


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
219 FMUS23 KWNH 061700 PRBEHH DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1615 UTC TUE MAY 06 2025 MAXIMUM HEAT INDEX (DEG F) AND MAXIMUM HI PROB (%) FRCSTS AT EASTERN US CITIES - DAYS 3 TO 7 FROM TUE MAY 06 2025 AKRON-CANTON_OH ALBANY_NY CAK 0509 0510 0511 0512 0513 ALB 0509 0510 0511 0512 0513 MAX 59 70 73 80 80 MAX 55 64 68 75 79 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 1 1 %>100 0 0 0 1 2 %>95 0 0 1 4 3 %>95 0 0 0 3 5 %>90 0 1 4 13 10 %>90 0 0 1 8 12 %>85 0 3 10 28 26 %>85 0 0 4 17 25 %>80 0 9 23 50 50 %>80 0 2 10 32 44 ASHEVILLE_NC ATLANTA_GA AVL 0509 0510 0511 0512 0513 ATL 0509 0510 0511 0512 0513 MAX 71 63 66 64 70 MAX 77 66 69 72 77 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>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 1 0 0 0 1 %>85 1 0 1 0 2 %>85 7 0 0 1 7 %>80 5 2 4 1 7 %>80 31 2 3 6 28 BALTIMORE_MD BIRMINGHAM_AL BWI 0509 0510 0511 0512 0513 BHM 0509 0510 0511 0512 0513 MAX 64 69 75 76 77 MAX 76 71 72 76 78 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 2 1 %>95 0 0 0 0 0 %>90 0 0 1 6 4 %>90 0 0 0 0 1 %>85 0 0 7 16 13 %>85 2 1 0 2 7 %>80 0 2 22 33 33 %>80 16 5 4 17 33 BOSTON_MA BUFFALO_NY BOS 0509 0510 0511 0512 0513 BUF 0509 0510 0511 0512 0513 MAX 53 63 66 71 71 MAX 56 63 64 73 77 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 1 0 %>95 0 0 0 0 1 %>90 0 0 0 3 2 %>90 0 0 0 2 6 %>85 0 0 0 8 6 %>85 0 0 1 7 17 %>80 0 1 1 18 17 %>80 0 0 4 19 37 CHARLESTON_SC CHARLESTON_WV CHS 0509 0510 0511 0512 0513 CRW 0509 0510 0511 0512 0513 MAX 85 72 77 78 82 MAX 64 72 77 81 82 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 1 0 0 0 0 %>105 0 0 0 0 1 %>100 3 0 0 0 1 %>100 0 0 0 2 3 %>95 10 0 0 0 4 %>95 0 0 1 7 8 %>90 25 0 0 1 14 %>90 0 1 4 17 19 %>85 47 1 5 10 33 %>85 0 6 14 34 36 %>80 70 8 25 36 59 %>80 1 16 34 55 57 CHARLOTTE_NC CHICAGO_IL CLT 0509 0510 0511 0512 0513 ORD 0509 0510 0511 0512 0513 MAX 78 69 71 71 76 MAX 61 72 72 78 79 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 1 2 2 3 %>90 1 0 0 0 2 %>90 0 4 5 7 10 %>85 9 1 2 1 10 %>85 0 10 12 20 26 %>80 34 5 10 8 29 %>80 0 22 24 41 49 CINCINNATI_OH CLEVELAND_OH LUK 0509 0510 0511 0512 0513 CLE 0509 0510 0511 0512 0513 MAX 66 72 76 81 79 MAX 57 66 66 74 77 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 1 0 %>100 0 0 0 0 1 %>95 0 0 1 5 1 %>95 0 0 0 2 3 %>90 0 1 4 14 7 %>90 0 0 1 5 8 %>85 1 4 13 31 21 %>85 0 2 4 13 20 %>80 3 14 31 53 46 %>80 0 6 9 27 37 COLUMBIA_SC COLUMBUS_OH CAE 0509 0510 0511 0512 0513 TZR 0509 0510 0511 0512 0513 MAX 83 68 73 75 80 MAX 63 72 76 81 80 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 1 0 0 0 0 %>100 0 0 0 2 1 %>95 4 0 0 0 2 %>95 0 0 2 6 3 %>90 15 0 1 1 7 %>90 0 1 6 16 10 %>85 39 0 4 5 22 %>85 0 5 15 33 26 %>80 68 2 16 21 49 %>80 0 15 32 54 50 DAYTON_OH DETROIT_MI MGY 0509 0510 0511 0512 0513 DET 0509 0510 0511 0512 0513 MAX 66 73 77 81 80 MAX 63 73 70 77 80 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 2 1 %>100 0 0 0 1 1 %>95 0 0 2 6 3 %>95 0 1 1 3 3 %>90 0 2 6 16 10 %>90 0 3 3 8 11 %>85 1 6 17 33 27 %>85 0 9 8 20 27 %>80 3 18 35 54 51 %>80 2 22 18 38 49 EVANSVILLE_IN GRAND_RAPIDS_MI EVV 0509 0510 0511 0512 0513 GRR 0509 0510 0511 0512 0513 MAX 68 72 77 78 79 MAX 65 72 74 80 82 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 1 1 %>95 0 0 0 0 1 %>95 0 0 1 3 4 %>90 0 1 2 3 4 %>90 0 1 5 11 15 %>85 0 4 10 14 18 %>85 0 3 12 28 36 %>80 3 14 30 39 45 %>80 2 13 26 52 62 GREENSBORO_NC HUNTSVILLE_AL GSO 0509 0510 0511 0512 0513 HSV 0509 0510 0511 0512 0513 MAX 73 69 70 71 75 MAX 75 70 73 76 78 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>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 1 0 0 1 3 %>85 1 1 2 1 5 %>85 5 1 2 5 13 %>80 8 5 9 7 20 %>80 20 6 11 21 37 INDIANAPOLIS_IN KNOXVILLE_TN IND 0509 0510 0511 0512 0513 TYS 0509 0510 0511 0512 0513 MAX 67 74 77 81 81 MAX 73 70 76 76 79 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 1 0 %>100 0 0 0 0 1 %>95 0 0 2 4 3 %>95 0 0 0 0 3 %>90 0 2 6 12 10 %>90 1 0 3 1 10 %>85 1 8 17 30 28 %>85 6 2 11 7 24 %>80 4 21 37 54 55 %>80 19 8 30 25 45 LEXINGTON_KY LOUISVILLE_KY LEX 0509 0510 0511 0512 0513 SDF 0509 0510 0511 0512 0513 MAX 66 70 75 78 79 MAX 68 71 76 79 81 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 0 2 %>95 0 0 0 1 2 %>95 0 0 0 2 5 %>90 0 0 1 5 7 %>90 0 1 3 8 14 %>85 0 1 5 17 21 %>85 1 3 11 22 31 %>80 3 7 20 39 44 %>80 5 12 30 46 53 MEMPHIS_TN MIAMI_FL MEM 0509 0510 0511 0512 0513 MIA 0509 0510 0511 0512 0513 MAX 72 70 75 77 82 MAX 91 91 93 93 90 %>110 0 0 0 0 0 %>110 0 0 0 1 0 %>105 0 0 0 0 0 %>105 0 0 1 5 1 %>100 0 0 0 0 0 %>100 2 4 10 17 7 %>95 0 0 0 0 2 %>95 16 22 34 40 22 %>90 0 0 1 1 11 %>90 54 59 68 67 48 %>85 0 1 4 7 32 %>85 90 90 92 87 75 %>80 3 5 19 28 63 %>80 99 99 99 97 92 MILWAUKEE_WI MOBILE_AL MKE 0509 0510 0511 0512 0513 MOB 0509 0510 0511 0512 0513 MAX 57 63 62 68 69 MAX 80 80 81 82 84 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 0 1 %>95 0 0 0 0 0 %>95 1 0 2 2 4 %>90 0 0 0 1 1 %>90 4 4 8 10 18 %>85 0 1 1 3 3 %>85 17 16 24 30 46 %>80 0 3 4 9 9 %>80 47 46 53 62 77 NASHVILLE_TN NEW_YORK_CITY_NY BNA 0509 0510 0511 0512 0513 NYC 0509 0510 0511 0512 0513 MAX 72 70 77 77 80 MAX 61 67 72 72 75 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 1 %>100 0 0 0 0 0 %>95 0 0 1 0 4 %>95 0 0 0 2 1 %>90 0 0 4 1 12 %>90 0 0 1 5 5 %>85 3 1 14 7 28 %>85 0 0 6 11 13 %>80 12 7 35 28 51 %>80 0 3 17 23 28 NORFOLK_VA ORLANDO_FL ORF 0509 0510 0511 0512 0513 ORL 0509 0510 0511 0512 0513 MAX 71 70 71 74 76 MAX 95 92 91 88 87 %>110 0 0 0 0 0 %>110 2 2 1 0 0 %>105 0 0 0 0 0 %>105 8 6 3 1 1 %>100 0 0 0 0 0 %>100 23 17 12 6 4 %>95 0 0 0 0 1 %>95 49 35 29 17 14 %>90 1 1 1 2 4 %>90 76 57 54 38 35 %>85 4 2 3 7 11 %>85 92 78 77 63 62 %>80 12 7 10 20 29 %>80 98 91 92 83 84 PHILADELPHIA_PA PITTSBURGH_PA PHL 0509 0510 0511 0512 0513 PIT 0509 0510 0511 0512 0513 MAX 63 69 76 77 78 MAX 60 70 75 80 81 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 1 1 %>95 0 0 0 1 1 %>95 0 0 1 4 5 %>90 0 0 2 5 5 %>90 0 0 4 12 14 %>85 0 0 9 14 17 %>85 0 2 11 29 32 %>80 0 2 26 33 39 %>80 0 7 27 52 55 PORTLAND_ME PROVIDENCE_RI PWM 0509 0510 0511 0512 0513 PVD 0509 0510 0511 0512 0513 MAX 50 58 60 64 66 MAX 57 64 69 69 72 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>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 2 %>85 0 0 0 3 4 %>80 0 0 0 3 5 %>80 0 0 2 9 14 RALEIGH-DURHAM_NC RICHMOND_VA RDU 0509 0510 0511 0512 0513 RIC 0509 0510 0511 0512 0513 MAX 75 71 73 75 77 MAX 68 70 75 78 79 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 0 %>105 0 0 0 0 0 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 1 2 %>90 1 0 1 1 3 %>90 0 0 1 5 8 %>85 5 3 4 4 12 %>85 0 0 7 16 22 %>80 21 11 15 20 34 %>80 1 1 23 37 46 SAVANNAH_GA TALLAHASSEE_FL SAV 0509 0510 0511 0512 0513 TLH 0509 0510 0511 0512 0513 MAX 85 76 77 80 85 MAX 85 80 80 85 87 %>110 0 0 0 0 0 %>110 0 0 0 0 0 %>105 0 0 0 0 1 %>105 1 0 0 2 1 %>100 2 0 0 0 4 %>100 5 1 0 6 4 %>95 9 0 0 1 13 %>95 13 3 2 14 13 %>90 26 1 0 6 29 %>90 29 9 8 29 32 %>85 51 8 5 21 52 %>85 50 25 23 49 60 %>80 76 25 27 50 74 %>80 72 50 51 70 83 TAMPA_FL WASHINGTON_DC TPA 0509 0510 0511 0512 0513 DCA 0509 0510 0511 0512 0513 MAX 92 91 90 87 87 MAX 64 69 75 77 78 %>110 1 2 2 0 0 %>110 0 0 0 0 0 %>105 3 5 5 1 1 %>105 0 0 0 0 0 %>100 11 14 13 5 4 %>100 0 0 0 0 0 %>95 31 31 29 15 14 %>95 0 0 0 2 1 %>90 63 53 51 34 34 %>90 0 0 1 6 4 %>85 88 75 73 59 61 %>85 0 0 6 17 14 %>80 98 90 89 81 83 %>80 0 1 22 36 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