


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
675 FMUS23 KWNH 040742 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0740 UTC MON AUG 04 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM MON AUG 04 2025 AKRON-CANTON_OH ALBANY_NY CAK 0807 0808 0809 0810 0811 ALB 0807 0808 0809 0810 0811 MIN 62 64 65 67 69 MIN 64 60 60 63 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 2 2 %>80 0 0 0 0 0 %>75 0 2 4 9 12 %>75 0 0 0 0 2 %>70 5 13 18 29 43 %>70 1 0 0 5 29 ASHEVILLE_NC ATLANTA_GA AVL 0807 0808 0809 0810 0811 ATL 0807 0808 0809 0810 0811 MIN 63 63 63 65 66 MIN 69 69 70 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 0 0 0 0 %>75 0 0 0 0 0 %>75 1 2 3 6 14 %>70 1 2 3 6 7 %>70 33 41 46 60 78 BALTIMORE_MD BIRMINGHAM_AL BWI 0807 0808 0809 0810 0811 BHM 0807 0808 0809 0810 0811 MIN 70 67 68 71 73 MIN 70 70 71 72 73 %>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 2 %>80 0 0 0 1 2 %>75 2 1 1 11 32 %>75 5 8 11 17 31 %>70 45 19 23 64 84 %>70 51 53 57 70 85 BOSTON_MA BUFFALO_NY BOS 0807 0808 0809 0810 0811 BUF 0807 0808 0809 0810 0811 MIN 62 60 61 66 70 MIN 65 66 67 69 71 %>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 2 %>75 0 0 0 1 9 %>75 1 3 5 11 19 %>70 0 0 1 13 49 %>70 12 20 28 43 61 CHARLESTON_SC CHARLESTON_WV CHS 0807 0808 0809 0810 0811 CRW 0807 0808 0809 0810 0811 MIN 75 75 76 77 78 MIN 65 66 67 69 71 %>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 1 %>90 0 0 0 0 0 %>85 0 0 1 4 7 %>85 0 0 0 0 0 %>80 6 5 10 21 30 %>80 0 0 0 0 0 %>75 48 52 57 65 75 %>75 0 1 1 4 8 %>70 93 96 96 95 97 %>70 7 13 20 35 68 CHARLOTTE_NC CHICAGO_IL CLT 0807 0808 0809 0810 0811 ORD 0807 0808 0809 0810 0811 MIN 68 69 69 70 72 MIN 71 74 75 75 73 %>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 1 2 2 %>80 0 0 0 0 0 %>80 1 2 10 15 11 %>75 2 1 2 6 15 %>75 8 33 55 51 37 %>70 27 33 36 53 80 %>70 64 88 93 85 72 CINCINNATI_OH CLEVELAND_OH LUK 0807 0808 0809 0810 0811 CLE 0807 0808 0809 0810 0811 MIN 67 68 69 70 72 MIN 66 68 69 70 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 1 1 %>80 0 0 1 3 6 %>75 0 2 5 12 22 %>75 2 7 12 21 29 %>70 16 30 40 48 76 %>70 16 34 43 55 67 COLUMBIA_SC COLUMBUS_OH CAE 0807 0808 0809 0810 0811 TZR 0807 0808 0809 0810 0811 MIN 71 71 71 72 74 MIN 64 66 67 68 71 %>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 1 %>75 8 8 11 20 35 %>75 0 2 4 10 16 %>70 59 70 69 79 93 %>70 8 20 25 38 58 DAYTON_OH DETROIT_MI MGY 0807 0808 0809 0810 0811 DET 0807 0808 0809 0810 0811 MIN 66 68 69 70 72 MIN 68 70 72 73 73 %>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 2 %>80 0 0 0 1 0 %>80 0 1 3 10 12 %>75 0 1 4 10 17 %>75 3 11 28 38 39 %>70 9 24 35 46 75 %>70 34 51 71 73 72 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0807 0808 0809 0810 0811 GRR 0807 0808 0809 0810 0811 MIN 70 71 72 73 74 MIN 65 68 71 71 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 2 6 %>80 0 0 2 5 4 %>75 1 4 15 26 44 %>75 0 4 17 25 20 %>70 44 63 73 80 89 %>70 11 31 57 61 51 GREENSBORO_NC HUNTSVILLE_AL GSO 0807 0808 0809 0810 0811 HSV 0807 0808 0809 0810 0811 MIN 66 67 67 69 71 MIN 69 70 71 71 73 %>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 1 0 1 2 6 %>75 4 6 8 13 26 %>70 13 16 21 38 64 %>70 42 53 56 68 88 INDIANAPOLIS_IN KNOXVILLE_TN IND 0807 0808 0809 0810 0811 TYS 0807 0808 0809 0810 0811 MIN 68 69 71 71 73 MIN 68 68 68 70 71 %>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 5 14 28 %>75 0 0 1 2 3 %>70 16 33 58 63 88 %>70 20 22 26 44 67 LEXINGTON_KY LOUISVILLE_KY LEX 0807 0808 0809 0810 0811 SDF 0807 0808 0809 0810 0811 MIN 67 68 68 69 71 MIN 69 70 71 71 73 %>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 1 %>75 1 2 5 10 15 %>75 0 1 7 14 29 %>70 17 27 32 40 64 %>70 31 52 60 68 86 MEMPHIS_TN MIAMI_FL MEM 0807 0808 0809 0810 0811 MIA 0807 0808 0809 0810 0811 MIN 73 74 75 75 76 MIN 85 81 84 85 87 %>100 0 0 0 0 0 %>100 0 0 0 1 2 %>95 0 0 0 0 0 %>95 3 1 3 6 12 %>90 0 0 0 0 0 %>90 18 7 20 23 32 %>85 0 0 0 0 2 %>85 49 28 47 50 60 %>80 0 2 6 9 19 %>80 78 57 70 74 83 %>75 21 33 45 49 61 %>75 94 82 88 91 95 %>70 89 90 90 90 92 %>70 99 95 97 98 99 MILWAUKEE_WI MOBILE_AL MKE 0807 0808 0809 0810 0811 MOB 0807 0808 0809 0810 0811 MIN 70 73 74 73 71 MIN 75 75 75 76 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 1 %>85 0 0 0 0 0 %>85 1 1 1 2 5 %>80 1 2 6 7 3 %>80 13 9 12 17 24 %>75 10 22 46 38 22 %>75 51 46 48 57 62 %>70 54 81 89 77 59 %>70 89 88 87 92 91 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0807 0808 0809 0810 0811 NYC 0807 0808 0809 0810 0811 MIN 70 70 71 71 73 MIN 69 66 67 70 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 1 2 %>80 0 0 0 0 5 %>75 2 6 11 17 29 %>75 1 1 1 8 41 %>70 43 52 62 64 85 %>70 43 16 21 56 86 NORFOLK_VA ORLANDO_FL ORF 0807 0808 0809 0810 0811 ORL 0807 0808 0809 0810 0811 MIN 75 75 75 76 77 MIN 78 78 78 78 79 %>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 1 %>85 4 1 1 3 4 %>80 4 1 4 10 20 %>80 32 22 26 29 39 %>75 58 47 53 60 68 %>75 80 80 83 77 88 %>70 94 94 94 95 95 %>70 98 99 99 98 100 PHILADELPHIA_PA PITTSBURGH_PA PHL 0807 0808 0809 0810 0811 PIT 0807 0808 0809 0810 0811 MIN 68 64 65 69 72 MIN 64 65 65 67 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 1 %>80 0 0 0 0 0 %>75 0 0 0 2 20 %>75 0 0 1 5 11 %>70 21 4 6 33 75 %>70 4 9 12 27 55 PORTLAND_ME PROVIDENCE_RI PWM 0807 0808 0809 0810 0811 PVD 0807 0808 0809 0810 0811 MIN 59 59 59 64 67 MIN 62 59 60 65 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 0 %>75 0 0 0 1 4 %>75 0 0 0 0 6 %>70 0 1 2 10 23 %>70 1 0 0 8 49 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0807 0808 0809 0810 0811 RIC 0807 0808 0809 0810 0811 MIN 70 70 70 72 73 MIN 69 67 68 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 1 %>80 0 0 0 0 1 %>75 3 2 5 11 26 %>75 3 3 3 9 21 %>70 45 47 49 73 90 %>70 37 24 30 56 74 SAVANNAH_GA TALLAHASSEE_FL SAV 0807 0808 0809 0810 0811 TLH 0807 0808 0809 0810 0811 MIN 75 75 75 76 78 MIN 75 75 75 76 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 1 %>90 0 0 0 0 0 %>85 0 0 1 3 6 %>85 0 0 0 1 1 %>80 7 5 9 17 27 %>80 6 3 5 10 14 %>75 45 48 53 63 75 %>75 57 49 50 67 70 %>70 91 95 95 96 98 %>70 97 96 95 98 98 TAMPA_FL WASHINGTON_DC TPA 0807 0808 0809 0810 0811 DCA 0807 0808 0809 0810 0811 MIN 80 79 80 80 80 MIN 69 66 67 71 73 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 1 0 %>95 0 0 0 0 0 %>90 4 1 3 4 4 %>90 0 0 0 0 0 %>85 19 12 19 19 19 %>85 0 0 0 0 0 %>80 52 45 53 50 51 %>80 0 0 0 0 2 %>75 82 82 85 81 83 %>75 2 1 1 9 28 %>70 96 98 98 96 97 %>70 39 16 20 59 82 URL IS WWW.WPC.NCEP.NOAA.GOV $$