


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
818 FMUS24 KWNH 191609 PRBWHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1607 UTC TUE AUG 19 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT WESTERN US CITIES - DAYS 3 TO 7 FROM TUE AUG 19 2025 ABILENE_TX ALBUQUERQUE_NM ABI 0822 0823 0824 0825 0826 ABQ 0822 0823 0824 0825 0826 MEAN 84 83 83 84 85 MEAN 77 77 75 74 74 %>100 0 0 0 0 1 %>100 0 0 0 0 0 %>95 0 0 0 1 5 %>95 0 0 0 0 0 %>90 2 1 2 11 19 %>90 0 0 0 0 1 %>85 35 26 31 44 47 %>85 4 4 2 2 4 %>80 91 87 87 83 76 %>80 24 23 12 13 16 %>75 100 100 100 98 93 %>75 67 63 46 43 42 %>70 100 100 100 100 99 %>70 97 94 85 80 75 AMARILLO_TX AUSTIN_TX AMA 0822 0823 0824 0825 0826 AUS 0822 0823 0824 0825 0826 MEAN 78 76 77 77 74 MEAN 89 88 88 89 89 %>100 0 0 0 0 0 %>100 0 0 0 1 2 %>95 0 0 0 0 1 %>95 6 3 1 8 13 %>90 0 0 0 2 3 %>90 38 31 25 44 45 %>85 0 1 1 10 9 %>85 83 84 83 86 81 %>80 14 14 19 30 24 %>80 99 99 100 99 97 %>75 87 64 67 59 47 %>75 100 100 100 100 100 %>70 100 97 96 83 71 %>70 100 100 100 100 100 BATON_ROUGE_LA BISMARCK_ND BTR 0822 0823 0824 0825 0826 BIS 0822 0823 0824 0825 0826 MEAN 89 89 89 89 87 MEAN 65 59 57 57 61 %>100 1 1 1 1 2 %>100 0 0 0 0 0 %>95 9 10 12 10 11 %>95 0 0 0 0 0 %>90 44 43 45 41 33 %>90 0 0 0 0 0 %>85 86 83 83 81 64 %>85 0 0 0 0 0 %>80 99 98 98 97 87 %>80 0 0 0 0 0 %>75 100 100 100 100 97 %>75 1 0 0 0 0 %>70 100 100 100 100 100 %>70 11 0 0 0 4 BROWNSVILLE_TX CORPUS_CHRISTI_TX BRO 0822 0823 0824 0825 0826 CRP 0822 0823 0824 0825 0826 MEAN 94 94 94 95 95 MEAN 92 92 92 92 94 %>100 6 8 11 16 10 %>100 4 4 4 4 10 %>95 39 41 40 48 49 %>95 24 23 24 24 41 %>90 85 83 76 82 89 %>90 70 68 68 69 82 %>85 99 98 96 97 99 %>85 96 96 95 96 98 %>80 100 100 100 100 100 %>80 100 100 100 100 100 %>75 100 100 100 100 100 %>75 100 100 100 100 100 %>70 100 100 100 100 100 %>70 100 100 100 100 100 DALLAS_TX DENVER_CO DFW 0822 0823 0824 0825 0826 DEN 0822 0823 0824 0825 0826 MEAN 88 88 89 88 87 MEAN 74 71 69 68 67 %>100 0 0 0 1 4 %>100 0 0 0 0 0 %>95 1 1 3 9 15 %>95 0 0 0 0 0 %>90 28 25 35 36 35 %>90 0 0 0 0 0 %>85 86 83 88 73 61 %>85 2 0 0 0 0 %>80 100 100 100 94 83 %>80 12 4 2 1 1 %>75 100 100 100 99 95 %>75 43 22 12 10 6 %>70 100 100 100 100 99 %>70 79 61 43 37 26 DES_MOINES_IA EL_PASO_TX DSM 0822 0823 0824 0825 0826 ELP 0822 0823 0824 0825 0826 MEAN 78 70 64 62 62 MEAN 81 80 79 79 80 %>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 1 0 0 0 1 %>85 8 0 0 0 0 %>85 16 7 5 9 12 %>80 34 2 0 0 0 %>80 66 50 37 45 53 %>75 73 14 1 0 1 %>75 97 94 84 86 90 %>70 95 50 9 3 9 %>70 100 100 99 99 99 FRESNO_CA GOODLAND_KS FAT 0822 0823 0824 0825 0826 GLD 0822 0823 0824 0825 0826 MEAN 88 89 88 87 85 MEAN 77 72 69 66 65 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 2 4 3 1 1 %>95 0 0 0 0 0 %>90 27 40 33 23 12 %>90 0 0 0 0 0 %>85 77 87 84 76 50 %>85 1 0 0 0 0 %>80 97 99 99 98 88 %>80 21 4 1 1 1 %>75 100 100 100 100 99 %>75 77 26 11 7 6 %>70 100 100 100 100 100 %>70 99 69 41 26 22 GREAT_FALLS_MT HOUSTON_TX GTF 0822 0823 0824 0825 0826 HOU 0822 0823 0824 0825 0826 MEAN 63 65 67 68 68 MEAN 92 91 92 92 92 %>100 0 0 0 0 0 %>100 7 3 3 6 5 %>95 0 0 0 0 0 %>95 27 19 23 29 25 %>90 0 0 0 0 0 %>90 63 61 68 69 62 %>85 0 0 0 0 0 %>85 90 93 95 94 90 %>80 0 0 0 0 0 %>80 99 100 100 100 99 %>75 0 0 1 7 7 %>75 100 100 100 100 100 %>70 2 6 17 36 36 %>70 100 100 100 100 100 JACKSON_MS KANSAS_CITY_MO JAN 0822 0823 0824 0825 0826 MCI 0822 0823 0824 0825 0826 MEAN 88 88 87 84 82 MEAN 79 76 71 67 66 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 3 4 3 1 2 %>95 0 0 0 0 0 %>90 26 28 25 11 10 %>90 0 0 0 0 0 %>85 74 72 73 41 30 %>85 5 1 0 0 0 %>80 97 96 97 78 59 %>80 37 18 2 0 1 %>75 100 100 100 96 83 %>75 85 65 18 5 7 %>70 100 100 100 100 96 %>70 99 95 55 25 27 LAS_VEGAS_NV LITTLE_ROCK_AR LAS 0822 0823 0824 0825 0826 LIT 0822 0823 0824 0825 0826 MEAN 92 92 91 89 86 MEAN 83 84 83 78 74 %>100 12 11 10 8 5 %>100 0 0 0 0 0 %>95 33 29 27 22 14 %>95 0 0 0 0 0 %>90 63 58 54 44 31 %>90 1 4 3 2 1 %>85 87 83 79 69 54 %>85 24 39 29 13 6 %>80 98 96 94 88 77 %>80 82 88 79 39 20 %>75 100 100 99 97 91 %>75 99 100 98 72 45 %>70 100 100 100 100 98 %>70 100 100 100 92 73 LOS_ANGELES_CA MIDLAND_TX LAX 0822 0823 0824 0825 0826 MAF 0822 0823 0824 0825 0826 MEAN 76 76 76 74 72 MEAN 82 81 80 82 82 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 0 1 %>90 0 0 1 0 0 %>90 0 0 0 1 6 %>85 4 4 4 2 0 %>85 8 6 8 19 30 %>80 18 17 18 11 4 %>80 73 62 56 69 68 %>75 59 56 50 39 21 %>75 100 99 95 97 93 %>70 94 92 88 83 67 %>70 100 100 100 100 99 MINNEAPOLIS_MN NEW_ORLEANS_LA MSP 0822 0823 0824 0825 0826 MSY 0822 0823 0824 0825 0826 MEAN 74 64 60 59 61 MEAN 91 90 91 90 88 %>100 0 0 0 0 0 %>100 3 2 4 2 2 %>95 0 0 0 0 0 %>95 19 17 20 16 11 %>90 0 0 0 0 0 %>90 61 54 55 52 36 %>85 0 0 0 0 0 %>85 92 87 87 87 70 %>80 2 0 0 0 0 %>80 99 99 98 99 92 %>75 32 0 0 0 0 %>75 100 100 100 100 99 %>70 88 2 0 0 1 %>70 100 100 100 100 100 NORTH_PLATTE_NE OKLAHOMA_CITY_OK LBF 0822 0823 0824 0825 0826 OKC 0822 0823 0824 0825 0826 MEAN 74 68 66 65 64 MEAN 82 82 80 78 73 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 0 1 1 %>90 0 0 0 0 0 %>90 0 1 2 5 3 %>85 0 0 0 0 0 %>85 9 20 16 17 9 %>80 7 0 0 1 0 %>80 72 76 54 38 22 %>75 44 6 3 5 3 %>75 99 99 88 64 42 %>70 87 34 19 20 16 %>70 100 100 99 85 64 OMAHA_NE PENDLETON_OR OMA 0822 0823 0824 0825 0826 PDT 0822 0823 0824 0825 0826 MEAN 80 71 66 63 64 MEAN 72 75 78 77 76 %>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 0 0 0 0 %>90 0 0 0 0 0 %>85 15 0 0 0 0 %>85 0 1 3 3 3 %>80 50 3 0 0 1 %>80 1 11 27 24 18 %>75 85 19 2 1 4 %>75 19 50 76 72 55 %>70 98 58 18 7 17 %>70 73 89 97 96 88 PHOENIX_AZ PORTLAND_OR PHX 0822 0823 0824 0825 0826 PDX 0822 0823 0824 0825 0826 MEAN 100 99 98 96 93 MEAN 75 76 74 73 72 %>100 49 42 31 27 14 %>100 0 0 0 0 0 %>95 83 79 70 58 38 %>95 0 0 0 0 0 %>90 97 96 94 84 68 %>90 0 0 0 0 0 %>85 100 100 99 96 89 %>85 0 0 0 0 1 %>80 100 100 100 100 98 %>80 2 10 7 6 6 %>75 100 100 100 100 100 %>75 49 66 42 32 26 %>70 100 100 100 100 100 %>70 98 98 86 72 62 RAPID_CITY_SD SACRAMENTO_CA RAP 0822 0823 0824 0825 0826 SAC 0822 0823 0824 0825 0826 MEAN 69 66 64 64 65 MEAN 80 80 79 79 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 1 1 1 2 1 %>85 0 0 0 0 0 %>85 14 12 10 12 7 %>80 0 0 0 0 0 %>80 51 48 40 41 29 %>75 5 1 0 2 4 %>75 87 86 79 78 66 %>70 43 13 9 14 20 %>70 98 99 97 96 92 SAINT_LOUIS_MO SALT_LAKE_CITY_UT STL 0822 0823 0824 0825 0826 SLC 0822 0823 0824 0825 0826 MEAN 78 78 72 68 68 MEAN 79 80 77 74 72 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 1 0 0 0 %>90 0 0 0 0 0 %>90 3 4 1 0 0 %>85 3 3 0 0 0 %>85 13 17 7 2 1 %>80 29 30 5 0 1 %>80 43 47 30 15 7 %>75 78 80 28 5 8 %>75 79 78 67 47 29 %>70 98 99 68 31 32 %>70 96 95 91 80 64 SAN_ANTONIO_TX SAN_DIEGO_CA SAT 0822 0823 0824 0825 0826 SAN 0822 0823 0824 0825 0826 MEAN 88 88 88 89 89 MEAN 74 74 74 73 71 %>100 0 0 0 0 1 %>100 0 0 0 0 0 %>95 4 4 3 6 11 %>95 0 0 0 0 0 %>90 33 32 28 38 43 %>90 0 0 0 0 0 %>85 80 80 80 83 81 %>85 0 1 1 0 0 %>80 98 98 99 99 97 %>80 10 12 13 5 1 %>75 100 100 100 100 100 %>75 41 43 43 31 16 %>70 100 100 100 100 100 %>70 76 77 78 71 58 SAN_FRANCISCO_CA SEATTLE_WA SFO 0822 0823 0824 0825 0826 SEA 0822 0823 0824 0825 0826 MEAN 62 62 62 62 62 MEAN 68 70 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 1 1 1 1 0 %>75 1 5 6 6 6 %>70 4 4 3 4 3 %>70 28 58 52 44 39 SHREVEPORT_LA SIOUX_FALLS_SD SHV 0822 0823 0824 0825 0826 FSD 0822 0823 0824 0825 0826 MEAN 86 87 88 86 86 MEAN 73 64 60 59 61 %>100 0 0 0 1 3 %>100 0 0 0 0 0 %>95 1 2 2 5 11 %>95 0 0 0 0 0 %>90 14 21 27 25 29 %>90 0 0 0 0 0 %>85 65 71 78 60 53 %>85 0 0 0 0 0 %>80 97 97 99 89 76 %>80 5 0 0 0 0 %>75 100 100 100 98 91 %>75 34 0 0 0 1 %>70 100 100 100 100 98 %>70 81 8 1 0 7 SPRINGFIELD_MO TUCSON_AZ SGF 0822 0823 0824 0825 0826 TUS 0822 0823 0824 0825 0826 MEAN 78 79 74 71 68 MEAN 90 89 88 87 84 %>100 0 0 0 0 0 %>100 4 3 2 3 2 %>95 0 0 0 0 0 %>95 16 12 11 12 7 %>90 0 0 0 0 0 %>90 46 39 35 31 20 %>85 2 6 2 1 0 %>85 82 76 70 60 45 %>80 25 43 13 6 2 %>80 98 96 93 86 74 %>75 80 88 44 24 12 %>75 100 100 99 97 93 %>70 99 99 80 56 35 %>70 100 100 100 100 99 TULSA_OK WICHITA_KS TUL 0822 0823 0824 0825 0826 ICT 0822 0823 0824 0825 0826 MEAN 83 83 79 76 72 MEAN 81 79 73 69 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 4 2 2 1 %>90 0 0 0 0 0 %>85 21 34 13 8 4 %>85 5 7 1 0 0 %>80 85 82 43 26 14 %>80 59 42 10 2 3 %>75 100 99 78 55 33 %>75 98 86 37 13 13 %>70 100 100 96 81 59 %>70 100 99 74 41 35 YUMA_AZ YUM 0822 0823 0824 0825 0826 MEAN 102 102 101 99 95 %>100 63 63 58 45 22 %>95 92 93 91 80 53 %>90 99 100 99 96 82 %>85 100 100 100 100 96 %>80 100 100 100 100 99 %>75 100 100 100 100 100 %>70 100 100 100 100 100 URL IS WWW.WPC.NCEP.NOAA.GOV $$