 79 28 14 21 ASHEVILLE_NC ATLANTA_GA AVL 0717 0718 0719 0720 0721 ATL 0717 0718 0719 0720 0721 MIN 69 68 69 68 68 MIN 76 75 75 76 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 0 %>85 0 0 0 0 0 %>85 0 0 1 2 2 %>80 0 0 0 0 0 %>80 8 9 13 19 18 %>75 1 2 2 3 3 %>75 59 52 55 64 63 %>70 31 29 32 31 33 %>70 97 92 91 94 94 BALTIMORE_MD BIRMINGHAM_AL BWI 0717 0718 0719 0720 0721 BHM 0717 0718 0719 0720 0721 MIN 77 79 77 75 74 MIN 76 75 75 75 75 %>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 3 1 0 0 %>90 0 0 0 0 0 %>85 5 15 6 2 1 %>85 2 1 2 2 2 %>80 29 45 26 18 12 %>80 17 13 14 15 17 %>75 70 77 61 54 46 %>75 54 51 48 50 53 %>70 94 94 88 87 82 %>70 88 88 84 85 87 BOSTON_MA BUFFALO_NY BOS 0717 0718 0719 0720 0721 BUF 0717 0718 0719 0720 0721 MIN 75 75 70 67 68 MIN 74 69 65 66 67 %>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 0 0 %>85 0 0 0 0 0 %>80 3 12 4 0 0 %>80 1 3 0 0 0 %>75 44 49 18 2 5 %>75 31 16 4 2 3 %>70 95 88 48 24 34 %>70 89 45 20 19 23 CHARLESTON_SC CHARLESTON_WV CHS 0717 0718 0719 0720 0721 CRW 0717 0718 0719 0720 0721 MIN 80 80 80 81 81 MIN 73 74 73 72 72 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 1 2 2 2 %>95 0 0 0 0 0 %>90 4 6 8 10 8 %>90 0 0 0 0 0 %>85 20 22 24 28 26 %>85 0 0 0 0 0 %>80 51 51 50 55 54 %>80 0 1 0 1 2 %>75 83 80 75 79 79 %>75 25 35 22 19 20 %>70 97 96 91 93 94 %>70 92 93 86 69 70 CHARLOTTE_NC CHICAGO_IL CLT 0717 0718 0719 0720 0721 ORD 0717 0718 0719 0720 0721 MIN 75 76 76 76 76 MIN 73 67 66 71 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 1 1 %>90 0 0 0 0 0 %>85 0 3 4 5 6 %>85 0 0 0 0 1 %>80 9 20 21 23 24 %>80 5 3 0 2 4 %>75 54 58 57 57 54 %>75 33 11 3 18 20 %>70 93 89 87 86 82 %>70 76 31 20 60 51 CINCINNATI_OH CLEVELAND_OH LUK 0717 0718 0719 0720 0721 CLE 0717 0718 0719 0720 0721 MIN 75 75 73 73 72 MIN 75 73 70 71 71 %>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 1 5 3 7 5 %>80 5 6 1 4 3 %>75 54 47 31 34 29 %>75 55 35 12 22 21 %>70 99 93 81 73 68 %>70 97 79 47 60 60 COLUMBIA_SC COLUMBUS_OH CAE 0717 0718 0719 0720 0721 TZR 0717 0718 0719 0720 0721 MIN 76 76 77 78 77 MIN 75 74 71 71 71 %>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 2 3 2 %>90 0 0 0 0 0 %>85 1 5 10 12 11 %>85 0 0 0 0 0 %>80 13 25 32 35 34 %>80 0 4 2 5 4 %>75 59 60 64 65 65 %>75 43 39 19 23 21 %>70 94 88 88 88 88 %>70 100 86 62 59 57 DAYTON_OH DETROIT_MI MGY 0717 0718 0719 0720 0721 DET 0717 0718 0719 0720 0721 MIN 75 74 72 72 72 MIN 74 69 64 69 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 1 0 0 0 %>80 0 4 3 6 5 %>80 7 4 0 1 2 %>75 55 41 24 29 26 %>75 46 17 3 10 12 %>70 100 90 70 68 64 %>70 88 42 16 42 37 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0717 0718 0719 0720 0721 GRR 0717 0718 0719 0720 0721 MIN 77 76 75 76 76 MIN 71 64 61 66 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 1 1 %>90 0 0 0 0 0 %>85 1 2 2 5 5 %>85 0 0 0 0 0 %>80 21 20 16 23 22 %>80 1 1 0 0 0 %>75 76 64 54 58 53 %>75 15 5 0 3 4 %>70 99 94 89 87 83 %>70 57 18 4 21 17 GREENSBORO_NC HUNTSVILLE_AL GSO 0717 0718 0719 0720 0721 HSV 0717 0718 0719 0720 0721 MIN 75 75 75 74 74 MIN 76 76 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 0 0 %>90 0 0 0 0 0 %>85 0 1 0 1 1 %>85 1 1 1 1 1 %>80 3 11 9 9 10 %>80 15 14 13 12 14 %>75 46 55 52 43 42 %>75 62 59 55 54 58 %>70 95 93 92 84 81 %>70 95 94 91 92 93 INDIANAPOLIS_IN KNOXVILLE_TN IND 0717 0718 0719 0720 0721 TYS 0717 0718 0719 0720 0721 MIN 76 73 71 73 72 MIN 75 75 75 75 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 0 %>85 0 0 0 1 1 %>85 0 0 0 0 0 %>80 2 6 4 7 6 %>80 2 3 3 3 3 %>75 64 35 21 32 28 %>75 44 45 44 43 41 %>70 99 77 55 70 65 %>70 97 96 95 95 93 LEXINGTON_KY LOUISVILLE_KY LEX 0717 0718 0719 0720 0721 SDF 0717 0718 0719 0720 0721 MIN 74 74 73 73 73 MIN 77 76 75 75 75 %>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 1 2 2 %>80 3 6 4 7 7 %>80 5 12 12 15 14 %>75 40 42 33 34 31 %>75 79 67 55 53 49 %>70 92 87 82 74 71 %>70 100 97 92 88 84 MEMPHIS_TN MIAMI_FL MEM 0717 0718 0719 0720 0721 MIA 0717 0718 0719 0720 0721 MIN 79 79 78 78 78 MIN 86 89 88 85 84 %>100 0 0 0 0 0 %>100 0 2 1 0 0 %>95 0 0 0 0 0 %>95 4 13 10 3 1 %>90 0 0 0 1 1 %>90 27 44 38 21 12 %>85 6 7 6 8 10 %>85 56 80 68 53 47 %>80 37 37 35 33 36 %>80 82 95 90 80 74 %>75 82 80 77 70 72 %>75 96 98 98 96 94 %>70 98 98 97 93 94 %>70 100 100 100 100 99 MILWAUKEE_WI MOBILE_AL MKE 0717 0718 0719 0720 0721 MOB 0717 0718 0719 0720 0721 MIN 69 63 63 69 67 MIN 76 77 77 77 77 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 1 1 1 1 %>90 0 0 0 0 0 %>90 2 3 3 3 5 %>85 0 0 0 0 0 %>85 10 11 12 13 15 %>80 1 0 0 0 0 %>80 29 31 32 32 36 %>75 11 1 0 4 5 %>75 58 61 60 59 62 %>70 42 9 5 35 30 %>70 83 85 84 82 83 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0717 0718 0719 0720 0721 NYC 0717 0718 0719 0720 0721 MIN 76 77 76 76 76 MIN 77 79 75 74 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 2 1 0 0 %>85 1 2 2 2 4 %>85 2 11 5 1 0 %>80 17 20 17 17 21 %>80 23 39 21 9 7 %>75 64 65 58 56 59 %>75 73 75 52 41 38 %>70 95 94 91 89 89 %>70 97 95 81 80 80 NORFOLK_VA ORLANDO_FL ORF 0717 0718 0719 0720 0721 ORL 0717 0718 0719 0720 0721 MIN 80 84 82 79 80 MIN 78 78 78 78 78 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 1 1 0 1 %>95 0 0 0 0 0 %>90 1 9 10 4 5 %>90 0 0 0 0 0 %>85 13 44 34 18 20 %>85 1 3 5 4 3 %>80 53 78 64 47 50 %>80 22 32 34 33 29 %>75 86 94 84 77 79 %>75 84 84 81 81 81 %>70 98 99 95 94 94 %>70 100 99 98 98 99 PHILADELPHIA_PA PITTSBURGH_PA PHL 0717 0718 0719 0720 0721 PIT 0717 0718 0719 0720 0721 MIN 76 78 75 73 73 MIN 73 73 69 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 1 0 0 0 %>90 0 0 0 0 0 %>85 1 9 4 1 0 %>85 0 0 0 0 0 %>80 18 35 20 8 6 %>80 0 2 1 1 1 %>75 64 72 51 36 33 %>75 18 27 9 11 10 %>70 95 94 82 75 75 %>70 92 80 42 43 43 PORTLAND_ME PROVIDENCE_RI PWM 0717 0718 0719 0720 0721 PVD 0717 0718 0719 0720 0721 MIN 70 70 65 63 64 MIN 74 75 71 68 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 2 0 0 0 %>80 0 7 4 0 1 %>75 6 15 4 0 0 %>75 38 51 21 5 10 %>70 48 49 18 3 6 %>70 98 93 57 32 42 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0717 0718 0719 0720 0721 RIC 0717 0718 0719 0720 0721 MIN 77 78 78 77 76 MIN 77 78 77 76 75 %>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 1 0 0 %>90 0 3 1 0 0 %>85 0 8 7 5 5 %>85 2 13 7 2 3 %>80 14 34 32 26 25 %>80 23 38 28 17 16 %>75 70 73 71 64 61 %>75 70 69 63 55 48 %>70 98 95 94 91 89 %>70 96 90 89 88 81 SAVANNAH_GA TALLAHASSEE_FL SAV 0717 0718 0719 0720 0721 TLH 0717 0718 0719 0720 0721 MIN 79 78 78 79 79 MIN 78 78 77 78 78 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 1 1 1 1 %>95 0 0 0 0 0 %>90 3 3 4 5 4 %>90 0 0 1 1 1 %>85 14 14 14 17 16 %>85 4 4 5 8 10 %>80 42 38 38 42 42 %>80 27 27 28 33 38 %>75 77 68 68 71 73 %>75 76 83 70 70 75 %>70 96 90 89 90 92 %>70 97 98 95 93 95 TAMPA_FL WASHINGTON_DC TPA 0717 0718 0719 0720 0721 DCA 0717 0718 0719 0720 0721 MIN 78 80 80 80 81 MIN 77 78 77 75 74 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 1 1 1 %>95 0 0 0 0 0 %>90 1 3 6 6 5 %>90 0 2 1 0 0 %>85 9 16 22 24 23 %>85 4 11 6 2 1 %>80 35 46 50 54 55 %>80 26 38 27 17 12 %>75 74 80 78 81 82 %>75 69 74 61 54 46 %>70 95 96 94 95 95 %>70 95 94 88 87 83 URL IS WWW.WPC.NCEP.NOAA.GOV $$