FMUS23 KWNH 200743 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0741 UTC WED MAY 20 2026 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM WED MAY 20 2026 AKRON-CANTON_OH ALBANY_NY CAK 0523 0524 0525 0526 0527 ALB 0523 0524 0525 0526 0527 MIN 55 61 62 61 63 MIN 46 45 49 53 55 %>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 1 2 %>75 0 0 0 0 0 %>70 0 3 2 5 12 %>70 0 0 0 0 0 ASHEVILLE_NC ATLANTA_GA AVL 0523 0524 0525 0526 0527 ATL 0523 0524 0525 0526 0527 MIN 61 62 62 62 62 MIN 68 69 68 68 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 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 2 4 3 4 %>70 0 1 1 2 2 %>70 25 31 32 32 29 BALTIMORE_MD BIRMINGHAM_AL BWI 0523 0524 0525 0526 0527 BHM 0523 0524 0525 0526 0527 MIN 50 55 60 63 64 MIN 68 68 68 68 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 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 1 %>75 0 0 1 1 1 %>75 2 5 7 6 7 %>70 0 0 6 10 10 %>70 30 32 33 32 30 BOSTON_MA BUFFALO_NY BOS 0523 0524 0525 0526 0527 BUF 0523 0524 0525 0526 0527 MIN 48 47 49 52 54 MIN 48 51 55 54 55 %>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 1 %>70 0 0 0 0 0 CHARLESTON_SC CHARLESTON_WV CHS 0523 0524 0525 0526 0527 CRW 0523 0524 0525 0526 0527 MIN 75 75 74 74 73 MIN 62 63 64 64 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 0 0 %>85 0 0 0 0 0 %>80 0 0 1 1 3 %>80 0 0 0 0 0 %>75 54 58 45 38 31 %>75 0 0 0 0 0 %>70 97 98 93 89 78 %>70 1 3 7 8 7 CHARLOTTE_NC CHICAGO_IL CLT 0523 0524 0525 0526 0527 ORD 0523 0524 0525 0526 0527 MIN 64 65 66 67 66 MIN 52 55 56 59 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 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 1 %>80 0 0 0 00 %>75 1 3 5 5 6 %>75 0 0 0 0 1 %>70 12 17 23 27 26 %>70 0 0 0 3 8 CINCINNATI_OH CLEVELAND_OH LUK 0523 0524 0525 0526 0527 CLE 0523 0524 0525 0526 0527 MIN 65 64 65 65 67 MIN 58 62 63 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 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 0 %>80 0 0 0 0 1 %>75 0 0 0 1 3 %>75 0 0 0 1 4 %>70 3 4 8 12 23 %>70 0 5 4 9 18 COLUMBIA_SC COLUMBUS_OH CAE 0523 0524 0525 0526 0527 TZR 0523 0524 0525 0526 0527 MIN 70 70 70 70 69 MIN 63 63 64 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 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 1 1 %>80 0 0 0 0 0 %>75 5 6 8 11 9 %>75 0 0 0 1 2 %>70 46 49 47 46 40 %>70 2 5 5 8 17 DAYTON_OH DETROIT_MI MGY 0523 0524 0525 0526 0527 DET 0523 0524 0525 0526 0527 MIN 64 64 65 65 67 MIN 54 56 58 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 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 1 5 %>75 0 0 0 0 0 %>70 2 4 8 12 26 %>70 0 1 0 1 5 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0523 0524 0525 0526 0527 GRR 0523 0524 0525 0526 0527 MIN 65 66 67 68 69 MIN 51 52 54 57 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 0 0 0 0 %>80 0 0 0 0 0 %>75 1 0 0 2 7 %>75 0 0 0 0 0 %>70 11 13 16 26 43 %>70 0 0 0 0 2 GREENSBORO_NC HUNTSVILLE_AL GSO 0523 0524 0525 0526 0527 HSV 0523 0524 0525 0526 0527 MIN 59 63 65 66 66 MIN 67 67 67 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 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 2 3 3 3 %>75 1 1 2 2 3 %>70 3 11 17 21 20 %>70 17 18 22 21 21 INDIANAPOLIS_IN KNOXVILLE_TN IND 0523 0524 0525 0526 0527 TYS 0523 0524 0525 0526 0527 MIN 63 63 64 65 67 MIN 67 66 66 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 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 1 5 %>75 0 0 0 0 0 %>70 3 4 7 12 28 %>70 12 6 10 99 LEXINGTON_KY LOUISVILLE_KY LEX 0523 0524 0525 0526 0527 SDF 0523 0524 0525 0526 0527 MIN 64 64 65 65 66 MIN 66 66 67 67 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 0 0 0 0 %>75 0 0 0 1 1 %>75 0 0 0 2 6 %>70 6 6 8 12 14 %>70 6 10 17 23 38 MEMPHIS_TN MIAMI_FL MEM 0523 0524 0525 0526 0527 MIA 0523 0524 0525 0526 0527 MIN 68 68 69 69 70 MIN 83 84 83 83 83 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 2 1 1 1 1 %>90 0 0 0 0 0 %>90 11 10 7 8 9 %>85 0 0 0 0 0 %>85 35 36 33 34 35 %>80 0 0 0 0 0 %>80 72 78 73 72 70 %>75 1 1 1 3 5 %>75 96 97 96 95 93 %>70 28 30 31 34 45 %>70 100 100 100 100 99 MILWAUKEE_WI MOBILE_AL MKE 0523 0524 0525 0526 0527 MOB 0523 0524 0525 0526 0527 MIN 47 50 51 54 55 MIN 75 76 75 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 1 2 5 3 3 %>75 0 0 0 0 0 %>75 53 62 53 42 36 %>70 0 0 0 0 0 %>70 100 100 97 93 86 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0523 0524 0525 0526 0527 NYC 0523 0524 0525 0526 0527 MIN 66 66 67 67 67 MIN 49 51 55 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 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 1 1 2 3 %>75 0 0 0 0 0 %>70 14 15 21 21 25 %>70 0 0 0 1 3 NORFOLK_VA ORLANDO_FL ORF 0523 0524 0525 0526 0527 ORL 0523 0524 0525 0526 0527 MIN 65 69 70 71 70 MIN 77 77 76 76 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 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 3 2 2 2 %>75 0 4 8 8 7 %>75 92 86 80 75 74 %>70 4 43 46 60 47 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0523 0524 0525 0526 0527 PIT 0523 0524 0525 0526 0527 MIN 48 51 56 60 61 MIN 53 60 63 63 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 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 0 %>80 0 0 0 0 0 %>75 0 0 0 1 0 %>75 0 0 0 1 2 %>70 0 0 2 5 4 %>70 0 4 4 7 12 PORTLAND_ME PROVIDENCE_RI PWM 0523 0524 0525 0526 0527 PVD 0523 0524 0525 0526 0527MIN 45 44 44 47 49 MIN 46 47 50 54 55 %>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 0 0 0 0 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0523 0524 0525 0526 0527 RIC 0523 0524 0525 0526 0527 MIN 64 67 68 69 68 MIN 55 61 65 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 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 1 %>80 0 0 1 1 1 %>75 1 5 6 6 9 %>75 0 2 5 7 5 %>70 8 26 33 42 37 %>70 0 10 20 28 23 SAVANNAH_GA TALLAHASSEE_FL SAV 0523 0524 0525 0526 0527 TLH 0523 0524 0525 0526 0527 MIN 75 75 75 74 73 MIN 74 75 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 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 2 3 2 3 3 %>80 0 1 2 1 1 %>75 58 55 52 41 31 %>75 29 44 53 38 25 %>70 98 97 94 88 78 %>70 98 98 99 96 87 TAMPA_FL WASHINGTON_DC TPA 0523 0524 0525 0526 0527 DCA 0523 0524 0525 0526 0527 MIN 79 79 78 78 78 MIN 51 57 61 65 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 1 0 0 0 0 %>90 0 0 0 0 0 %>85 6 5 1 1 1 %>85 0 0 0 0 0 %>80 35 33 24 22 23 %>80 0 0 0 0 0 %>75 92 87 85 82 82 %>75 0 0 2 2 2 %>70 100 100 100 100 100 %>70 0 1 10 15 15 URL IS WWW.WPC.NCEP.NOAA.GOV $$