


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
120 FMUS23 KWNH 131656 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1655 UTC WED AUG 13 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED AUG 13 2025 AKRON-CANTON_OH ALBANY_NY CAK 0816 0817 0818 0819 0820 ALB 0816 0817 0818 0819 0820 MIN 64 68 66 62 61 MIN 62 67 60 55 53 %>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 2 2 0 %>80 0 0 0 0 0 %>75 0 4 9 7 3 %>75 0 0 1 0 0 %>70 7 33 28 18 10 %>70 3 16 5 1 2 ASHEVILLE_NC ATLANTA_GA AVL 0816 0817 0818 0819 0820 ATL 0816 0817 0818 0819 0820 MIN 67 67 66 67 66 MIN 75 74 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 3 1 1 2 2 %>75 0 0 0 1 1 %>75 45 33 25 40 31 %>70 12 9 7 15 13 %>70 95 94 91 94 89 BALTIMORE_MD BIRMINGHAM_AL BWI 0816 0817 0818 0819 0820 BHM 0816 0817 0818 0819 0820 MIN 73 72 73 70 66 MIN 74 75 74 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 1 0 0 1 1 %>80 0 1 7 6 3 %>80 8 7 6 10 11 %>75 24 18 34 21 11 %>75 43 44 42 47 46 %>70 89 69 72 49 30 %>70 87 90 89 88 85 BOSTON_MA BUFFALO_NY BOS 0816 0817 0818 0819 0820 BUF 0816 0817 0818 0819 0820 MIN 63 67 66 60 57 MIN 64 69 61 56 57 %>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 0 %>75 0 0 3 0 1 %>75 0 5 2 1 1 %>70 1 18 20 3 4 %>70 6 43 9 4 3 CHARLESTON_SC CHARLESTON_WV CHS 0816 0817 0818 0819 0820 CRW 0816 0817 0818 0819 0820 MIN 78 77 76 76 75 MIN 69 70 71 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 1 0 0 0 0 %>90 0 0 0 0 0 %>85 7 0 0 1 2 %>85 0 0 0 0 0 %>80 33 14 9 17 14 %>80 0 0 1 1 1 %>75 73 72 59 65 47 %>75 3 4 14 10 8 %>70 95 99 97 96 83 %>70 40 46 63 40 34 CHARLOTTE_NC CHICAGO_IL CLT 0816 0817 0818 0819 0820 ORD 0816 0817 0818 0819 0820 MIN 74 72 73 72 69 MIN 72 75 73 69 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 1 1 0 %>85 0 0 0 0 1 %>85 0 2 4 2 0 %>80 0 0 2 3 4 %>80 4 17 15 8 2 %>75 28 16 25 26 18 %>75 26 54 37 22 11 %>70 93 83 75 72 46 %>70 66 88 64 43 32 CINCINNATI_OH CLEVELAND_OH LUK 0816 0817 0818 0819 0820 CLE 0816 0817 0818 0819 0820 MIN 70 71 73 69 67 MIN 67 72 69 65 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 0 0 %>90 0 0 0 0 0 %>85 0 0 0 1 0 %>85 0 0 0 1 0 %>80 0 1 3 5 2 %>80 1 4 3 3 1 %>75 7 15 32 17 10 %>75 6 27 16 11 5 %>70 52 66 83 42 30 %>70 27 70 45 28 20 COLUMBIA_SC COLUMBUS_OH CAE 0816 0817 0818 0819 0820 TZR 0816 0817 0818 0819 0820 MIN 76 74 74 74 72 MIN 67 70 69 65 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 0 0 %>90 0 0 0 0 0 %>85 1 0 0 0 0 %>85 0 0 0 1 0 %>80 11 1 3 6 6 %>80 0 1 1 3 1 %>75 57 37 34 40 29 %>75 1 12 13 10 5 %>70 94 94 85 85 68 %>70 23 53 46 26 18 DAYTON_OH DETROIT_MI MGY 0816 0817 0818 0819 0820 DET 0816 0817 0818 0819 0820 MIN 69 71 71 67 65 MIN 69 73 67 63 62 %>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 1 0 %>80 0 1 1 3 1 %>80 1 6 3 3 0 %>75 3 13 18 13 7 %>75 12 34 12 9 2 %>70 39 62 65 34 24 %>70 48 74 33 22 11 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0816 0817 0818 0819 0820 GRR 0816 0817 0818 0819 0820 MIN 72 74 76 73 71 MIN 66 69 64 60 57 %>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 2 2 %>85 0 0 0 0 0 %>80 2 4 14 12 9 %>80 1 2 1 1 0 %>75 23 39 58 38 27 %>75 7 15 7 5 1 %>70 72 88 93 72 55 %>70 27 46 21 14 4 GREENSBORO_NC HUNTSVILLE_AL GSO 0816 0817 0818 0819 0820 HSV 0816 0817 0818 0819 0820 MIN 72 71 71 71 67 MIN 74 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 0 0 %>85 0 0 0 0 0 %>80 0 0 1 2 3 %>80 0 2 2 5 6 %>75 11 5 15 17 12 %>75 33 44 43 46 39 %>70 85 64 64 59 34 %>70 95 96 95 92 83 INDIANAPOLIS_IN KNOXVILLE_TN IND 0816 0817 0818 0819 0820 TYS 0816 0817 0818 0819 0820 MIN 69 73 73 69 66 MIN 73 72 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 0 0 %>90 0 0 0 0 0 %>85 0 0 0 1 0 %>85 0 0 0 0 0 %>80 0 1 3 6 2 %>80 0 0 0 0 0 %>75 6 25 32 20 9 %>75 11 11 11 14 17 %>70 41 86 84 46 27 %>70 90 84 84 84 80 LEXINGTON_KY LOUISVILLE_KY LEX 0816 0817 0818 0819 0820 SDF 0816 0817 0818 0819 0820 MIN 71 71 73 70 68 MIN 72 73 75 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 1 0 %>85 0 0 0 0 0 %>80 0 1 3 5 3 %>80 0 1 5 5 4 %>75 9 14 28 20 14 %>75 15 27 58 27 22 %>70 56 60 77 50 40 %>70 71 86 97 65 56 MEMPHIS_TN MIAMI_FL MEM 0816 0817 0818 0819 0820 MIA 0816 0817 0818 0819 0820 MIN 77 77 77 76 75 MIN 85 85 84 84 84 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 2 3 2 2 3 %>90 0 0 0 0 1 %>90 22 23 18 19 19 %>85 1 3 3 4 4 %>85 54 54 52 49 47 %>80 20 23 23 22 19 %>80 75 75 75 71 69 %>75 69 65 65 59 48 %>75 92 92 93 89 87 %>70 97 93 93 89 78 %>70 99 99 99 97 97 MILWAUKEE_WI MOBILE_AL MKE 0816 0817 0818 0819 0820 MOB 0816 0817 0818 0819 0820 MIN 71 72 70 68 65 MIN 78 78 77 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 1 1 1 1 1 %>85 0 0 0 0 0 %>85 10 9 6 6 5 %>80 2 3 4 1 0 %>80 37 32 29 26 24 %>75 21 24 19 10 4 %>75 73 69 70 62 62 %>70 60 66 51 37 20 %>70 94 92 94 89 90 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0816 0817 0818 0819 0820 NYC 0816 0817 0818 0819 0820 MIN 73 74 75 75 74 MIN 72 72 72 68 63 %>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 0 0 %>80 3 3 7 10 10 %>80 0 0 7 3 1 %>75 32 42 53 48 39 %>75 8 9 30 14 5 %>70 84 92 95 88 77 %>70 75 79 65 38 18 NORFOLK_VA ORLANDO_FL ORF 0816 0817 0818 0819 0820 ORL 0816 0817 0818 0819 0820 MIN 76 73 73 73 71 MIN 80 78 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 0 0 0 %>85 0 0 0 0 1 %>85 12 7 5 4 6 %>80 4 2 3 6 8 %>80 48 35 42 34 38 %>75 64 29 36 35 28 %>75 86 77 91 82 83 %>70 96 77 81 77 61 %>70 98 97 100 99 99 PHILADELPHIA_PA PITTSBURGH_PA PHL 0816 0817 0818 0819 0820 PIT 0816 0817 0818 0819 0820 MIN 70 69 71 67 63 MIN 66 68 68 65 63 %>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 0 %>85 0 0 0 0 0 %>80 0 0 5 3 2 %>80 0 0 1 1 0 %>75 6 3 22 13 7 %>75 0 2 9 7 3 %>70 56 42 54 33 19 %>70 10 30 35 24 15 PORTLAND_ME PROVIDENCE_RI PWM 0816 0817 0818 0819 0820 PVD 0816 0817 0818 0819 0820 MIN 58 63 59 56 54 MIN 62 66 66 60 56 %>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 1 0 0 %>75 0 0 0 0 0 %>75 0 1 6 1 1 %>70 1 5 3 0 1 %>70 3 16 26 5 5 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0816 0817 0818 0819 0820 RIC 0816 0817 0818 0819 0820 MIN 74 71 72 72 68 MIN 73 69 71 70 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 1 1 %>80 1 0 1 3 4 %>80 0 0 3 5 5 %>75 31 11 20 22 16 %>75 17 6 22 19 14 %>70 94 65 71 66 40 %>70 82 42 62 47 30 SAVANNAH_GA TALLAHASSEE_FL SAV 0816 0817 0818 0819 0820 TLH 0816 0817 0818 0819 0820 MIN 78 77 76 76 75 MIN 79 78 78 77 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 0 0 0 0 %>90 1 0 0 0 0 %>85 9 1 0 1 1 %>85 8 6 3 1 3 %>80 37 18 8 14 12 %>80 41 35 28 22 30 %>75 75 70 56 61 53 %>75 83 80 78 77 80 %>70 96 98 96 96 92 %>70 98 98 98 99 98 TAMPA_FL WASHINGTON_DC TPA 0816 0817 0818 0819 0820 DCA 0816 0817 0818 0819 0820 MIN 85 82 83 82 81 MIN 73 71 73 70 66 %>100 0 0 1 0 0 %>100 0 0 0 0 0 %>95 2 1 3 1 1 %>95 0 0 0 0 0 %>90 19 8 12 7 6 %>90 0 0 0 0 0 %>85 54 32 35 28 27 %>85 0 0 1 1 1 %>80 80 64 65 61 61 %>80 0 1 8 7 5 %>75 95 88 88 88 87 %>75 25 16 34 22 14 %>70 99 97 98 98 98 %>70 90 65 72 48 31 URL IS WWW.WPC.NCEP.NOAA.GOV $$