FMUS23 KWNH 240744 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0742 UTC MON AUG 24 2026 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM MON AUG 24 2026 AKRON-CANTON_OH ALBANY_NY CAK 0827 0828 0829 0830 0831 ALB 0827 0828 0829 0830 0831 MIN 62 63 60 62 66 MIN 60 63 59 57 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 1 %>80 0 0 0 0 0 %>75 0 0 0 1 5 %>75 0 0 0 0 1 %>70 1 0 1 6 22 %>70 0 1 1 1 7 ASHEVILLE_NC ATLANTA_GA AVL 0827 0828 0829 0830 0831 ATL 0827 0828 0829 0830 0831 MIN 64 64 63 64 65 MIN 73 72 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 0 %>80 0 1 0 1 3 %>75 1 0 0 0 1 %>75 21 15 12 20 27 %>70 8 6 4 6 10 %>70 88 70 67 79 78 BALTIMORE_MD BIRMINGHAM_AL BWI 0827 0828 0829 0830 0831 BHM 0827 0828 0829 0830 0831 MIN 71 71 70 71 73 MIN 74 73 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 1 %>85 0 0 0 0 1 %>80 0 0 0 2 8 %>80 2 2 2 4 7 %>75 15 13 10 18 33 %>75 33 25 21 31 38 %>70 67 64 57 56 69 %>70 91 77 72 79 81 BOSTON_MA BUFFALO_NY BOS 0827 0828 0829 0830 0831 BUF 0827 0828 0829 0830 0831 MIN 65 68 67 63 65 MIN 63 62 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 1 1 4 %>75 0 0 0 0 3 %>70 2 27 18 7 21 %>70 2 1 0 4 14 CHARLESTON_SC CHARLESTON_WV CHS 0827 0828 0829 0830 0831 CRW 0827 0828 0829 0830 0831 MIN 76 77 77 77 78 MIN 66 67 65 67 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 2 1 1 1 %>90 0 0 0 0 0 %>85 4 10 7 8 9 %>85 0 0 0 0 0 %>80 22 29 27 30 32 %>80 0 0 0 0 1 %>75 61 60 60 67 68 %>75 0 0 0 2 9 %>70 92 85 88 92 92 %>70 8 9 4 20 45 CHARLOTTE_NC CHICAGO_IL CLT 0827 0828 0829 0830 0831 ORD 0827 0828 0829 0830 0831 MIN 71 70 70 71 72 MIN 66 64 65 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 1 1 0 1 3 %>80 0 0 0 14 %>75 12 11 9 17 25 %>75 1 1 1 8 19 %>70 56 52 54 64 68 %>70 7 6 11 38 50 CINCINNATI_OH CLEVELAND_OH LUK 0827 0828 0829 0830 0831 CLE 0827 0828 0829 0830 0831 MIN 66 65 64 66 70 MIN 65 66 62 64 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 4 %>80 0 0 0 0 2 %>75 0 0 0 4 19 %>75 2 2 2 4 13 %>70 9 4 5 23 52 %>70 12 17 8 18 40 COLUMBIA_SC COLUMBUS_OH CAE 0827 0828 0829 0830 0831 TZR 0827 0828 0829 0830 0831 MIN 73 73 73 74 74 MIN 64 64 63 64 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 2 2 1 4 7 %>80 0 0 0 0 1 %>75 27 30 28 38 43 %>75 0 0 0 2 10 %>70 77 82 85 87 86 %>70 2 1 3 13 36 DAYTON_OH DETROIT_MI MGY 0827 0828 0829 0830 0831 DET 0827 0828 0829 0830 0831 MIN 65 64 63 66 70 MIN 67 65 63 67 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 2 %>80 0 0 0 0 3 %>75 0 0 0 3 14 %>75 0 1 1 5 14 %>70 4 1 3 19 46 %>70 10 7 7 26 42 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0827 0828 0829 0830 0831 GRR 0827 0828 0829 0830 0831 MIN 69 67 67 69 73 MIN 63 57 57 63 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 2 %>85 0 0 0 0 0 %>80 0 0 0 2 13 %>80 0 0 0 0 1 %>75 2 0 1 14 38 %>75 0 0 0 2 6 %>70 38 9 18 46 70 %>70 0 0 0 12 23 GREENSBORO_NC HUNTSVILLE_AL GSO 0827 0828 0829 0830 0831 HSV 0827 0828 0829 0830 0831 MIN 69 69 69 70 71 MIN 72 71 70 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 1 0 0 1 3 %>75 6 5 3 9 18 %>75 20 9 6 18 31 %>70 40 37 35 49 57 %>70 77 61 52 69 80 INDIANAPOLIS_IN KNOXVILLE_TN IND 0827 0828 0829 0830 0831 TYS 0827 0828 0829 0830 0831 MIN 65 63 63 66 70 MIN 70 69 68 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 3 %>80 0 0 0 0 0 %>75 0 0 0 4 18 %>75 9 1 1 4 10 %>70 2 1 2 23 49 %>70 53 30 25 4165 LEXINGTON_KY LOUISVILLE_KY LEX 0827 0828 0829 0830 0831 SDF 0827 0828 0829 0830 0831 MIN 67 66 66 67 71 MIN 68 67 67 69 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 1 %>80 0 0 0 1 5 %>80 0 0 0 1 9 %>75 1 0 1 6 24 %>75 1 0 1 9 34 %>70 18 12 12 31 59 %>70 28 10 16 40 69 MEMPHIS_TN MIAMI_FL MEM 0827 0828 0829 0830 0831 MIA 0827 0828 0829 0830 0831 MIN 74 73 73 75 77 MIN 87 88 88 88 88 %>100 0 0 0 0 0 %>100 2 2 3 3 3 %>95 0 0 0 0 0 %>95 12 12 16 17 16 %>90 0 0 0 0 1 %>90 35 39 42 42 41 %>85 0 0 0 2 6 %>85 61 66 68 68 66 %>80 8 3 3 15 27 %>80 82 88 88 87 85 %>75 44 30 26 47 64 %>75 95 97 97 96 95 %>70 87 80 74 82 91 %>70 99 100 99 99 99 MILWAUKEE_WI MOBILE_AL MKE 0827 0828 0829 0830 0831 MOB 0827 0828 0829 0830 0831 MIN 65 63 64 68 69 MIN 76 75 75 76 76 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 0 0 0 0 %>90 0 0 0 0 0 %>90 3 1 1 1 1 %>85 0 0 0 0 0 %>85 10 6 5 6 7 %>80 0 0 0 0 2 %>80 28 22 19 22 24 %>75 1 0 1 4 12 %>75 56 50 50 54 55 %>70 9 6 13 30 42 %>70 81 78 81 84 84 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0827 0828 0829 0830 0831 NYC 0827 0828 0829 0830 0831 MIN 71 69 69 71 74 MIN 70 70 69 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 2 %>85 0 0 0 0 0 %>80 0 0 0 2 11 %>80 0 0 0 1 3 %>75 8 4 4 19 40 %>75 3 8 5 9 19 %>70 58 43 37 59 76 %>70 47 58 45 36 52 NORFOLK_VA ORLANDO_FL ORF 0827 0828 0829 0830 0831 ORL 0827 0828 0829 0830 0831 MIN 75 75 75 76 76 MIN 77 78 78 78 78 %>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 1 1 %>85 0 0 0 1 4 %>85 2 3 5 8 7 %>80 10 10 11 13 24 %>80 23 27 32 36 35 %>75 53 56 52 58 61 %>75 73 74 76 75 76 %>70 87 91 90 91 88 %>70 97 97 97 96 96 PHILADELPHIA_PA PITTSBURGH_PA PHL 0827 0828 0829 0830 0831 PIT 0827 0828 0829 0830 0831 MIN 69 70 69 68 70 MIN 62 64 61 63 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 1 4 %>80 0 0 0 0 0 %>75 1 4 4 8 20 %>75 0 0 0 0 4 %>70 44 54 41 34 53 %>70 0 0 1 5 23 PORTLAND_ME PROVIDENCE_RI PWM 0827 0828 0829 0830 0831 PVD 0827 0828 0829 0830 0831MIN 60 64 61 57 59 MIN 65 67 66 62 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 1 %>75 0 0 1 0 1 %>75 0 2 1 1 5 %>70 1 8 5 2 6 %>70 3 25 17 6 21 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0827 0828 0829 0830 0831 RIC 0827 0828 0829 0830 0831 MIN 71 72 72 72 73 MIN 70 71 71 71 72 %>100 0 0 0 0 0 %>100 0 0 0 0 0 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