


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
549 FMUS23 KWNH 040654 PRBEHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0652 UTC THU SEP 04 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM THU SEP 04 2025 AKRON-CANTON_OH ALBANY_NY CAK 0907 0908 0909 0910 0911 ALB 0907 0908 0909 0910 0911 MEAN 54 54 57 62 63 MEAN 61 57 57 60 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 1 %>75 0 0 0 0 0 %>70 0 0 0 2 8 %>70 1 0 0 1 1 ASHEVILLE_NC ATLANTA_GA AVL 0907 0908 0909 0910 0911 ATL 0907 0908 0909 0910 0911 MEAN 65 59 59 61 64 MEAN 75 71 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 0 0 %>80 9 1 0 1 3 %>75 1 0 0 0 0 %>75 51 14 10 17 26 %>70 13 1 0 2 6 %>70 91 56 49 66 73 BALTIMORE_MD BIRMINGHAM_AL BWI 0907 0908 0909 0910 0911 BHM 0907 0908 0909 0910 0911 MEAN 66 63 64 65 67 MEAN 72 70 72 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 3 0 3 3 5 %>75 1 0 0 0 1 %>75 27 6 24 29 36 %>70 17 3 2 6 20 %>70 72 45 67 79 83 BOSTON_MA BUFFALO_NY BOS 0907 0908 0909 0910 0911 BUF 0907 0908 0909 0910 0911 MEAN 64 63 61 62 63 MEAN 55 54 57 61 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 2 0 0 0 0 %>75 0 0 0 0 0 %>70 13 1 0 1 4 %>70 0 0 0 1 4 CHARLESTON_SC CHARLESTON_WV CHS 0907 0908 0909 0910 0911 CRW 0907 0908 0909 0910 0911 MEAN 86 75 74 77 76 MEAN 61 59 63 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 9 0 0 0 0 %>90 0 0 0 0 0 %>85 64 1 0 3 1 %>85 0 0 0 0 0 %>80 98 14 6 24 15 %>80 0 0 0 0 0 %>75 100 54 44 66 59 %>75 0 0 0 1 2 %>70 100 90 89 94 93 %>70 1 0 2 13 22 CHARLOTTE_NC CHICAGO_IL CLT 0907 0908 0909 0910 0911 ORD 0907 0908 0909 0910 0911 MEAN 72 67 66 68 70 MEAN 56 58 64 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 1 0 0 0 0 %>85 0 0 0 0 0 %>80 8 0 0 0 0 %>80 0 0 0 1 1 %>75 31 2 1 3 8 %>75 0 0 1 7 9 %>70 68 22 16 30 45 %>70 0 0 11 33 35 CINCINNATI_OH CLEVELAND_OH LUK 0907 0908 0909 0910 0911 CLE 0907 0908 0909 0910 0911 MEAN 58 58 61 66 68 MEAN 57 56 59 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 2 6 %>75 0 0 0 0 1 %>70 0 0 1 16 31 %>70 0 0 0 4 10 COLUMBIA_SC COLUMBUS_OH CAE 0907 0908 0909 0910 0911 TZR 0907 0908 0909 0910 0911 MEAN 81 71 70 72 73 MEAN 56 56 59 64 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 1 0 0 0 0 %>90 0 0 0 0 0 %>85 15 0 0 0 0 %>85 0 0 0 0 0 %>80 57 1 0 4 4 %>80 0 0 0 0 0 %>75 91 17 10 27 28 %>75 0 0 0 0 2 %>70 99 61 55 72 74 %>70 0 0 0 8 19 DAYTON_OH DETROIT_MI MGY 0907 0908 0909 0910 0911 DET 0907 0908 0909 0910 0911 MEAN 57 57 61 65 67 MEAN 55 55 60 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 1 5 %>75 0 0 0 1 2 %>70 0 0 0 13 27 %>70 0 0 0 8 14 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0907 0908 0909 0910 0911 GRR 0907 0908 0909 0910 0911 MEAN 62 61 65 70 71 MEAN 53 53 58 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 1 4 %>80 0 0 0 0 0 %>75 0 0 1 13 23 %>75 0 0 0 1 2 %>70 0 0 11 47 61 %>70 0 0 0 8 12 GREENSBORO_NC HUNTSVILLE_AL GSO 0907 0908 0909 0910 0911 HSV 0907 0908 0909 0910 0911 MEAN 69 64 63 65 67 MEAN 69 67 69 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 2 0 0 0 0 %>80 0 0 0 1 3 %>75 12 1 0 1 2 %>75 6 2 9 17 25 %>70 41 9 3 10 21 %>70 38 22 45 65 73 INDIANAPOLIS_IN KNOXVILLE_TN IND 0907 0908 0909 0910 0911 TYS 0907 0908 0909 0910 0911 MEAN 58 57 61 66 68 MEAN 67 64 67 68 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 3 6 %>75 3 0 2 3 7 %>70 0 0 1 21 34 %>70 23 7 21 28 42 LEXINGTON_KY LOUISVILLE_KY LEX 0907 0908 0909 0910 0911 SDF 0907 0908 0909 0910 0911 MEAN 59 58 63 66 68 MEAN 60 60 64 68 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 0 0 %>80 0 0 0 0 0 %>80 0 0 0 0 1 %>75 0 0 0 2 6 %>75 0 0 0 6 13 %>70 0 0 2 20 33 %>70 0 0 5 31 46 MEMPHIS_TN MIAMI_FL MEM 0907 0908 0909 0910 0911 MIA 0907 0908 0909 0910 0911 MEAN 69 68 70 75 77 MEAN 92 91 92 92 91 %>100 0 0 0 0 0 %>100 9 2 5 9 5 %>95 0 0 0 0 0 %>95 31 16 25 30 22 %>90 0 0 0 0 0 %>90 67 57 62 63 56 %>85 0 0 0 1 4 %>85 92 91 90 89 86 %>80 0 0 1 12 23 %>80 99 99 99 98 98 %>75 7 4 13 51 63 %>75 100 100 100 100 100 %>70 41 29 53 89 92 %>70 100 100 100 100 100 MILWAUKEE_WI MOBILE_AL MKE 0907 0908 0909 0910 0911 MOB 0907 0908 0909 0910 0911 MEAN 55 57 63 65 66 MEAN 83 76 80 81 81 %>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 2 0 1 2 1 %>85 0 0 0 0 0 %>85 29 1 11 16 16 %>80 0 0 0 0 0 %>80 83 16 48 58 57 %>75 0 0 1 1 2 %>75 99 58 87 91 91 %>70 0 0 6 10 16 %>70 100 92 99 99 99 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0907 0908 0909 0910 0911 NYC 0907 0908 0909 0910 0911 MEAN 65 64 67 71 72 MEAN 66 64 64 65 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 1 4 %>80 0 0 0 0 0 %>75 0 0 2 15 26 %>75 1 0 0 0 2 %>70 8 4 24 55 69 %>70 13 2 1 5 22 NORFOLK_VA ORLANDO_FL ORF 0907 0908 0909 0910 0911 ORL 0907 0908 0909 0910 0911 MEAN 72 69 70 71 71 MEAN 90 88 88 87 85 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 8 3 4 2 2 %>90 0 0 0 0 0 %>90 48 32 29 19 16 %>85 0 0 0 0 0 %>85 91 83 76 65 54 %>80 2 0 0 0 0 %>80 100 99 98 95 89 %>75 22 1 1 3 6 %>75 100 100 100 100 99 %>70 73 34 48 70 67 %>70 100 100 100 100 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0907 0908 0909 0910 0911 PIT 0907 0908 0909 0910 0911 MEAN 66 63 63 64 66 MEAN 56 56 59 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 1 0 0 0 1 %>75 0 0 0 0 1 %>70 16 2 2 5 15 %>70 0 0 0 2 8 PORTLAND_ME PROVIDENCE_RI PWM 0907 0908 0909 0910 0911 PVD 0907 0908 0909 0910 0911 MEAN 62 61 58 60 61 MEAN 65 63 61 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 4 0 0 0 0 %>70 3 0 0 0 1 %>70 20 2 1 2 5 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0907 0908 0909 0910 0911 RIC 0907 0908 0909 0910 0911 MEAN 72 67 67 68 69 MEAN 68 65 65 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 1 0 0 0 0 %>85 0 0 0 0 0 %>80 8 0 0 0 0 %>80 1 0 0 0 0 %>75 31 4 1 3 6 %>75 8 1 0 1 3 %>70 65 27 16 31 37 %>70 33 12 7 16 25 SAVANNAH_GA TALLAHASSEE_FL SAV 0907 0908 0909 0910 0911 TLH 0907 0908 0909 0910 0911 MEAN 87 78 76 78 77 MEAN 89 83 81 81 80 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 1 0 0 0 0 %>95 5 0 0 0 0 %>90 18 0 0 1 0 %>90 38 4 2 2 1 %>85 76 4 1 9 3 %>85 86 31 17 20 11 %>80 99 28 15 37 24 %>80 99 77 58 62 50 %>75 100 73 60 75 68 %>75 100 97 92 92 89 %>70 100 96 94 95 95 %>70 100 100 99 99 99 TAMPA_FL WASHINGTON_DC TPA 0907 0908 0909 0910 0911 DCA 0907 0908 0909 0910 0911 MEAN 90 90 88 87 86 MEAN 66 63 64 65 67 %>100 2 2 1 0 0 %>100 0 0 0 0 0 %>95 14 14 7 4 2 %>95 0 0 0 0 0 %>90 52 48 33 27 19 %>90 0 0 0 0 0 %>85 88 83 74 70 59 %>85 0 0 0 0 0 %>80 99 98 95 95 91 %>80 0 0 0 0 0 %>75 100 100 100 100 99 %>75 2 0 0 0 2 %>70 100 100 100 100 100 %>70 20 4 4 9 21 URL IS WWW.WPC.NCEP.NOAA.GOV $$