


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
639 FMUS23 KWNH 110745 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0744 UTC MON AUG 11 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM MON AUG 11 2025 AKRON-CANTON_OH ALBANY_NY CAK 0814 0815 0816 0817 0818 ALB 0814 0815 0816 0817 0818 MIN 65 61 64 67 68 MIN 68 59 58 65 66 %>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 1 %>80 0 0 0 3 4 %>80 0 0 0 0 3 %>75 3 1 4 12 15 %>75 2 0 0 2 11 %>70 19 8 16 34 37 %>70 28 3 2 15 28 ASHEVILLE_NC ATLANTA_GA AVL 0814 0815 0816 0817 0818 ATL 0814 0815 0816 0817 0818 MIN 67 67 67 65 64 MIN 73 74 74 72 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 0 0 0 %>80 1 2 4 3 4 %>75 0 0 0 1 2 %>75 23 32 37 26 23 %>70 11 10 11 10 11 %>70 88 91 88 74 61 BALTIMORE_MD BIRMINGHAM_AL BWI 0814 0815 0816 0817 0818 BHM 0814 0815 0816 0817 0818 MIN 75 72 72 70 72 MIN 74 74 75 74 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 1 %>90 0 0 0 0 0 %>85 0 0 0 1 5 %>85 0 0 1 1 2 %>80 8 4 3 7 15 %>80 2 7 11 11 11 %>75 54 25 23 24 35 %>75 39 41 47 43 37 %>70 92 66 65 54 60 %>70 93 87 87 82 72 BOSTON_MA BUFFALO_NY BOS 0814 0815 0816 0817 0818 BUF 0814 0815 0816 0817 0818 MIN 72 66 61 66 68 MIN 63 58 63 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 1 %>85 0 0 0 0 1 %>80 1 0 0 0 5 %>80 0 0 0 1 4 %>75 18 3 0 4 16 %>75 2 0 1 10 13 %>70 75 19 5 21 37 %>70 11 3 10 37 30 CHARLESTON_SC CHARLESTON_WV CHS 0814 0815 0816 0817 0818 CRW 0814 0815 0816 0817 0818 MIN 78 79 77 76 76 MIN 71 69 70 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 2 3 2 1 0 %>90 0 0 0 0 0 %>85 11 14 9 5 3 %>85 0 0 0 0 0 %>80 38 42 31 22 18 %>80 0 0 1 1 2 %>75 74 74 63 58 59 %>75 5 6 9 11 16 %>70 95 93 88 88 92 %>70 66 43 47 54 51 CHARLOTTE_NC CHICAGO_IL CLT 0814 0815 0816 0817 0818 ORD 0814 0815 0816 0817 0818 MIN 73 73 72 70 71 MIN 66 68 73 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 1 %>85 0 0 0 0 1 %>85 0 0 1 3 5 %>80 2 1 2 4 5 %>80 0 1 9 15 15 %>75 26 30 24 19 22 %>75 3 7 36 43 35 %>70 77 89 75 52 54 %>70 19 33 72 74 60 CINCINNATI_OH CLEVELAND_OH LUK 0814 0815 0816 0817 0818 CLE 0814 0815 0816 0817 0818 MIN 70 69 71 72 72 MIN 68 65 68 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 1 1 %>80 0 0 1 4 4 %>80 1 0 1 7 8 %>75 10 8 15 27 28 %>75 10 4 11 27 27 %>70 53 40 55 71 71 %>70 38 20 35 55 54 COLUMBIA_SC COLUMBUS_OH CAE 0814 0815 0816 0817 0818 TZR 0814 0815 0816 0817 0818 MIN 75 76 74 73 73 MIN 68 65 68 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 1 1 1 0 %>85 0 0 0 0 0 %>80 7 12 9 6 5 %>80 0 0 1 3 4 %>75 46 59 41 31 30 %>75 6 3 9 17 18 %>70 89 94 82 71 72 %>70 31 19 34 49 48 DAYTON_OH DETROIT_MI MGY 0814 0815 0816 0817 0818 DET 0814 0815 0816 0817 0818 MIN 69 67 69 72 71 MIN 65 64 69 72 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 1 %>85 0 0 0 0 0 %>85 0 0 0 3 4 %>80 0 0 1 3 3 %>80 0 0 3 12 13 %>75 6 4 11 21 21 %>75 1 2 16 34 28 %>70 38 28 46 64 62 %>70 15 14 43 63 50 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0814 0815 0816 0817 0818 GRR 0814 0815 0816 0817 0818 MIN 72 72 74 75 75 MIN 58 62 68 70 66 %>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 2 %>85 0 0 0 0 1 %>80 1 2 8 13 16 %>80 0 0 2 4 5 %>75 19 25 40 46 49 %>75 0 1 11 20 14 %>70 77 73 81 83 83 %>70 2 7 37 52 33 GREENSBORO_NC HUNTSVILLE_AL GSO 0814 0815 0816 0817 0818 HSV 0814 0815 0816 0817 0818 MIN 72 73 72 68 69 MIN 74 74 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 3 3 %>80 0 0 1 2 4 %>75 18 19 15 13 16 %>75 37 30 42 36 36 %>70 81 84 69 38 45 %>70 98 95 96 90 84 INDIANAPOLIS_IN KNOXVILLE_TN IND 0814 0815 0816 0817 0818 TYS 0814 0815 0816 0817 0818 MIN 68 68 71 72 73 MIN 73 72 73 72 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 3 3 %>80 0 0 0 0 0 %>75 4 5 15 26 28 %>75 11 9 13 13 12 %>70 29 32 61 74 76 %>70 93 89 87 81 65 LEXINGTON_KY LOUISVILLE_KY LEX 0814 0815 0816 0817 0818 SDF 0814 0815 0816 0817 0818 MIN 71 70 71 71 72 MIN 73 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 1 3 4 %>80 0 1 2 4 5 %>75 8 9 16 22 26 %>75 17 20 32 38 42 %>70 65 53 60 62 66 %>70 85 77 86 86 88 MEMPHIS_TN MIAMI_FL MEM 0814 0815 0816 0817 0818 MIA 0814 0815 0816 0817 0818 MIN 75 76 76 76 76 MIN 86 87 86 86 85 %>100 0 0 0 0 0 %>100 1 1 1 1 0 %>95 0 0 0 0 0 %>95 5 8 7 6 3 %>90 0 0 0 0 1 %>90 30 35 34 33 26 %>85 0 1 2 4 6 %>85 56 60 60 59 56 %>80 10 13 17 22 24 %>80 77 83 81 80 77 %>75 54 60 55 59 57 %>75 93 96 94 93 93 %>70 93 95 89 89 86 %>70 99 99 99 99 99 MILWAUKEE_WI MOBILE_AL MKE 0814 0815 0816 0817 0818 MOB 0814 0815 0816 0817 0818 MIN 65 68 72 72 70 MIN 77 78 78 78 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 2 2 2 1 2 %>85 0 0 0 1 1 %>85 10 11 12 9 9 %>80 0 1 5 7 7 %>80 32 35 37 34 28 %>75 3 8 29 31 24 %>75 67 69 70 72 59 %>70 15 32 70 67 51 %>70 91 91 91 94 85 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0814 0815 0816 0817 0818 NYC 0814 0815 0816 0817 0818 MIN 74 73 74 74 74 MIN 75 71 69 70 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 1 %>85 0 0 0 0 1 %>85 0 0 0 1 3 %>80 1 1 4 8 9 %>80 9 0 1 6 14 %>75 32 28 38 43 42 %>75 53 11 12 23 39 %>70 94 88 88 86 84 %>70 92 63 45 53 68 NORFOLK_VA ORLANDO_FL ORF 0814 0815 0816 0817 0818 ORL 0814 0815 0816 0817 0818 MIN 76 76 75 74 73 MIN 79 79 79 78 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 1 1 3 1 0 %>85 1 1 0 1 1 %>85 9 12 14 10 7 %>80 15 16 8 8 10 %>80 40 45 41 38 43 %>75 66 64 50 39 39 %>75 81 83 75 75 86 %>70 95 94 88 79 75 %>70 98 98 94 95 99 PHILADELPHIA_PA PITTSBURGH_PA PHL 0814 0815 0816 0817 0818 PIT 0814 0815 0816 0817 0818 MIN 75 70 68 68 70 MIN 68 63 66 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 0 0 0 1 %>90 0 0 0 0 0 %>85 0 0 0 0 3 %>85 0 0 0 0 0 %>80 2 1 1 3 11 %>80 0 0 0 1 2 %>75 46 13 8 14 28 %>75 3 2 4 10 15 %>70 94 49 34 39 51 %>70 28 12 22 40 44 PORTLAND_ME PROVIDENCE_RI PWM 0814 0815 0816 0817 0818 PVD 0814 0815 0816 0817 0818 MIN 68 60 57 62 63 MIN 72 66 61 65 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 1 %>85 0 0 0 0 1 %>80 2 0 0 0 2 %>80 0 1 0 0 4 %>75 10 2 0 1 7 %>75 10 5 1 3 15 %>70 34 8 2 8 19 %>70 76 23 5 18 39 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0814 0815 0816 0817 0818 RIC 0814 0815 0816 0817 0818 MIN 75 75 73 70 71 MIN 74 73 71 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 1 %>85 0 0 0 1 1 %>85 0 0 0 1 3 %>80 3 5 3 4 6 %>80 5 5 3 5 9 %>75 43 45 29 19 23 %>75 41 31 19 15 23 %>70 94 92 78 48 55 %>70 87 76 56 37 43 SAVANNAH_GA TALLAHASSEE_FL SAV 0814 0815 0816 0817 0818 TLH 0814 0815 0816 0817 0818 MIN 78 78 78 76 76 MIN 78 78 79 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 1 1 1 0 0 %>90 0 1 1 0 0 %>85 8 10 8 3 3 %>85 3 6 9 5 4 %>80 31 38 32 21 18 %>80 24 35 41 31 28 %>75 69 75 68 63 56 %>75 76 80 81 77 75 %>70 93 95 93 93 90 %>70 97 97 97 97 97 TAMPA_FL WASHINGTON_DC TPA 0814 0815 0816 0817 0818 DCA 0814 0815 0816 0817 0818 MIN 84 84 84 83 83 MIN 76 72 71 70 71 %>100 1 0 0 0 0 %>100 0 0 0 0 0 %>95 5 3 3 2 2 %>95 0 0 0 0 0 %>90 22 18 18 14 12 %>90 0 0 0 0 1 %>85 50 50 49 42 37 %>85 1 0 0 2 6 %>80 74 76 75 71 68 %>80 11 5 4 7 16 %>75 90 90 90 89 89 %>75 56 29 23 23 33 %>70 97 98 97 97 98 %>70 93 70 61 50 56 URL IS WWW.WPC.NCEP.NOAA.GOV $$