


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
962 FMUS23 KWNH 181656 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1654 UTC FRI APR 18 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM FRI APR 18 2025 AKRON-CANTON_OH ALBANY_NY CAK 0421 0422 0423 0424 0425 ALB 0421 0422 0423 0424 0425 MIN 53 47 44 50 54 MIN 35 46 40 43 47 %>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 ASHEVILLE_NC ATLANTA_GA AVL 0421 0422 0423 0424 0425 ATL 0421 0422 0423 0424 0425 MIN 56 58 55 55 57 MIN 62 65 62 63 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 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 2 3 0 0 1 BALTIMORE_MD BIRMINGHAM_AL BWI 0421 0422 0423 0424 0425 BHM 0421 0422 0423 0424 0425 MIN 52 59 53 53 55 MIN 62 64 62 63 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 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 1 0 0 1 1 BOSTON_MA BUFFALO_NY BOS 0421 0422 0423 0424 0425 BUF 0421 0422 0423 0424 0425 MIN 39 45 45 45 48 MIN 39 44 39 44 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 0 0 0 %>70 0 0 0 0 0 CHARLESTON_SC CHARLESTON_WV CHS 0421 0422 0423 0424 0425 CRW 0421 0422 0423 0424 0425 MIN 64 66 67 67 67 MIN 64 56 50 56 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 2 10 14 14 12 %>70 5 0 0 0 1 CHARLOTTE_NC CHICAGO_IL CLT 0421 0422 0423 0424 0425 ORD 0421 0422 0423 0424 0425 MIN 60 64 61 62 63 MIN 48 40 50 50 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 1 4 1 0 1 %>70 0 0 0 0 0 CINCINNATI_OH CLEVELAND_OH LUK 0421 0422 0423 0424 0425 CLE 0421 0422 0423 0424 0425 MIN 62 49 50 54 59 MIN 49 47 46 50 52 %>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 1 0 0 0 2 %>70 0 0 0 0 0 COLUMBIA_SC COLUMBUS_OH CAE 0421 0422 0423 0424 0425 TZR 0421 0422 0423 0424 0425 MIN 60 64 63 63 63 MIN 58 48 48 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 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 1 6 5 4 5 %>70 0 0 0 0 2 DAYTON_OH DETROIT_MI MGY 0421 0422 0423 0424 0425 DET 0421 0422 0423 0424 0425 MIN 61 48 49 53 59 MIN 45 42 46 49 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 1 0 0 0 2 %>70 0 0 0 0 0 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0421 0422 0423 0424 0425 GRR 0421 0422 0423 0424 0425 MIN 63 50 53 58 62 MIN 46 38 45 47 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 3 0 0 0 3 %>70 0 0 0 0 0 GREENSBORO_NC HUNTSVILLE_AL GSO 0421 0422 0423 0424 0425 HSV 0421 0422 0423 0424 0425 MIN 60 63 59 60 62 MIN 65 63 61 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 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 1 3 0 0 1 %>70 7 1 0 0 1 INDIANAPOLIS_IN KNOXVILLE_TN IND 0421 0422 0423 0424 0425 TYS 0421 0422 0423 0424 0425 MIN 61 46 51 54 59 MIN 62 61 58 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 1 0 0 0 3 %>70 1 0 0 0 0 LEXINGTON_KY LOUISVILLE_KY LEX 0421 0422 0423 0424 0425 SDF 0421 0422 0423 0424 0425 MIN 63 50 50 55 60 MIN 64 50 51 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 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 2 0 0 0 1 %>70 2 0 0 0 2 MEMPHIS_TN MIAMI_FL MEM 0421 0422 0423 0424 0425 MIA 0421 0422 0423 0424 0425 MIN 65 57 60 65 67 MIN 73 73 74 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 0 0 0 0 0 %>75 0 0 0 0 0 %>75 22 25 37 37 44 %>70 7 0 1 2 8 %>70 89 87 91 91 95 MILWAUKEE_WI MOBILE_AL MKE 0421 0422 0423 0424 0425 MOB 0421 0422 0423 0424 0425 MIN 42 38 42 44 44 MIN 67 68 66 67 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 1 0 1 1 %>70 0 0 0 0 0 %>70 21 23 14 16 20 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0421 0422 0423 0424 0425 NYC 0421 0422 0423 0424 0425 MIN 66 56 56 60 64 MIN 44 51 49 50 52 %>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 9 0 0 0 1 %>70 0 0 0 0 0 NORFOLK_VA ORLANDO_FL ORF 0421 0422 0423 0424 0425 ORL 0421 0422 0423 0424 0425 MIN 58 64 60 58 60 MIN 66 66 67 68 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 0 0 1 0 1 %>70 0 0 0 0 0 %>70 6 8 17 20 23 PHILADELPHIA_PA PITTSBURGH_PA PHL 0421 0422 0423 0424 0425 PIT 0421 0422 0423 0424 0425 MIN 46 55 50 50 52 MIN 55 51 45 50 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 1 PORTLAND_ME PROVIDENCE_RI PWM 0421 0422 0423 0424 0425 PVD 0421 0422 0423 0424 0425 MIN 36 39 39 40 41 MIN 39 45 44 45 47 %>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 0421 0422 0423 0424 0425 RIC 0421 0422 0423 0424 0425 MIN 61 65 62 61 62 MIN 56 64 57 54 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 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 1 4 1 1 2 %>70 0 7 1 1 2 SAVANNAH_GA TALLAHASSEE_FL SAV 0421 0422 0423 0424 0425 TLH 0421 0422 0423 0424 0425 MIN 64 65 66 67 67 MIN 62 62 62 64 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 0 %>75 0 0 1 0 0 %>75 0 0 0 0 0 %>70 4 10 15 19 17 %>70 1 2 3 5 8 TAMPA_FL WASHINGTON_DC TPA 0421 0422 0423 0424 0425 DCA 0421 0422 0423 0424 0425 MIN 69 69 69 69 70 MIN 54 62 54 54 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 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 1 %>75 0 0 0 0 0 %>70 36 45 46 47 50 %>70 0 2 0 0 1 URL IS WWW.WPC.NCEP.NOAA.GOV $$