FMUS23 KWNH 150653 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0651 UTC WED APR 15 2026 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED APR 15 2026 AKRON-CANTON_OH ALBANY_NY CAK 0418 0419 0420 0421 0422 ALB 0418 0419 0420 0421 0422 MEAN 67 45 39 50 57 MEAN 60 51 36 40 49 %>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 2 0 0 0 0 %>80 0 0 0 0 0 %>75 11 0 0 0 2 %>75 0 1 0 0 0 %>70 31 0 0 0 7 %>70 1 4 0 0 0 ASHEVILLE_NC ATLANTA_GA AVL 0418 0419 0420 0421 0422 ATL 0418 0419 0420 0421 0422 MEAN 70 56 49 53 57 MEAN 75 63 57 59 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 0 %>85 0 0 0 0 0 %>80 0 0 0 0 0 %>80 6 1 0 0 0 %>75 6 2 0 0 0 %>75 55 6 0 0 3 %>70 47 6 0 0 1 %>70 96 19 0 2 16 BALTIMORE_MD BIRMINGHAM_AL BWI 0418 0419 0420 0421 0422 BHM 0418 0419 0420 0421 0422 MEAN 69 61 46 51 61 MEAN 75 58 56 61 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 1 0 0 0 %>90 0 0 0 0 0 %>85 0 2 0 0 0 %>85 0 0 0 0 0 %>80 0 5 0 0 0 %>80 8 0 0 0 0 %>75 6 11 0 0 2 %>75 46 1 0 0 3 %>70 44 22 0 0 9 %>70 88 4 0 4 19 BOSTON_MA BUFFALO_NY BOS 0418 0419 0420 0421 0422 BUF 0418 0419 0420 0421 0422 MEAN 50 53 42 42 50 MEAN 62 44 34 43 49 %>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 0 0 0 %>75 1 0 0 0 0 %>70 0 1 0 0 0 %>70 8 0 0 0 0 CHARLESTON_SC CHARLESTON_WV CHS 0418 0419 0420 0421 0422 CRW 0418 0419 0420 0421 0422 MEAN 78 76 61 61 66 MEAN 73 53 47 56 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 5 0 0 0 %>85 1 0 0 0 0 %>80 17 24 0 0 0 %>80 9 0 0 0 0 %>75 87 60 0 0 1 %>75 33 1 0 0 2 %>70 100 90 4 2 16 %>70 70 3 0 2 9 CHARLOTTE_NC CHICAGO_IL CLT 0418 0419 0420 0421 0422 ORD 0418 0419 0420 0421 0422 MEAN 77 69 54 57 64 MEAN 57 42 46 57 58 %>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 0 3 0 0 0 %>85 1 0 0 0 0 %>80 14 10 0 0 0 %>80 2 0 0 0 1 %>75 72 24 0 0 2 %>75 5 0 0 0 4 %>70 99 45 0 1 12 %>70 11 0 0 2 11 CINCINNATI_OH CLEVELAND_OH LUK 0418 0419 0420 0421 0422 CLE 0418 0419 0420 0421 0422 MEAN 71 49 48 56 63 MEAN 63 44 40 52 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 2 0 0 0 0 %>85 0 0 0 0 0 %>80 8 0 0 0 1 %>80 1 0 0 0 1 %>75 27 0 0 0 5 %>75 5 0 0 0 2 %>70 56 0 0 1 17 %>70 17 0 0 1 7 COLUMBIA_SC COLUMBUS_OH CAE 0418 0419 0420 0421 0422 TZR 0418 0419 0420 0421 0422 MEAN 78 73 57 58 64 MEAN 69 47 43 54 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 1 0 0 0 %>90 0 0 0 0 0 %>85 1 5 0 0 0 %>85 1 0 0 0 0 %>80 25 18 0 0 0 %>80 6 0 0 0 1 %>75 91 40 0 0 2 %>75 20 0 0 0 3 %>70 100 67 1 1 13 %>70 46 0 0 1 11 DAYTON_OH DETROIT_MI MGY 0418 0419 0420 0421 0422 DET 0418 0419 0420 0421 0422 MEAN 70 47 46 55 62 MEAN 62 42 40 52 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 1 0 0 0 0 %>85 0 0 0 0 0 %>80 6 0 0 0 1 %>80 1 0 0 0 0 %>75 22 0 0 0 4 %>75 3 0 0 0 2 %>70 50 0 0 1 14 %>70 12 0 0 1 5 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0418 0419 0420 0421 0422 GRR 0418 0419 0420 0421 0422 MEAN 71 49 52 60 66 MEAN 60 38 39 52 54 %>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 5 0 0 0 0 %>85 1 0 0 0 0 %>80 14 0 0 0 2 %>80 3 0 0 0 0 %>75 30 0 0 0 10 %>75 7 0 0 0 1 %>70 53 0 0 4 28 %>70 17 0 0 0 3 GREENSBORO_NC HUNTSVILLE_AL GSO 0418 0419 0420 0421 0422 HSV 0418 0419 0420 0421 0422 MEAN 75 66 51 54 63 MEAN 75 56 54 60 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 1 0 0 0 %>90 1 0 0 0 0 %>85 0 3 0 0 0 %>85 5 0 0 0 0 %>80 7 8 0 0 0 %>80 21 0 0 0 1 %>75 52 19 0 0 2 %>75 51 0 0 0 4 %>70 94 34 0 0 11 %>70 80 3 0 4 20 INDIANAPOLIS_IN KNOXVILLE_TN IND 0418 0419 0420 0421 0422 TYS 0418 0419 0420 0421 0422 MEAN 68 45 48 57 63 MEAN 74 56 51 56 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 2 0 0 0 0 %>85 2 0 0 0 0 %>80 7 0 0 0 1 %>80 12 0 0 0 0 %>75 19 0 0 0 5 %>75 41 1 0 0 1 %>70 41 0 0 2 17 %>70 77 5 0 1 7 LEXINGTON_KY LOUISVILLE_KY LEX 0418 0419 0420 0421 0422 SDF 0418 0419 0420 0421 0422 MEAN 72 49 48 55 62 MEAN 72 50 51 58 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 2 0 0 0 0 %>85 2 0 0 0 0 %>80 10 0 0 0 0 %>80 11 0 0 0 1 %>75 31 0 0 0 1 %>75 34 0 0 0 6 %>70 61 0 0 0 8 %>70 65 0 0 2 21 MEMPHIS_TN MIAMI_FL MEM 0418 0419 0420 0421 0422 MIA 0418 0419 0420 0421 0422 MEAN 73 55 57 63 68 MEAN 82 83 81 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 1 0 0 0 0 %>90 0 0 0 0 0 %>85 5 0 0 0 0 %>85 11 21 11 0 0 %>80 17 0 0 1 1 %>80 82 87 64 5 4 %>75 41 0 0 3 8 %>75 100 100 98 60 50 %>70 68 1 0 14 33 %>70 100 100 100 98 95 MILWAUKEE_WI MOBILE_AL MKE 0418 0419 0420 0421 0422 MOB 0418 0419 0420 0421 0422 MEAN 51 38 41 51 52 MEAN 75 67 62 65 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 0 0 0 %>80 0 2 0 0 0 %>75 1 0 0 0 0 %>75 42 10 0 1 7 %>70 2 0 0 0 2 %>70 99 31 3 13 39 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0418 0419 0420 0421 0422 NYC 0418 0419 0420 0421 0422 MEAN 75 53 53 60 66 MEAN 61 56 43 46 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 2 0 0 0 0 %>90 0 0 0 0 0 %>85 9 0 0 0 0 %>85 0 0 0 0 0 %>80 26 0 0 0 1 %>80 0 0 0 0 0 %>75 53 0 0 0 7 %>75 0 1 0 0 0 %>70 78 1 0 4 24 %>70 3 5 0 0 2 NORFOLK_VA ORLANDO_FL ORF 0418 0419 0420 0421 0422 ORL 0418 0419 0420 0421 0422 MEAN 71 70 53 54 63 MEAN 79 80 73 70 71 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 1 0 0 0 %>95 0 0 0 0 0 %>90 0 2 0 0 0 %>90 0 0 0 0 0 %>85 0 6 0 0 0 %>85 0 2 0 0 0 %>80 4 15 0 0 0 %>80 33 50 2 0 0 %>75 23 29 0 0 2 %>75 96 98 27 10 11 %>70 60 48 0 1 12 %>70 100 100 78 53 59 PHILADELPHIA_PA PITTSBURGH_PA PHL 0418 0419 0420 0421 0422 PIT 0418 0419 0420 0421 0422 MEAN 68 60 44 47 58 MEAN 69 50 41 50 58 %>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 0 0 0 0 %>80 1 4 0 0 0 %>80 4 0 0 0 0 %>75 7 10 0 0 1 %>75 16 1 0 0 2 %>70 34 20 0 0 5 %>70 43 2 0 0 7 PORTLAND_ME PROVIDENCE_RI PWM 0418 0419 0420 0421 0422 PVD 0418 0419 0420 0421 0422 MEAN 46 46 39 37 45 MEAN 54 53 42 40 49 %>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 0 0 0 %>75 0 0 0 0 0 %>70 0 0 0 0 0 %>70 0 1 0 0 0 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0418 0419 0420 0421 0422 RIC 0418 0419 0420 0421 0422 MEAN 78 72 54 56 64 MEAN 76 70 51 55 64 %>100 0 1 0 0 0 %>100 0 1 0 0 0 %>95 0 2 0 0 0 %>95 0 2 0 0 0 %>90 0 5 0 0 0 %>90 0 5 0 0 0 %>85 0 11 0 0 0 %>85 0 10 0 0 0 %>80 19 23 0 0 0 %>80 10 20 0 0 0 %>75 86 38 0 0 2 %>75 59 33 0 0 3 %>70 100 56 0 1 14 %>70 95 49 0 1 15 SAVANNAH_GA TALLAHASSEE_FL SAV 0418 0419 0420 0421 0422 TLH 0418 0419 0420 0421 0422 MEAN 78 76 62 62 67 MEAN 73 73 65 66 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 1 2 0 0 0 %>85 0 0 0 0 0 %>80 26 19 0 0 0 %>80 0 4 0 0 0 %>75 86 59 1 0 2 %>75 19 31 2 2 6 %>70 100 91 6 3 21 %>70 93 78 15 19 38 TAMPA_FL WASHINGTON_DC TPA 0418 0419 0420 0421 0422 DCA 0418 0419 0420 0421 0422 MEAN 80 79 75 73 73 MEAN 72 63 47 53 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 1 0 0 0 %>85 2 0 1 0 0 %>85 0 4 0 0 0 %>80 43 31 11 4 3 %>80 3 8 0 0 1 %>75 95 96 50 34 30 %>75 24 16 0 0 4 %>70 100 100 90 81 81 %>70 71 28 0 1 16 URL IS WWW.WPC.NCEP.NOAA.GOV $$