FMUS23 KWNH 220743 PRBEHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 0741 UTC SAT AUG 22 2026 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM SAT AUG 22 2026 AKRON-CANTON_OH ALBANY_NY CAK 0825 0826 0827 0828 0829 ALB 0825 0826 0827 0828 0829 MIN 53 55 61 62 62 MIN 54 55 59 63 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 0 %>75 0 0 0 0 0 %>70 0 0 1 1 1 %>70 0 0 0 1 1 ASHEVILLE_NC ATLANTA_GA AVL 0825 0826 0827 0828 0829 ATL 0825 0826 0827 0828 0829 MIN 58 62 64 63 63 MIN 70 71 73 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 0 0 1 0 0 %>75 0 0 0 0 0 %>75 4 11 21 10 12 %>70 0 2 6 3 3 %>70 46 64 84 73 72 BALTIMORE_MD BIRMINGHAM_AL BWI 0825 0826 0827 0828 0829 BHM 0825 0826 0827 0828 0829 MIN 62 66 71 71 71 MIN 71 72 73 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 1 %>80 0 4 6 1 1 %>75 0 1 11 12 13 %>75 10 28 33 20 19 %>70 2 12 62 65 65 %>70 58 71 77 72 73 BOSTON_MA BUFFALO_NY BOS 0825 0826 0827 0828 0829 BUF 0825 0826 0827 0828 0829 MIN 60 61 64 67 66 MIN 55 56 61 63 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 1 0 1 14 14 %>70 0 0 1 2 2 CHARLESTON_SC CHARLESTON_WV CHS 0825 0826 0827 0828 0829 CRW 0825 0826 0827 0828 0829 MIN 77 76 77 77 77 MIN 55 59 66 67 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 2 1 1 1 1 %>90 0 0 0 0 0 %>85 9 7 8 7 8 %>85 0 0 0 0 0 %>80 28 25 30 28 30 %>80 0 0 0 0 0 %>75 59 58 65 64 68 %>75 0 0 0 0 0 %>70 85 86 90 91 93 %>70 0 0 13 13 15 CHARLOTTE_NC CHICAGO_IL CLT 0825 0826 0827 0828 0829 ORD 0825 0826 0827 0828 0829 MIN 65 68 71 70 71 MIN 61 65 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 1 0 0 %>80 0 0 0 00 %>75 0 5 14 8 10 %>75 0 1 1 1 3 %>70 4 30 59 51 60 %>70 2 9 9 11 20 CINCINNATI_OH CLEVELAND_OH LUK 0825 0826 0827 0828 0829 CLE 0825 0826 0827 0828 0829 MIN 57 60 65 66 66 MIN 58 59 64 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 0 0 1 %>75 0 0 2 2 3 %>70 0 0 8 8 15 %>70 2 3 10 16 13 COLUMBIA_SC COLUMBUS_OH CAE 0825 0826 0827 0828 0829 TZR 0825 0826 0827 0828 0829 MIN 70 72 74 73 74 MIN 54 58 63 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 2 4 2 2 %>80 0 0 0 0 0 %>75 8 22 36 30 35 %>75 0 0 0 0 0 %>70 52 68 84 84 90 %>70 0 0 2 3 6 DAYTON_OH DETROIT_MI MGY 0825 0826 0827 0828 0829 DET 0825 0826 0827 0828 0829 MIN 55 59 64 64 65 MIN 58 63 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 0 0 0 %>75 0 0 0 0 2 %>70 0 0 4 4 9 %>70 0 3 9 6 13 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0825 0826 0827 0828 0829 GRR 0825 0826 0827 0828 0829 MIN 63 66 68 68 68 MIN 51 59 62 59 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 0 1 1 2 6 %>75 0 0 0 0 0 %>70 2 14 24 26 34 %>70 0 0 1 0 3 GREENSBORO_NC HUNTSVILLE_AL GSO 0825 0826 0827 0828 0829 HSV 0825 0826 0827 0828 0829 MIN 62 65 69 69 70 MIN 69 71 72 71 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 1 1 0 0 %>75 0 2 6 4 5 %>75 3 15 21 9 11 %>70 0 15 44 39 47 %>70 35 61 74 62 58 INDIANAPOLIS_IN KNOXVILLE_TN IND 0825 0826 0827 0828 0829 TYS 0825 0826 0827 0828 0829 MIN 56 60 65 64 65 MIN 63 66 70 69 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 0 1 %>75 0 1 4 1 3 %>70 0 0 2 4 10 %>70 2 15 49 3635 LEXINGTON_KY LOUISVILLE_KY LEX 0825 0826 0827 0828 0829 SDF 0825 0826 0827 0828 0829 MIN 58 62 67 67 67 MIN 61 64 68 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 1 1 3 %>75 0 0 1 3 6 %>70 0 2 20 18 25 %>70 0 6 27 31 37 MEMPHIS_TN MIAMI_FL MEM 0825 0826 0827 0828 0829 MIA 0825 0826 0827 0828 0829 MIN 74 75 74 73 74 MIN 86 88 88 88 88 %>100 0 0 0 0 0 %>100 1 2 2 2 3 %>95 0 0 0 0 0 %>95 8 12 13 14 15 %>90 0 0 0 0 0 %>90 33 37 38 41 40 %>85 1 4 1 0 1 %>85 60 67 66 70 65 %>80 9 20 9 3 9 %>80 82 89 87 90 86 %>75 40 53 43 32 41 %>75 95 97 97 98 96 %>70 80 84 84 82 81 %>70 99 99 99 100 99 MILWAUKEE_WI MOBILE_AL MKE 0825 0826 0827 0828 0829 MOB 0825 0826 0827 0828 0829 MIN 61 66 66 65 66 MIN 77 77 77 76 76 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 2 1 1 0 %>90 0 0 0 0 0 %>90 5 6 5 3 2 %>85 0 0 0 0 0 %>85 14 16 15 11 10 %>80 0 0 0 0 0 %>80 32 35 34 29 27 %>75 0 1 2 2 4 %>75 58 59 60 54 54 %>70 3 11 12 13 21 %>70 81 80 82 77 79 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0825 0826 0827 0828 0829 NYC 0825 0826 0827 0828 0829 MIN 66 69 71 70 70 MIN 63 64 69 70 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 1 0 0 1 %>80 0 0 0 0 0 %>75 1 10 11 6 11 %>75 0 0 4 8 7 %>70 15 42 59 48 52 %>70 2 7 39 54 46 NORFOLK_VA ORLANDO_FL ORF 0825 0826 0827 0828 0829 ORL 0825 0826 0827 0828 0829 MIN 71 73 75 75 76 MIN 78 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 0 1 %>85 0 0 0 0 0 %>85 3 3 5 6 8 %>80 1 3 8 9 10 %>80 30 29 31 34 36 %>75 18 34 53 52 61 %>75 79 77 74 76 77 %>70 67 77 90 90 95 %>70 98 98 96 96 96 PHILADELPHIA_PA PITTSBURGH_PA PHL 0825 0826 0827 0828 0829 PIT 0825 0826 0827 0828 0829 MIN 61 64 69 70 69 MIN 54 56 62 64 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 1 2 4 %>75 0 0 0 0 0 %>70 0 0 30 50 43 %>70 0 0 0 1 2 PORTLAND_ME PROVIDENCE_RI PWM 0825 0826 0827 0828 0829 PVD 0825 0826 0827 0828 0829MIN 57 58 59 62 61 MIN 59 59 64 66 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 0 0 0 %>75 0 0 0 1 1 %>70 1 1 1 4 4 %>70 1 1 2 15 14 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0825 0826 0827 0828 0829 RIC 0825 0826 0827 0828 0829 MIN 65 68 72 72 72 MIN 62 66 70 71 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 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