


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
364 FMUS23 KWNH 081657 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1655 UTC FRI AUG 08 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM FRI AUG 08 2025 AKRON-CANTON_OH ALBANY_NY CAK 0811 0812 0813 0814 0815 ALB 0811 0812 0813 0814 0815 MIN 68 70 70 69 68 MIN 64 66 70 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 0 0 0 0 %>80 0 1 0 1 0 %>80 0 0 0 0 0 %>75 5 14 10 7 6 %>75 1 1 2 3 4 %>70 32 50 52 37 31 %>70 10 16 46 42 32 ASHEVILLE_NC ATLANTA_GA AVL 0811 0812 0813 0814 0815 ATL 0811 0812 0813 0814 0815 MIN 65 66 66 67 67 MIN 71 72 73 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 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 1 2 %>75 0 0 0 0 0 %>75 4 8 18 31 35 %>70 6 9 10 14 16 %>70 74 80 85 91 90 BALTIMORE_MD BIRMINGHAM_AL BWI 0811 0812 0813 0814 0815 BHM 0811 0812 0813 0814 0815 MIN 67 70 75 76 75 MIN 73 73 73 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 0 0 0 0 %>85 0 0 0 1 0 %>85 0 0 0 0 1 %>80 0 0 5 14 11 %>80 0 1 3 6 9 %>75 1 6 48 61 56 %>75 22 26 33 39 42 %>70 20 51 92 93 92 %>70 86 85 85 85 84 BOSTON_MA BUFFALO_NY BOS 0811 0812 0813 0814 0815 BUF 0811 0812 0813 0814 0815 MIN 67 68 71 71 70 MIN 70 72 70 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 0 0 0 0 %>80 0 1 0 2 0 %>80 0 0 1 0 1 %>75 3 8 12 18 10 %>75 3 15 14 7 7 %>70 22 37 65 63 54 %>70 49 76 52 42 33 CHARLESTON_SC CHARLESTON_WV CHS 0811 0812 0813 0814 0815 CRW 0811 0812 0813 0814 0815 MIN 76 76 77 77 78 MIN 70 71 72 72 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 1 2 %>90 0 0 0 0 0 %>85 0 1 2 6 11 %>85 0 0 0 0 0 %>80 9 14 20 29 36 %>80 0 1 1 0 0 %>75 67 66 69 69 72 %>75 4 14 19 15 15 %>70 99 98 97 94 94 %>70 48 62 79 73 72 CHARLOTTE_NC CHICAGO_IL CLT 0811 0812 0813 0814 0815 ORD 0811 0812 0813 0814 0815 MIN 71 72 73 74 74 MIN 74 72 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 0 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 1 0 0 0 1 %>80 0 0 1 2 3 %>80 8 2 2 3 7 %>75 2 5 20 34 36 %>75 44 20 19 21 32 %>70 70 79 80 87 88 %>70 87 77 68 61 71 CINCINNATI_OH CLEVELAND_OH LUK 0811 0812 0813 0814 0815 CLE 0811 0812 0813 0814 0815 MIN 72 73 73 72 72 MIN 72 73 72 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 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 1 1 1 1 %>80 3 6 4 3 2 %>75 8 23 24 16 18 %>75 18 34 26 19 15 %>70 76 82 84 69 74 %>70 67 78 73 58 50 COLUMBIA_SC COLUMBUS_OH CAE 0811 0812 0813 0814 0815 TZR 0811 0812 0813 0814 0815 MIN 73 73 74 75 75 MIN 70 71 71 70 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 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 0 1 7 10 %>80 0 1 1 0 1 %>75 13 18 32 52 53 %>75 4 16 15 10 10 %>70 91 93 91 94 92 %>70 48 62 64 52 52 DAYTON_OH DETROIT_MI MGY 0811 0812 0813 0814 0815 DET 0811 0812 0813 0814 0815 MIN 71 72 72 71 71 MIN 75 74 73 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 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 1 1 0 0 0 %>80 0 0 0 1 0 %>80 9 9 2 4 4 %>75 4 15 15 13 13 %>75 47 42 26 22 20 %>70 65 75 80 62 66 %>70 88 82 76 58 50 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0811 0812 0813 0814 0815 GRR 0811 0812 0813 0814 0815 MIN 74 74 74 73 74 MIN 73 69 69 67 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 0 0 0 0 %>80 1 3 4 3 3 %>80 2 0 0 0 1 %>75 41 42 36 31 38 %>75 27 6 3 5 8 %>70 97 93 85 80 90 %>70 76 42 34 25 35 GREENSBORO_NC HUNTSVILLE_AL GSO 0811 0812 0813 0814 0815 HSV 0811 0812 0813 0814 0815 MIN 69 71 72 73 73 MIN 73 73 74 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 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 1 %>80 0 0 1 1 1 %>75 0 1 10 21 24 %>75 18 24 31 34 34 %>70 34 73 78 86 87 %>70 89 93 91 92 91 INDIANAPOLIS_IN KNOXVILLE_TN IND 0811 0812 0813 0814 0815 TYS 0811 0812 0813 0814 0815 MIN 72 73 72 71 72 MIN 70 71 72 72 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 0 %>85 0 0 0 0 0 %>80 0 0 0 0 1 %>80 0 0 0 0 0 %>75 11 20 19 14 20 %>75 3 7 12 15 19 %>70 84 89 79 66 76 %>70 55 66 85 84 86 LEXINGTON_KY LOUISVILLE_KY LEX 0811 0812 0813 0814 0815 SDF 0811 0812 0813 0814 0815 MIN 71 72 72 71 72 MIN 73 74 74 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 0 %>85 0 0 0 0 0 %>80 0 1 1 1 1 %>80 0 0 1 1 1 %>75 7 18 21 16 18 %>75 14 37 38 26 31 %>70 57 72 77 66 71 %>70 87 95 95 86 89 MEMPHIS_TN MIAMI_FL MEM 0811 0812 0813 0814 0815 MIA 0811 0812 0813 0814 0815 MIN 76 76 75 75 76 MIN 87 89 89 88 87 %>100 0 0 0 0 0 %>100 2 4 3 2 2 %>95 0 0 0 0 0 %>95 12 17 14 12 11 %>90 0 0 0 0 0 %>90 34 44 40 38 36 %>85 0 0 1 1 2 %>85 62 76 73 66 64 %>80 7 11 14 14 20 %>80 88 94 93 88 88 %>75 58 67 53 54 61 %>75 98 99 98 97 97 %>70 96 98 89 90 92 %>70 100 100 100 99 100 MILWAUKEE_WI MOBILE_AL MKE 0811 0812 0813 0814 0815 MOB 0811 0812 0813 0814 0815 MIN 72 70 70 71 71 MIN 77 77 77 77 78 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 1 0 %>90 0 0 0 0 0 %>90 0 0 1 3 3 %>85 0 0 0 0 0 %>85 2 4 8 12 12 %>80 1 1 1 2 2 %>80 17 22 28 34 35 %>75 19 9 11 14 18 %>75 67 64 63 64 66 %>70 76 55 51 55 60 %>70 97 93 90 88 89 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0811 0812 0813 0814 0815 NYC 0811 0812 0813 0814 0815 MIN 73 74 74 74 74 MIN 69 71 75 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 0 0 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 1 1 %>80 0 1 2 2 3 %>80 0 2 7 16 11 %>75 25 33 35 34 35 %>75 8 18 54 63 53 %>70 90 91 90 89 88 %>70 46 62 94 94 90 NORFOLK_VA ORLANDO_FL ORF 0811 0812 0813 0814 0815 ORL 0811 0812 0813 0814 0815 MIN 71 73 75 77 77 MIN 78 79 79 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 0 0 0 0 %>90 0 0 0 1 1 %>85 0 0 0 1 2 %>85 3 5 6 8 7 %>80 1 1 5 18 22 %>80 33 39 42 41 40 %>75 19 28 54 68 69 %>75 84 86 88 84 83 %>70 64 80 91 95 94 %>70 99 99 99 99 98 PHILADELPHIA_PA PITTSBURGH_PA PHL 0811 0812 0813 0814 0815 PIT 0811 0812 0813 0814 0815 MIN 65 68 73 75 74 MIN 68 71 72 70 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 1 8 6 %>80 0 1 0 0 1 %>75 0 1 26 48 41 %>75 1 13 14 9 9 %>70 8 25 85 91 87 %>70 29 60 72 56 45 PORTLAND_ME PROVIDENCE_RI PWM 0811 0812 0813 0814 0815 PVD 0811 0812 0813 0814 0815 MIN 65 66 67 67 67 MIN 65 67 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 0 0 %>85 0 0 0 0 0 %>80 0 0 1 1 0 %>80 0 0 0 0 0 %>75 1 4 6 6 2 %>75 1 3 6 12 9 %>70 11 20 27 29 19 %>70 12 25 54 63 57 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0811 0812 0813 0814 0815 RIC 0811 0812 0813 0814 0815 MIN 70 72 73 75 75 MIN 66 70 73 74 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 6 6 %>80 0 0 2 8 9 %>75 3 7 27 47 49 %>75 1 5 27 42 45 %>70 58 91 87 91 93 %>70 14 45 78 85 87 SAVANNAH_GA TALLAHASSEE_FL SAV 0811 0812 0813 0814 0815 TLH 0811 0812 0813 0814 0815 MIN 76 77 77 77 78 MIN 76 77 77 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 1 %>90 0 0 0 0 1 %>85 1 2 3 4 8 %>85 0 1 1 4 6 %>80 12 17 19 25 31 %>80 5 8 17 28 33 %>75 59 65 65 68 70 %>75 67 79 78 78 77 %>70 96 97 96 95 94 %>70 99 99 98 97 97 TAMPA_FL WASHINGTON_DC TPA 0811 0812 0813 0814 0815 DCA 0811 0812 0813 0814 0815 MIN 79 81 82 82 82 MIN 67 70 75 76 75 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 1 1 2 2 %>95 0 0 0 0 0 %>90 2 6 10 12 11 %>90 0 0 0 0 0 %>85 13 26 34 37 36 %>85 0 0 0 1 1 %>80 40 58 66 66 66 %>80 0 0 6 15 13 %>75 75 86 89 87 88 %>75 1 8 46 57 54 %>70 95 97 98 96 97 %>70 16 51 90 92 91 URL IS WWW.WPC.NCEP.NOAA.GOV $$