Heat Index Forecast Tables
Issued by NWS
Issued by NWS
600 FMUS23 KWNH 181544 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1542 UTC SAT MAY 18 2024 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SAT MAY 18 2024 AKRON-CANTON_OH ALBANY_NY CAK 0521 0522 0523 0524 0525 ALB 0521 0522 0523 0524 0525 MEAN 74 75 66 62 64 MEAN 73 75 72 63 61 %>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 0 0 0 %>85 0 1 1 0 0 %>80 2 13 1 0 1 %>80 5 10 9 0 0 %>75 31 50 8 2 4 %>75 28 46 31 3 1 %>70 87 87 28 9 17 %>70 72 86 64 13 8 ASHEVILLE_NC ATLANTA_GA AVL 0521 0522 0523 0524 0525 ATL 0521 0522 0523 0524 0525 MEAN 68 70 71 69 68 MEAN 74 76 78 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 0 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 3 2 3 %>80 0 0 2 0 1 %>80 1 11 29 22 25 %>75 1 5 18 7 7 %>75 32 58 78 72 69 %>70 24 49 61 39 35 %>70 92 95 98 98 96 BALTIMORE_MD BIRMINGHAM_AL BWI 0521 0522 0523 0524 0525 BHM 0521 0522 0523 0524 0525 MEAN 68 71 75 69 67 MEAN 77 78 79 79 80 %>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 2 %>85 0 0 2 0 0 %>85 1 5 10 8 14 %>80 0 2 15 2 1 %>80 15 35 44 38 47 %>75 1 18 51 12 9 %>75 72 80 84 79 82 %>70 22 61 86 40 31 %>70 99 98 98 97 97 BOSTON_MA BUFFALO_NY BOS 0521 0522 0523 0524 0525 BUF 0521 0522 0523 0524 0525 MEAN 66 69 70 65 60 MEAN 73 75 64 59 59 %>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 1 0 0 0 %>80 1 2 4 1 0 %>80 5 13 1 0 0 %>75 7 14 19 5 1 %>75 34 51 4 1 1 %>70 25 42 50 19 5 %>70 82 88 17 5 6 CHARLESTON_SC CHARLESTON_WV CHS 0521 0522 0523 0524 0525 CRW 0521 0522 0523 0524 0525 MEAN 73 77 82 83 82 MEAN 75 77 74 69 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 3 3 3 %>90 0 1 0 0 0 %>85 0 1 25 27 23 %>85 1 7 2 0 1 %>80 1 17 71 78 68 %>80 13 31 13 4 6 %>75 26 73 96 99 95 %>75 54 68 41 16 22 %>70 88 99 100 100 100 %>70 91 93 75 43 51 CHARLOTTE_NC CHICAGO_IL CLT 0521 0522 0523 0524 0525 ORD 0521 0522 0523 0524 0525 MEAN 71 74 78 76 75 MEAN 76 68 62 62 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 1 0 0 0 0 %>85 0 0 4 1 2 %>85 8 0 0 0 0 %>80 0 4 31 14 14 %>80 27 3 0 0 2 %>75 11 36 79 57 48 %>75 57 14 1 3 7 %>70 63 87 98 92 83 %>70 82 39 6 11 19 CINCINNATI_OH CLEVELAND_OH LUK 0521 0522 0523 0524 0525 CLE 0521 0522 0523 0524 0525 MEAN 77 78 71 67 70 MEAN 75 75 65 62 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 1 0 0 0 %>90 0 0 0 0 0 %>85 1 9 1 0 1 %>85 0 2 0 0 0 %>80 19 34 5 2 5 %>80 8 15 1 0 1 %>75 71 70 22 10 20 %>75 47 50 7 2 4 %>70 98 93 54 33 47 %>70 89 85 23 10 16 COLUMBIA_SC COLUMBUS_OH CAE 0521 0522 0523 0524 0525 TZR 0521 0522 0523 0524 0525 MEAN 72 75 80 79 79 MEAN 76 77 69 65 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 1 %>90 0 1 0 0 0 %>85 0 0 10 6 9 %>85 0 6 0 0 0 %>80 0 5 53 40 38 %>80 10 28 3 0 3 %>75 13 48 93 84 78 %>75 56 65 14 3 11 %>70 76 94 100 99 97 %>70 95 92 41 17 32 DAYTON_OH DETROIT_MI MGY 0521 0522 0523 0524 0525 DET 0521 0522 0523 0524 0525 MEAN 77 78 69 66 68 MEAN 77 76 64 61 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 1 0 0 0 %>90 0 0 0 0 0 %>85 1 8 0 0 0 %>85 1 2 0 0 0 %>80 17 33 3 1 3 %>80 18 17 0 0 1 %>75 70 69 15 7 14 %>75 66 55 3 1 5 %>70 98 93 44 26 38 %>70 96 88 15 8 17 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0521 0522 0523 0524 0525 GRR 0521 0522 0523 0524 0525 MEAN 80 79 71 72 73 MEAN 75 69 59 59 61 %>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 2 0 0 0 %>90 0 0 0 0 0 %>85 3 12 0 1 3 %>85 1 1 0 0 0 %>80 49 41 5 8 14 %>80 13 6 0 0 0 %>75 96 76 25 28 39 %>75 50 20 0 1 3 %>70 100 95 61 61 69 %>70 87 46 4 5 10 GREENSBORO_NC HUNTSVILLE_AL GSO 0521 0522 0523 0524 0525 HSV 0521 0522 0523 0524 0525 MEAN 69 72 76 73 72 MEAN 78 79 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 0 0 0 0 0 %>90 0 1 1 1 2 %>85 0 0 1 0 1 %>85 2 10 10 6 11 %>80 0 1 15 6 6 %>80 26 44 38 28 37 %>75 2 19 60 34 27 %>75 79 83 74 65 71 %>70 35 74 94 76 62 %>70 99 98 95 91 93 INDIANAPOLIS_IN KNOXVILLE_TN IND 0521 0522 0523 0524 0525 TYS 0521 0522 0523 0524 0525 MEAN 78 76 67 66 68 MEAN 74 75 75 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 1 0 0 0 %>90 0 0 0 0 0 %>85 3 5 0 0 1 %>85 0 1 2 0 1 %>80 28 25 1 1 4 %>80 5 12 16 5 8 %>75 79 59 8 7 17 %>75 43 54 49 29 33 %>70 99 88 31 27 41 %>70 90 92 84 70 71 LEXINGTON_KY LOUISVILLE_KY LEX 0521 0522 0523 0524 0525 SDF 0521 0522 0523 0524 0525 MEAN 76 77 72 69 71 MEAN 78 78 72 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 2 0 0 0 %>85 0 4 1 0 1 %>85 1 11 2 0 2 %>80 10 26 8 2 7 %>80 23 38 10 3 9 %>75 61 66 31 14 25 %>75 78 73 33 17 30 %>70 97 93 65 42 57 %>70 99 93 65 48 61 MEMPHIS_TN MIAMI_FL MEM 0521 0522 0523 0524 0525 MIA 0521 0522 0523 0524 0525 MEAN 81 82 77 77 80 MEAN 86 87 89 90 90 %>100 0 0 0 0 0 %>100 0 0 1 2 2 %>95 0 1 0 0 0 %>95 2 3 8 14 15 %>90 1 8 1 1 4 %>90 18 21 36 49 50 %>85 14 30 7 6 17 %>85 59 65 78 85 86 %>80 66 65 31 30 47 %>80 91 95 97 98 99 %>75 97 90 67 69 78 %>75 99 100 100 100 100 %>70 100 99 92 93 95 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0521 0522 0523 0524 0525 MOB 0521 0522 0523 0524 0525 MEAN 66 63 57 55 58 MEAN 80 80 81 83 85 %>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 8 %>85 0 0 0 0 0 %>85 0 1 9 22 48 %>80 3 0 0 0 0 %>80 41 46 67 84 91 %>75 11 3 0 0 1 %>75 99 98 99 100 100 %>70 29 12 1 1 4 %>70 100 100 100 100 100 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0521 0522 0523 0524 0525 NYC 0521 0522 0523 0524 0525 MEAN 77 79 75 74 75 MEAN 66 69 72 67 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 1 0 0 0 %>90 0 0 0 0 0 %>85 1 10 2 2 4 %>85 0 0 1 0 0 %>80 19 42 16 13 20 %>80 1 3 8 1 0 %>75 78 82 53 42 51 %>75 7 15 29 6 2 %>70 99 98 87 77 82 %>70 26 41 62 26 12 NORFOLK_VA ORLANDO_FL ORF 0521 0522 0523 0524 0525 ORL 0521 0522 0523 0524 0525 MEAN 63 69 75 73 71 MEAN 80 82 84 87 87 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 2 2 %>90 0 0 0 0 0 %>90 0 0 5 22 21 %>85 0 0 2 0 0 %>85 2 13 42 69 71 %>80 0 1 15 5 4 %>80 42 69 90 96 97 %>75 0 9 54 29 22 %>75 97 98 100 100 100 %>70 2 39 90 71 59 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0521 0522 0523 0524 0525 PIT 0521 0522 0523 0524 0525 MEAN 67 70 74 68 65 MEAN 73 75 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 2 1 0 %>85 0 2 0 0 0 %>80 0 2 13 4 1 %>80 1 15 3 0 1 %>75 2 15 40 14 7 %>75 27 54 16 3 7 %>70 25 49 74 37 23 %>70 84 89 44 14 22 PORTLAND_ME PROVIDENCE_RI PWM 0521 0522 0523 0524 0525 PVD 0521 0522 0523 0524 0525 MEAN 62 67 67 61 57 MEAN 63 65 67 64 60 %>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 0 0 %>80 0 0 0 0 0 %>75 1 7 7 1 0 %>75 1 2 4 2 0 %>70 8 28 27 6 1 %>70 8 14 24 13 4 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0521 0522 0523 0524 0525 RIC 0521 0522 0523 0524 0525 MEAN 69 74 79 77 75 MEAN 68 72 78 73 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 1 0 0 %>85 0 0 7 3 4 %>85 0 0 7 2 2 %>80 0 3 40 23 18 %>80 0 3 36 13 8 %>75 3 36 84 65 49 %>75 1 27 77 39 28 %>70 43 87 99 93 81 %>70 22 72 97 73 58 SAVANNAH_GA TALLAHASSEE_FL SAV 0521 0522 0523 0524 0525 TLH 0521 0522 0523 0524 0525 MEAN 74 77 82 83 82 MEAN 78 80 83 84 85 %>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 1 4 9 %>85 0 1 23 33 25 %>85 0 4 22 34 47 %>80 2 19 71 83 74 %>80 17 50 79 83 89 %>75 39 78 97 99 97 %>75 84 96 99 99 99 %>70 94 99 100 100 100 %>70 100 100 100 100 100 TAMPA_FL WASHINGTON_DC TPA 0521 0522 0523 0524 0525 DCA 0521 0522 0523 0524 0525 MEAN 83 84 87 89 89 MEAN 68 73 76 69 68 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 3 6 6 %>95 0 0 0 0 0 %>90 3 6 23 36 39 %>90 0 0 0 0 0 %>85 26 41 68 80 84 %>85 0 0 4 0 0 %>80 75 88 95 98 99 %>80 0 4 22 4 3 %>75 98 99 100 100 100 %>75 2 28 60 18 13 %>70 100 100 100 100 100 %>70 29 72 90 46 37 URL IS WWW.WPC.NCEP.NOAA.GOV $$