


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
418 FMUS23 KWNH 161657 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1655 UTC TUE SEP 16 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM TUE SEP 16 2025 AKRON-CANTON_OH ALBANY_NY CAK 0919 0920 0921 0922 0923 ALB 0919 0920 0921 0922 0923 MIN 56 54 62 61 61 MIN 56 43 46 51 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 2 1 1 %>75 0 0 0 0 0 %>70 0 0 11 7 6 %>70 0 0 0 0 1 ASHEVILLE_NC ATLANTA_GA AVL 0919 0920 0921 0922 0923 ATL 0919 0920 0921 0922 0923 MIN 57 59 59 59 58 MIN 66 67 66 66 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 0 0 0 0 1 %>70 0 0 0 0 0 %>70 4 14 5 12 17 BALTIMORE_MD BIRMINGHAM_AL BWI 0919 0920 0921 0922 0923 BHM 0919 0920 0921 0922 0923 MIN 63 61 60 60 63 MIN 68 68 69 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 1 %>75 1 2 3 2 4 %>70 3 2 2 4 8 %>70 21 27 37 27 27 BOSTON_MA BUFFALO_NY BOS 0919 0920 0921 0922 0923 BUF 0919 0920 0921 0922 0923 MIN 61 50 48 53 59 MIN 57 47 57 61 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 1 1 1 %>70 0 0 0 0 1 %>70 0 0 4 7 7 CHARLESTON_SC CHARLESTON_WV CHS 0919 0920 0921 0922 0923 CRW 0919 0920 0921 0922 0923 MIN 70 70 71 71 71 MIN 57 58 64 63 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 1 1 %>80 0 0 0 0 0 %>75 8 6 11 15 17 %>75 0 0 2 1 1 %>70 55 51 59 63 65 %>70 0 0 13 9 9 CHARLOTTE_NC CHICAGO_IL CLT 0919 0920 0921 0922 0923 ORD 0919 0920 0921 0922 0923 MIN 64 65 64 64 64 MIN 65 65 64 66 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 1 1 %>75 0 0 1 1 1 %>70 1 2 3 9 12 %>70 4 5 9 14 9 CINCINNATI_OH CLEVELAND_OH LUK 0919 0920 0921 0922 0923 CLE 0919 0920 0921 0922 0923 MIN 60 62 65 64 64 MIN 60 58 64 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 2 2 1 %>70 0 1 7 7 6 %>70 4 1 14 12 12 COLUMBIA_SC COLUMBUS_OH CAE 0919 0920 0921 0922 0923 TZR 0919 0920 0921 0922 0923 MIN 66 66 65 66 67 MIN 57 58 64 62 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 2 5 %>75 0 0 1 1 1 %>70 12 13 9 20 27 %>70 0 1 11 7 6 DAYTON_OH DETROIT_MI MGY 0919 0920 0921 0922 0923 DET 0919 0920 0921 0922 0923 MIN 59 61 64 64 63 MIN 61 58 61 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 0 0 0 %>80 0 0 0 0 0 %>75 0 0 0 0 0 %>75 0 0 0 1 1 %>70 0 1 6 5 5 %>70 0 1 4 11 11 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0919 0920 0921 0922 0923 GRR 0919 0920 0921 0922 0923 MIN 65 66 66 66 66 MIN 58 55 58 62 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 1 %>75 0 0 0 0 0 %>70 5 14 15 19 17 %>70 0 0 3 3 4 GREENSBORO_NC HUNTSVILLE_AL GSO 0919 0920 0921 0922 0923 HSV 0919 0920 0921 0922 0923 MIN 62 62 61 61 62 MIN 66 66 69 68 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 1 %>75 0 1 3 6 3 %>70 0 1 2 4 8 %>70 7 15 33 31 21 INDIANAPOLIS_IN KNOXVILLE_TN IND 0919 0920 0921 0922 0923 TYS 0919 0920 0921 0922 0923 MIN 62 64 64 65 64 MIN 61 63 64 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 4 6 7 6 %>70 0 0 5 5 7 LEXINGTON_KY LOUISVILLE_KY LEX 0919 0920 0921 0922 0923 SDF 0919 0920 0921 0922 0923 MIN 60 61 65 63 63 MIN 62 64 66 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 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 1 1 0 %>70 0 2 9 8 8 %>70 0 3 12 11 11 MEMPHIS_TN MIAMI_FL MEM 0919 0920 0921 0922 0923 MIA 0919 0920 0921 0922 0923 MIN 70 69 70 69 69 MIN 79 80 81 81 81 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 1 1 %>90 0 0 0 0 0 %>90 2 1 3 6 7 %>85 0 0 0 0 0 %>85 11 12 19 26 29 %>80 0 0 0 0 0 %>80 41 43 54 59 60 %>75 3 5 4 7 7 %>75 85 85 88 88 86 %>70 46 44 46 45 38 %>70 99 99 99 98 97 MILWAUKEE_WI MOBILE_AL MKE 0919 0920 0921 0922 0923 MOB 0919 0920 0921 0922 0923 MIN 63 63 63 64 62 MIN 70 71 71 71 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 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 0 %>80 0 1 1 1 2 %>75 0 0 0 0 0 %>75 8 13 15 15 20 %>70 3 2 2 3 3 %>70 49 59 63 60 70 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0919 0920 0921 0922 0923 NYC 0919 0920 0921 0922 0923 MIN 64 65 67 67 66 MIN 64 58 57 59 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 1 2 2 1 %>75 0 0 0 0 0 %>70 6 12 25 21 17 %>70 5 0 0 1 5 NORFOLK_VA ORLANDO_FL ORF 0919 0920 0921 0922 0923 ORL 0919 0920 0921 0922 0923 MIN 67 68 68 68 68 MIN 74 75 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 0 1 1 3 7 %>75 0 1 3 5 6 %>75 32 46 63 68 72 %>70 16 32 34 36 38 %>70 99 99 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0919 0920 0921 0922 0923 PIT 0919 0920 0921 0922 0923 MIN 62 58 56 57 60 MIN 56 56 63 62 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 2 0 1 %>70 2 0 0 1 4 %>70 0 0 10 5 6 PORTLAND_ME PROVIDENCE_RI PWM 0919 0920 0921 0922 0923 PVD 0919 0920 0921 0922 0923 MIN 57 44 44 51 56 MIN 60 50 48 52 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 0 0 0 0 1 %>70 0 0 0 0 1 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0919 0920 0921 0922 0923 RIC 0919 0920 0921 0922 0923 MIN 64 64 64 64 64 MIN 62 62 61 61 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 1 %>75 0 0 0 0 1 %>70 1 2 4 7 12 %>70 1 2 4 4 8 SAVANNAH_GA TALLAHASSEE_FL SAV 0919 0920 0921 0922 0923 TLH 0919 0920 0921 0922 0923 MIN 70 70 71 72 72 MIN 70 70 70 72 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 0 0 0 0 %>85 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 2 2 %>80 0 0 0 1 1 %>75 6 7 13 19 19 %>75 5 7 8 18 19 %>70 50 51 65 67 66 %>70 50 56 55 71 68 TAMPA_FL WASHINGTON_DC TPA 0919 0920 0921 0922 0923 DCA 0919 0920 0921 0922 0923 MIN 75 75 76 77 77 MIN 62 62 61 60 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 1 2 %>85 0 0 0 0 0 %>80 2 2 6 16 23 %>80 0 0 0 0 0 %>75 44 51 67 69 72 %>75 0 0 0 0 1 %>70 97 98 99 98 98 %>70 1 1 1 3 7 URL IS WWW.WPC.NCEP.NOAA.GOV $$