


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
422 FMUS23 KWNH 311657 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1655 UTC SUN AUG 31 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SUN AUG 31 2025 AKRON-CANTON_OH ALBANY_NY CAK 0903 0904 0905 0906 0907 ALB 0903 0904 0905 0906 0907 MIN 52 58 48 50 46 MIN 53 57 61 55 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 0 0 %>70 0 0 1 2 0 ASHEVILLE_NC ATLANTA_GA AVL 0903 0904 0905 0906 0907 ATL 0903 0904 0905 0906 0907 MIN 55 57 57 54 54 MIN 63 65 65 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 1 0 %>75 0 0 0 0 0 %>75 0 0 1 4 1 %>70 0 0 0 1 0 %>70 1 4 11 15 8 BALTIMORE_MD BIRMINGHAM_AL BWI 0903 0904 0905 0906 0907 BHM 0903 0904 0905 0906 0907 MIN 59 63 66 62 59 MIN 65 66 65 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 1 0 %>80 0 0 0 1 0 %>75 0 0 2 4 0 %>75 0 0 1 5 1 %>70 1 5 19 14 3 %>70 7 10 13 15 8 BOSTON_MA BUFFALO_NY BOS 0903 0904 0905 0906 0907 BUF 0903 0904 0905 0906 0907 MIN 56 60 62 62 58 MIN 54 60 52 52 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 3 0 %>75 0 0 0 0 0 %>70 0 0 1 13 3 %>70 0 1 0 0 0 CHARLESTON_SC CHARLESTON_WV CHS 0903 0904 0905 0906 0907 CRW 0903 0904 0905 0906 0907 MIN 68 71 73 74 74 MIN 58 60 56 55 51 %>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 2 8 6 %>80 0 0 0 0 0 %>75 3 13 29 43 37 %>75 0 0 0 0 0 %>70 29 57 85 85 81 %>70 0 0 2 2 0 CHARLOTTE_NC CHICAGO_IL CLT 0903 0904 0905 0906 0907 ORD 0903 0904 0905 0906 0907 MIN 59 63 65 63 62 MIN 60 49 48 48 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 3 2 %>75 0 0 0 0 0 %>70 1 4 10 14 10 %>70 1 0 0 0 0 CINCINNATI_OH CLEVELAND_OH LUK 0903 0904 0905 0906 0907 CLE 0903 0904 0905 0906 0907 MIN 59 60 49 52 48 MIN 57 60 51 53 51 %>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 1 0 0 0 COLUMBIA_SC COLUMBUS_OH CAE 0903 0904 0905 0906 0907 TZR 0903 0904 0905 0906 0907 MIN 61 66 69 68 67 MIN 57 59 48 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 1 1 %>80 0 0 0 0 0 %>75 0 1 3 9 7 %>75 0 0 0 0 0 %>70 2 13 35 34 31 %>70 0 1 0 0 0 DAYTON_OH DETROIT_MI MGY 0903 0904 0905 0906 0907 DET 0903 0904 0905 0906 0907 MIN 58 59 48 51 47 MIN 59 58 48 50 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 0 0 %>75 0 0 0 0 0 %>70 0 1 0 0 0 %>70 1 3 0 0 0 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0903 0904 0905 0906 0907 GRR 0903 0904 0905 0906 0907 MIN 61 59 51 53 50 MIN 53 51 44 46 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 1 0 0 0 %>75 0 0 0 0 0 %>70 0 5 0 1 0 %>70 0 0 0 0 0 GREENSBORO_NC HUNTSVILLE_AL GSO 0903 0904 0905 0906 0907 HSV 0903 0904 0905 0906 0907 MIN 56 61 64 61 59 MIN 65 65 61 60 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 1 2 1 %>75 0 0 1 2 0 %>70 0 3 8 9 6 %>70 1 1 7 9 1 INDIANAPOLIS_IN KNOXVILLE_TN IND 0903 0904 0905 0906 0907 TYS 0903 0904 0905 0906 0907 MIN 58 56 48 49 47 MIN 61 62 59 58 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 1 0 %>70 0 3 0 0 0 %>70 0 0 3 5 0 LEXINGTON_KY LOUISVILLE_KY LEX 0903 0904 0905 0906 0907 SDF 0903 0904 0905 0906 0907 MIN 58 60 50 53 48 MIN 60 61 51 54 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 1 0 2 0 %>70 0 1 0 1 0 MEMPHIS_TN MIAMI_FL MEM 0903 0904 0905 0906 0907 MIA 0903 0904 0905 0906 0907 MIN 65 65 59 61 59 MIN 82 82 83 82 83 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 2 2 2 3 3 %>90 0 0 0 0 0 %>90 9 13 13 14 15 %>85 0 0 0 0 0 %>85 31 35 37 37 40 %>80 0 0 0 0 0 %>80 61 62 65 63 65 %>75 0 0 1 3 0 %>75 86 85 87 84 84 %>70 5 7 5 11 3 %>70 98 96 97 96 95 MILWAUKEE_WI MOBILE_AL MKE 0903 0904 0905 0906 0907 MOB 0903 0904 0905 0906 0907 MIN 60 48 48 48 48 MIN 69 72 72 72 70 %>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 1 0 %>80 0 0 0 0 0 %>80 1 2 3 7 3 %>75 0 0 0 0 0 %>75 9 19 25 28 16 %>70 2 0 0 0 0 %>70 44 72 74 60 46 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0903 0904 0905 0906 0907 NYC 0903 0904 0905 0906 0907 MIN 62 63 55 56 54 MIN 61 63 67 63 59 %>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 1 0 %>75 0 0 0 1 0 %>75 0 0 2 5 0 %>70 0 2 2 4 0 %>70 1 4 24 17 4 NORFOLK_VA ORLANDO_FL ORF 0903 0904 0905 0906 0907 ORL 0903 0904 0905 0906 0907 MIN 65 67 72 71 69 MIN 76 76 76 77 77 %>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 1 %>80 0 0 0 3 1 %>80 2 4 8 14 19 %>75 1 3 12 21 12 %>75 67 59 70 71 74 %>70 15 32 72 61 46 %>70 100 98 99 98 98 PHILADELPHIA_PA PITTSBURGH_PA PHL 0903 0904 0905 0906 0907 PIT 0903 0904 0905 0906 0907 MIN 57 60 65 62 57 MIN 54 59 52 52 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 1 0 %>80 0 0 0 0 0 %>75 0 0 2 4 1 %>75 0 0 0 0 0 %>70 0 1 16 13 4 %>70 0 0 1 1 0 PORTLAND_ME PROVIDENCE_RI PWM 0903 0904 0905 0906 0907 PVD 0903 0904 0905 0906 0907 MIN 53 56 59 58 54 MIN 56 59 62 61 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 1 0 %>75 0 0 0 1 0 %>75 0 0 0 4 1 %>70 0 0 0 4 1 %>70 0 0 3 13 5 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0903 0904 0905 0906 0907 RIC 0903 0904 0905 0906 0907 MIN 59 63 67 65 63 MIN 57 61 66 64 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 1 1 %>80 0 0 0 1 0 %>75 0 0 2 7 4 %>75 0 0 2 6 2 %>70 0 3 22 24 15 %>70 1 2 19 19 8 SAVANNAH_GA TALLAHASSEE_FL SAV 0903 0904 0905 0906 0907 TLH 0903 0904 0905 0906 0907 MIN 68 70 72 73 73 MIN 70 72 73 73 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 1 4 4 %>80 0 0 1 4 3 %>75 3 9 18 30 31 %>75 4 10 21 28 26 %>70 28 55 81 78 79 %>70 44 77 88 75 71 TAMPA_FL WASHINGTON_DC TPA 0903 0904 0905 0906 0907 DCA 0903 0904 0905 0906 0907 MIN 77 78 78 78 78 MIN 58 62 65 62 59 %>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 1 1 1 %>90 0 0 0 0 0 %>85 2 7 8 7 7 %>85 0 0 0 0 0 %>80 19 30 35 34 35 %>80 0 0 0 1 0 %>75 66 69 75 77 77 %>75 0 0 2 4 1 %>70 96 94 96 97 97 %>70 1 4 17 14 4 URL IS WWW.WPC.NCEP.NOAA.GOV $$