


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
650 FMUS23 KWNH 311608 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1606 UTC SAT MAY 31 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SAT MAY 31 2025 AKRON-CANTON_OH ALBANY_NY CAK 0603 0604 0605 0606 0607 ALB 0603 0604 0605 0606 0607 MEAN 69 75 77 72 68 MEAN 64 75 78 76 71 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 1 1 0 %>90 0 0 1 0 0 %>90 0 1 5 4 0 %>85 0 1 9 1 0 %>85 0 6 18 12 1 %>80 0 13 31 8 1 %>80 0 21 40 30 7 %>75 5 54 65 30 10 %>75 3 49 67 55 25 %>70 37 90 89 64 37 %>70 15 78 87 78 55 ASHEVILLE_NC ATLANTA_GA AVL 0603 0604 0605 0606 0607 ATL 0603 0604 0605 0606 0607 MEAN 65 68 71 74 74 MEAN 75 76 80 83 82 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 2 0 %>90 0 0 0 0 0 %>90 0 0 1 11 5 %>85 0 0 0 1 2 %>85 0 1 11 36 25 %>80 0 0 1 10 11 %>80 5 18 46 70 62 %>75 0 3 13 38 39 %>75 47 65 86 92 90 %>70 8 27 58 77 76 %>70 93 95 99 99 99 BALTIMORE_MD BIRMINGHAM_AL BWI 0603 0604 0605 0606 0607 BHM 0603 0604 0605 0606 0607 MEAN 70 75 80 82 78 MEAN 77 81 83 85 83 %>100 0 0 0 0 0 %>100 0 0 0 1 0 %>95 0 0 1 3 0 %>95 0 0 0 6 2 %>90 0 0 5 12 2 %>90 0 1 6 22 11 %>85 0 3 21 35 12 %>85 0 12 32 51 36 %>80 1 17 51 65 37 %>80 14 58 72 79 69 %>75 11 52 80 88 70 %>75 78 94 95 95 91 %>70 49 85 95 97 92 %>70 100 100 100 99 99 BOSTON_MA BUFFALO_NY BOS 0603 0604 0605 0606 0607 BUF 0603 0604 0605 0606 0607 MEAN 64 72 76 75 69 MEAN 66 74 73 68 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 1 1 0 %>90 0 0 0 0 0 %>85 0 1 7 7 0 %>85 0 1 2 0 0 %>80 0 7 24 23 4 %>80 0 9 10 2 0 %>75 0 28 54 51 17 %>75 3 42 33 12 4 %>70 7 62 82 79 44 %>70 20 84 67 38 21 CHARLESTON_SC CHARLESTON_WV CHS 0603 0604 0605 0606 0607 CRW 0603 0604 0605 0606 0607 MEAN 77 78 80 85 89 MEAN 69 77 79 78 74 %>100 0 0 0 0 3 %>100 0 0 0 0 0 %>95 0 0 0 4 14 %>95 0 0 0 0 0 %>90 0 0 1 20 40 %>90 0 0 1 2 0 %>85 0 2 13 52 72 %>85 0 4 11 10 2 %>80 15 29 55 83 92 %>80 0 26 42 34 14 %>75 73 82 92 97 99 %>75 5 69 80 67 45 %>70 99 99 100 100 100 %>70 40 95 97 90 79 CHARLOTTE_NC CHICAGO_IL CLT 0603 0604 0605 0606 0607 ORD 0603 0604 0605 0606 0607 MEAN 70 73 77 81 82 MEAN 76 71 62 63 65 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 0 0 0 0 0 %>90 0 0 0 4 6 %>90 0 1 0 0 0 %>85 0 0 2 23 28 %>85 2 5 0 0 0 %>80 0 2 19 59 65 %>80 20 15 0 0 0 %>75 5 26 67 89 92 %>75 61 33 2 1 3 %>70 48 79 96 99 99 %>70 90 55 11 8 17 CINCINNATI_OH CLEVELAND_OH LUK 0603 0604 0605 0606 0607 CLE 0603 0604 0605 0606 0607 MEAN 70 79 79 76 73 MEAN 70 76 76 69 67 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 1 0 0 %>90 0 1 2 1 0 %>90 0 0 3 0 0 %>85 0 10 13 5 2 %>85 0 2 10 0 0 %>80 0 41 42 22 11 %>80 0 16 28 4 0 %>75 7 80 77 56 38 %>75 7 55 53 17 5 %>70 47 97 95 85 72 %>70 47 90 77 45 25 COLUMBIA_SC COLUMBUS_OH CAE 0603 0604 0605 0606 0607 TZR 0603 0604 0605 0606 0607 MEAN 73 75 79 84 85 MEAN 69 78 78 74 71 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 2 3 %>95 0 0 0 0 0 %>90 0 0 0 13 18 %>90 0 1 2 0 0 %>85 0 0 6 41 51 %>85 0 6 11 2 1 %>80 2 8 37 74 83 %>80 1 31 37 13 5 %>75 27 52 82 94 97 %>75 9 71 72 42 22 %>70 83 93 98 99 100 %>70 44 95 93 77 54 DAYTON_OH DETROIT_MI MGY 0603 0604 0605 0606 0607 DET 0603 0604 0605 0606 0607 MEAN 70 79 79 74 72 MEAN 73 78 73 67 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 1 2 0 0 %>90 0 1 1 0 0 %>85 0 11 13 2 1 %>85 0 8 3 0 0 %>80 1 41 41 12 8 %>80 1 36 14 1 0 %>75 10 79 75 41 29 %>75 25 76 36 8 3 %>70 49 97 94 77 62 %>70 80 96 65 30 21 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0603 0604 0605 0606 0607 GRR 0603 0604 0605 0606 0607 MEAN 74 82 81 77 76 MEAN 74 75 66 65 64 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 2 0 0 %>95 0 0 0 0 0 %>90 0 4 9 1 1 %>90 0 2 0 0 0 %>85 0 24 29 7 7 %>85 1 8 0 0 0 %>80 5 66 59 28 25 %>80 10 24 1 0 0 %>75 41 94 84 61 55 %>75 41 49 6 3 1 %>70 88 100 96 88 83 %>70 79 75 25 18 12 GREENSBORO_NC HUNTSVILLE_AL GSO 0603 0604 0605 0606 0607 HSV 0603 0604 0605 0606 0607 MEAN 68 72 76 80 81 MEAN 76 81 83 84 81 %>100 0 0 0 0 0 %>100 0 0 0 1 0 %>95 0 0 0 0 0 %>95 0 0 1 6 1 %>90 0 0 0 3 4 %>90 0 2 9 19 7 %>85 0 0 1 17 22 %>85 0 16 33 42 26 %>80 0 1 13 53 56 %>80 12 54 68 69 56 %>75 1 16 57 86 86 %>75 61 89 92 89 84 %>70 28 69 93 98 98 %>70 96 99 99 97 96 INDIANAPOLIS_IN KNOXVILLE_TN IND 0603 0604 0605 0606 0607 TYS 0603 0604 0605 0606 0607 MEAN 72 80 77 72 71 MEAN 71 75 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 0 %>90 0 3 2 0 0 %>90 0 0 1 3 3 %>85 0 18 12 2 1 %>85 0 1 9 15 14 %>80 2 52 34 9 8 %>80 2 11 36 41 38 %>75 22 85 65 31 28 %>75 17 52 74 73 69 %>70 71 98 88 64 60 %>70 60 90 95 92 90 LEXINGTON_KY LOUISVILLE_KY LEX 0603 0604 0605 0606 0607 SDF 0603 0604 0605 0606 0607 MEAN 69 77 78 76 75 MEAN 71 80 80 77 76 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 1 0 0 %>90 0 0 0 0 0 %>90 0 1 4 1 1 %>85 0 1 7 3 3 %>85 0 10 20 7 7 %>80 0 20 36 21 16 %>80 1 48 52 29 24 %>75 3 73 79 60 46 %>75 15 88 83 64 54 %>70 39 98 97 90 79 %>70 63 99 97 90 82 MEMPHIS_TN MIAMI_FL MEM 0603 0604 0605 0606 0607 MIA 0603 0604 0605 0606 0607 MEAN 79 83 85 83 81 MEAN 85 88 88 88 89 %>100 0 0 1 0 0 %>100 0 2 1 0 1 %>95 0 0 4 2 1 %>95 2 10 8 6 9 %>90 0 3 20 11 6 %>90 14 34 34 35 43 %>85 0 30 51 36 23 %>85 49 67 75 80 84 %>80 38 78 81 68 54 %>80 85 91 96 98 99 %>75 98 98 96 91 83 %>75 98 99 100 100 100 %>70 100 100 100 98 96 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0603 0604 0605 0606 0607 MOB 0603 0604 0605 0606 0607 MEAN 72 62 57 58 60 MEAN 82 85 88 90 89 %>100 0 0 0 0 0 %>100 0 0 1 4 4 %>95 0 0 0 0 0 %>95 0 0 8 19 18 %>90 0 0 0 0 0 %>90 0 8 32 50 46 %>85 1 0 0 0 0 %>85 14 51 70 80 77 %>80 6 1 0 0 0 %>80 76 92 94 96 94 %>75 26 5 0 0 0 %>75 99 100 99 99 99 %>70 61 15 0 0 1 %>70 100 100 100 100 100 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0603 0604 0605 0606 0607 NYC 0603 0604 0605 0606 0607 MEAN 74 81 83 81 79 MEAN 68 74 78 79 75 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 1 1 0 %>95 0 0 0 1 0 %>90 0 1 10 7 3 %>90 0 1 3 4 1 %>85 0 15 37 26 15 %>85 0 4 13 17 5 %>80 4 58 72 58 43 %>80 1 17 36 43 20 %>75 40 92 94 85 76 %>75 8 43 66 73 50 %>70 90 100 99 97 94 %>70 34 73 88 92 80 NORFOLK_VA ORLANDO_FL ORF 0603 0604 0605 0606 0607 ORL 0603 0604 0605 0606 0607 MEAN 71 74 78 82 82 MEAN 83 84 84 87 88 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 2 3 %>95 0 1 0 4 7 %>90 0 0 1 9 12 %>90 7 10 6 25 34 %>85 0 1 7 30 33 %>85 34 41 44 65 76 %>80 1 9 32 62 62 %>80 76 80 89 93 97 %>75 12 41 72 88 86 %>75 97 97 100 99 100 %>70 56 82 95 98 97 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0603 0604 0605 0606 0607 PIT 0603 0604 0605 0606 0607 MEAN 69 74 79 81 77 MEAN 68 74 77 74 70 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 1 0 %>95 0 0 0 0 0 %>90 0 0 2 5 1 %>90 0 0 1 0 0 %>85 0 2 13 23 9 %>85 0 0 5 2 0 %>80 0 13 40 56 31 %>80 0 5 26 14 4 %>75 5 44 73 86 65 %>75 3 42 62 43 20 %>70 37 80 93 98 89 %>70 30 89 90 76 53 PORTLAND_ME PROVIDENCE_RI PWM 0603 0604 0605 0606 0607 PVD 0603 0604 0605 0606 0607 MEAN 58 66 70 68 65 MEAN 64 70 73 74 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 1 0 0 %>85 0 0 2 2 0 %>80 0 1 6 2 0 %>80 0 2 12 11 3 %>75 0 8 22 12 3 %>75 0 14 37 39 18 %>70 0 27 52 37 16 %>70 5 46 70 75 53 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0603 0604 0605 0606 0607 RIC 0603 0604 0605 0606 0607 MEAN 70 74 78 83 85 MEAN 69 74 79 83 83 %>100 0 0 0 0 2 %>100 0 0 0 0 0 %>95 0 0 0 2 7 %>95 0 0 0 1 2 %>90 0 0 1 11 23 %>90 0 0 1 10 12 %>85 0 1 9 37 49 %>85 0 1 11 36 35 %>80 1 9 37 72 76 %>80 0 11 42 71 65 %>75 10 41 76 93 92 %>75 6 44 80 93 88 %>70 52 82 96 99 98 %>70 43 83 97 99 98 SAVANNAH_GA TALLAHASSEE_FL SAV 0603 0604 0605 0606 0607 TLH 0603 0604 0605 0606 0607 MEAN 79 80 82 86 88 MEAN 83 85 87 88 89 %>100 0 0 0 0 2 %>100 0 0 1 1 2 %>95 0 0 0 4 12 %>95 0 1 6 10 13 %>90 0 1 3 21 39 %>90 1 13 28 36 43 %>85 2 9 23 56 73 %>85 28 52 66 72 78 %>80 33 47 65 86 93 %>80 88 89 92 93 96 %>75 87 88 93 98 99 %>75 100 99 99 99 100 %>70 100 99 100 100 100 %>70 100 100 100 100 100 TAMPA_FL WASHINGTON_DC TPA 0603 0604 0605 0606 0607 DCA 0603 0604 0605 0606 0607 MEAN 87 87 88 89 90 MEAN 70 76 81 84 79 %>100 1 1 1 2 3 %>100 0 0 0 1 0 %>95 7 7 8 13 17 %>95 0 0 1 4 0 %>90 28 28 33 41 50 %>90 0 0 6 16 4 %>85 63 64 70 75 84 %>85 0 4 26 42 18 %>80 90 90 93 94 97 %>80 1 21 59 73 46 %>75 99 99 99 99 100 %>75 11 58 86 92 77 %>70 100 100 100 100 100 %>70 52 89 98 99 94 URL IS WWW.WPC.NCEP.NOAA.GOV $$