


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
308 FMUS23 KWNH 210741 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0739 UTC MON APR 21 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM MON APR 21 2025 AKRON-CANTON_OH ALBANY_NY CAK 0424 0425 0426 0427 0428 ALB 0424 0425 0426 0427 0428 MIN 50 59 51 39 44 MIN 40 47 53 41 39 %>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 1 0 0 %>70 0 0 0 0 0 ASHEVILLE_NC ATLANTA_GA AVL 0424 0425 0426 0427 0428 ATL 0424 0425 0426 0427 0428 MIN 57 57 58 53 50 MIN 63 63 65 62 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 0 0 0 0 0 %>75 0 0 0 0 0 %>70 0 0 0 0 0 %>70 0 0 2 2 4 BALTIMORE_MD BIRMINGHAM_AL BWI 0424 0425 0426 0427 0428 BHM 0424 0425 0426 0427 0428 MIN 52 53 62 49 46 MIN 63 64 65 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 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 1 %>70 0 0 1 0 0 %>70 0 1 3 4 7 BOSTON_MA BUFFALO_NY BOS 0424 0425 0426 0427 0428 BUF 0424 0425 0426 0427 0428 MIN 43 46 51 45 41 MIN 42 52 48 38 39 %>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 CHARLESTON_SC CHARLESTON_WV CHS 0424 0425 0426 0427 0428 CRW 0424 0425 0426 0427 0428 MIN 66 66 66 65 62 MIN 56 60 59 45 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 2 2 %>75 0 0 0 0 0 %>70 9 8 13 16 10 %>70 0 0 1 0 0 CHARLOTTE_NC CHICAGO_IL CLT 0424 0425 0426 0427 0428 ORD 0424 0425 0426 0427 0428 MIN 62 62 63 57 53 MIN 51 55 43 42 50 %>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 2 1 %>70 0 1 0 0 0 CINCINNATI_OH CLEVELAND_OH LUK 0424 0425 0426 0427 0428 CLE 0424 0425 0426 0427 0428 MIN 54 61 56 44 52 MIN 50 58 50 42 46 %>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 2 0 1 %>70 0 0 0 0 0 COLUMBIA_SC COLUMBUS_OH CAE 0424 0425 0426 0427 0428 TZR 0424 0425 0426 0427 0428 MIN 63 63 63 61 56 MIN 53 60 54 41 48 %>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 0 0 %>70 1 1 3 5 3 %>70 0 0 2 0 0 DAYTON_OH DETROIT_MI MGY 0424 0425 0426 0427 0428 DET 0424 0425 0426 0427 0428 MIN 54 61 54 43 51 MIN 48 55 47 40 44 %>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 2 0 0 %>70 0 0 0 0 0 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0424 0425 0426 0427 0428 GRR 0424 0425 0426 0427 0428 MIN 58 63 56 50 59 MIN 50 55 42 39 44 %>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 1 %>75 0 0 0 0 0 %>70 0 0 2 0 5 %>70 0 0 0 0 0 GREENSBORO_NC HUNTSVILLE_AL GSO 0424 0425 0426 0427 0428 HSV 0424 0425 0426 0427 0428 MIN 60 61 63 53 49 MIN 63 64 64 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 0 %>80 0 0 0 0 0 %>75 0 0 0 0 0 %>75 0 0 0 0 0 %>70 0 1 0 1 0 %>70 0 0 1 1 4 INDIANAPOLIS_IN KNOXVILLE_TN IND 0424 0425 0426 0427 0428 TYS 0424 0425 0426 0427 0428 MIN 55 62 50 44 53 MIN 59 60 62 55 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 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 1 LEXINGTON_KY LOUISVILLE_KY LEX 0424 0425 0426 0427 0428 SDF 0424 0425 0426 0427 0428 MIN 55 61 58 45 54 MIN 56 62 57 47 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 0 0 0 %>75 0 0 0 0 0 %>75 0 0 0 0 0 %>70 0 0 1 0 1 %>70 0 0 2 0 3 MEMPHIS_TN MIAMI_FL MEM 0424 0425 0426 0427 0428 MIA 0424 0425 0426 0427 0428 MIN 64 67 64 60 66 MIN 73 74 74 73 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 0 0 0 0 0 %>75 0 0 0 1 3 %>75 29 40 38 33 42 %>70 0 7 5 5 22 %>70 85 93 90 85 92 MILWAUKEE_WI MOBILE_AL MKE 0424 0425 0426 0427 0428 MOB 0424 0425 0426 0427 0428 MIN 44 47 40 39 43 MIN 67 67 67 66 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 0 0 %>75 0 1 0 0 1 %>70 0 0 0 0 0 %>70 13 18 16 9 17 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0424 0425 0426 0427 0428 NYC 0424 0425 0426 0427 0428 MIN 61 64 63 55 60 MIN 50 50 56 48 45 %>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 1 %>75 0 0 0 0 0 %>70 0 0 3 1 5 %>70 0 0 0 0 0 NORFOLK_VA ORLANDO_FL ORF 0424 0425 0426 0427 0428 ORL 0424 0425 0426 0427 0428 MIN 56 60 64 56 53 MIN 66 67 67 67 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 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 1 1 3 %>70 0 0 0 0 0 %>70 15 17 20 20 30 PHILADELPHIA_PA PITTSBURGH_PA PHL 0424 0425 0426 0427 0428 PIT 0424 0425 0426 0427 0428 MIN 49 50 59 48 43 MIN 51 58 54 40 43 %>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 2 0 0 PORTLAND_ME PROVIDENCE_RI PWM 0424 0425 0426 0427 0428 PVD 0424 0425 0426 0427 0428 MIN 39 40 43 39 39 MIN 43 45 50 44 39 %>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 0424 0425 0426 0427 0428 RIC 0424 0425 0426 0427 0428 MIN 61 62 64 55 50 MIN 52 56 63 51 46 %>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 1 0 1 0 %>70 0 0 2 0 0 SAVANNAH_GA TALLAHASSEE_FL SAV 0424 0425 0426 0427 0428 TLH 0424 0425 0426 0427 0428 MIN 67 66 66 66 64 MIN 63 65 64 65 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 1 1 3 %>75 0 0 1 1 1 %>70 15 13 16 16 15 %>70 4 7 8 11 15 TAMPA_FL WASHINGTON_DC TPA 0424 0425 0426 0427 0428 DCA 0424 0425 0426 0427 0428 MIN 69 69 70 70 70 MIN 52 54 64 50 46 %>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 1 2 4 %>75 0 0 0 0 0 %>70 50 49 57 55 61 %>70 0 0 4 0 0 URL IS WWW.WPC.NCEP.NOAA.GOV $$