


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
713 FMUS23 KWNH 091657 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1655 UTC SAT AUG 09 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SAT AUG 09 2025 AKRON-CANTON_OH ALBANY_NY CAK 0812 0813 0814 0815 0816 ALB 0812 0813 0814 0815 0816 MIN 70 71 68 66 69 MIN 67 70 69 63 65 %>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 1 2 0 1 3 %>80 0 0 0 0 1 %>75 14 17 6 8 15 %>75 0 3 3 3 6 %>70 54 57 35 28 44 %>70 10 44 37 14 22 ASHEVILLE_NC ATLANTA_GA AVL 0812 0813 0814 0815 0816 ATL 0812 0813 0814 0815 0816 MIN 67 68 68 69 68 MIN 73 74 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 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 0 %>80 0 0 2 6 6 %>75 0 0 0 0 1 %>75 11 27 46 50 39 %>70 16 16 20 27 23 %>70 96 93 97 94 85 BALTIMORE_MD BIRMINGHAM_AL BWI 0812 0813 0814 0815 0816 BHM 0812 0813 0814 0815 0816 MIN 71 75 76 75 74 MIN 74 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 0 0 0 0 %>90 0 0 0 0 0 %>85 0 0 1 1 1 %>85 0 0 0 2 2 %>80 0 3 14 11 12 %>80 2 5 8 14 16 %>75 7 49 59 49 44 %>75 41 46 48 54 51 %>70 58 95 92 86 80 %>70 96 94 92 90 86 BOSTON_MA BUFFALO_NY BOS 0812 0813 0814 0815 0816 BUF 0812 0813 0814 0815 0816 MIN 72 71 73 68 65 MIN 72 71 66 64 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 3 2 1 %>80 0 1 1 1 3 %>75 11 12 30 11 5 %>75 15 18 6 5 15 %>70 76 66 82 36 22 %>70 75 66 25 19 41 CHARLESTON_SC CHARLESTON_WV CHS 0812 0813 0814 0815 0816 CRW 0812 0813 0814 0815 0816 MIN 77 78 79 79 78 MIN 72 73 72 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 2 3 2 %>90 0 0 0 0 0 %>85 2 4 11 13 12 %>85 0 0 0 0 0 %>80 20 26 40 40 38 %>80 1 2 0 1 3 %>75 73 75 80 74 73 %>75 18 25 16 15 28 %>70 98 98 97 94 94 %>70 74 80 73 66 75 CHARLOTTE_NC CHICAGO_IL CLT 0812 0813 0814 0815 0816 ORD 0812 0813 0814 0815 0816 MIN 72 74 74 75 74 MIN 74 72 70 72 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 0 0 %>85 0 0 0 0 3 %>80 0 0 3 4 4 %>80 2 1 1 5 15 %>75 4 25 41 49 39 %>75 31 16 13 25 47 %>70 89 95 91 95 87 %>70 89 72 54 64 82 CINCINNATI_OH CLEVELAND_OH LUK 0812 0813 0814 0815 0816 CLE 0812 0813 0814 0815 0816 MIN 74 73 73 73 73 MIN 74 72 71 69 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 0 1 %>80 2 2 0 3 7 %>80 6 4 1 2 6 %>75 39 29 22 28 36 %>75 39 29 16 15 27 %>70 94 85 86 77 78 %>70 87 71 56 45 63 COLUMBIA_SC COLUMBUS_OH CAE 0812 0813 0814 0815 0816 TZR 0812 0813 0814 0815 0816 MIN 73 75 76 76 75 MIN 72 72 71 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 2 1 %>85 0 0 0 0 0 %>80 0 1 11 18 12 %>80 1 1 1 2 5 %>75 22 54 61 61 52 %>75 20 21 12 14 26 %>70 94 99 96 93 90 %>70 72 70 58 50 64 DAYTON_OH DETROIT_MI MGY 0812 0813 0814 0815 0816 DET 0812 0813 0814 0815 0816 MIN 73 73 72 72 73 MIN 76 71 69 69 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 1 %>85 1 0 0 0 2 %>80 0 0 0 2 7 %>80 15 2 1 3 10 %>75 25 20 13 20 34 %>75 60 21 10 16 32 %>70 93 84 72 66 75 %>70 94 64 41 43 63 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0812 0813 0814 0815 0816 GRR 0812 0813 0814 0815 0816 MIN 75 75 74 75 75 MIN 72 69 63 67 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 0 0 %>85 0 0 0 0 1 %>80 7 6 4 6 9 %>80 1 0 0 2 7 %>75 55 46 43 45 47 %>75 21 2 3 9 24 %>70 96 91 92 90 88 %>70 74 35 14 30 53 GREENSBORO_NC HUNTSVILLE_AL GSO 0812 0813 0814 0815 0816 HSV 0812 0813 0814 0815 0816 MIN 71 73 74 74 73 MIN 75 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 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 1 1 1 %>80 1 2 2 4 3 %>75 1 12 32 38 27 %>75 42 45 45 51 54 %>70 75 97 95 97 85 %>70 97 96 96 96 98 INDIANAPOLIS_IN KNOXVILLE_TN IND 0812 0813 0814 0815 0816 TYS 0812 0813 0814 0815 0816 MIN 74 73 71 72 73 MIN 73 74 73 73 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 0 1 %>85 0 0 0 0 0 %>80 0 0 1 2 7 %>80 0 0 0 0 0 %>75 34 16 14 21 33 %>75 21 26 21 24 29 %>70 96 87 65 69 74 %>70 86 95 93 93 94 LEXINGTON_KY LOUISVILLE_KY LEX 0812 0813 0814 0815 0816 SDF 0812 0813 0814 0815 0816 MIN 74 73 73 73 73 MIN 75 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 0 0 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 1 2 1 1 4 %>80 1 1 1 3 7 %>75 31 27 20 28 29 %>75 51 44 43 46 46 %>70 89 80 80 85 75 %>70 97 96 97 95 89 MEMPHIS_TN MIAMI_FL MEM 0812 0813 0814 0815 0816 MIA 0812 0813 0814 0815 0816 MIN 77 76 76 76 76 MIN 90 89 88 88 89 %>100 0 0 0 0 0 %>100 3 2 1 1 2 %>95 0 0 0 0 0 %>95 16 12 8 9 11 %>90 0 0 0 0 0 %>90 44 39 35 34 39 %>85 0 2 2 3 5 %>85 82 75 67 66 75 %>80 17 17 20 21 24 %>80 96 95 92 92 95 %>75 76 61 64 61 61 %>75 99 99 99 99 99 %>70 99 93 94 91 90 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0812 0813 0814 0815 0816 MOB 0812 0813 0814 0815 0816 MIN 72 70 69 71 74 MIN 77 77 78 79 78 %>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 0 0 0 0 0 %>90 0 1 3 3 4 %>85 0 0 0 0 1 %>85 4 9 13 14 15 %>80 2 0 0 2 10 %>80 23 31 38 40 40 %>75 13 7 5 18 41 %>75 66 67 72 73 70 %>70 77 50 37 58 80 %>70 94 92 93 93 90 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0812 0813 0814 0815 0816 NYC 0812 0813 0814 0815 0816 MIN 75 75 75 75 75 MIN 71 75 76 74 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 2 0 0 %>80 5 6 5 7 8 %>80 0 3 17 6 5 %>75 56 52 45 49 50 %>75 11 45 61 38 30 %>70 97 95 92 93 93 %>70 63 93 92 81 70 NORFOLK_VA ORLANDO_FL ORF 0812 0813 0814 0815 0816 ORL 0812 0813 0814 0815 0816 MIN 73 76 77 77 76 MIN 79 79 80 80 79 %>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 1 1 1 %>85 0 0 1 2 3 %>85 6 7 10 10 10 %>80 1 1 19 25 21 %>80 43 42 48 46 45 %>75 31 67 76 74 62 %>75 88 86 89 87 85 %>70 88 99 98 97 91 %>70 99 99 99 99 98 PHILADELPHIA_PA PITTSBURGH_PA PHL 0812 0813 0814 0815 0816 PIT 0812 0813 0814 0815 0816 MIN 67 73 74 73 72 MIN 70 72 70 68 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 1 %>85 0 0 0 0 0 %>80 0 0 8 8 6 %>80 1 2 0 1 3 %>75 0 21 43 37 29 %>75 11 23 7 10 20 %>70 16 87 86 76 67 %>70 50 72 45 37 56 PORTLAND_ME PROVIDENCE_RI PWM 0812 0813 0814 0815 0816 PVD 0812 0813 0814 0815 0816 MIN 69 68 69 63 61 MIN 69 70 73 68 65 %>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 1 1 0 %>80 0 0 0 2 1 %>75 3 4 10 5 2 %>75 3 3 18 11 7 %>70 38 32 45 16 9 %>70 37 44 82 39 23 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0812 0813 0814 0815 0816 RIC 0812 0813 0814 0815 0816 MIN 72 75 76 76 75 MIN 71 74 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 0 0 %>85 0 0 0 1 1 %>80 0 0 7 9 6 %>80 0 0 9 12 10 %>75 4 40 59 59 45 %>75 7 36 49 51 40 %>70 95 99 97 96 90 %>70 61 98 90 89 78 SAVANNAH_GA TALLAHASSEE_FL SAV 0812 0813 0814 0815 0816 TLH 0812 0813 0814 0815 0816 MIN 77 77 78 79 78 MIN 78 78 78 79 79 %>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 1 2 %>90 0 0 0 0 1 %>85 4 4 8 10 9 %>85 1 2 3 6 9 %>80 24 24 32 39 34 %>80 18 22 31 39 39 %>75 70 70 74 78 71 %>75 82 84 83 84 80 %>70 97 96 96 97 94 %>70 99 99 99 98 97 TAMPA_FL WASHINGTON_DC TPA 0812 0813 0814 0815 0816 DCA 0812 0813 0814 0815 0816 MIN 82 84 86 85 84 MIN 71 75 76 75 74 %>100 0 0 1 0 0 %>100 0 0 0 0 0 %>95 1 3 5 3 2 %>95 0 0 0 0 0 %>90 6 16 25 20 17 %>90 0 0 0 0 0 %>85 27 45 56 54 49 %>85 0 0 2 2 2 %>80 62 73 82 80 77 %>80 0 5 18 15 13 %>75 89 92 95 94 93 %>75 10 49 57 52 44 %>70 98 99 99 99 99 %>70 61 94 89 87 80 URL IS WWW.WPC.NCEP.NOAA.GOV $$