


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
486 FMUS24 KWNH 121609 PRBWHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1607 UTC TUE AUG 12 2025 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT WESTERN US CITIES - DAYS 3 TO 7 FROM TUE AUG 12 2025 ABILENE_TX ALBUQUERQUE_NM ABI 0815 0816 0817 0818 0819 ABQ 0815 0816 0817 0818 0819 MEAN 88 87 88 87 87 MEAN 76 74 75 75 76 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 1 1 1 %>95 0 0 0 0 0 %>90 17 13 23 20 20 %>90 0 0 0 1 1 %>85 84 79 82 77 69 %>85 3 1 1 5 7 %>80 100 100 99 99 96 %>80 18 8 12 20 25 %>75 100 100 100 100 100 %>75 54 39 48 52 58 %>70 100 100 100 100 100 %>70 87 82 86 84 87 AMARILLO_TX AUSTIN_TX AMA 0815 0816 0817 0818 0819 AUS 0815 0816 0817 0818 0819 MEAN 82 82 82 80 80 MEAN 91 91 90 90 92 %>100 0 0 0 0 0 %>100 1 3 1 1 3 %>95 0 0 0 0 0 %>95 18 21 12 13 22 %>90 0 0 1 1 1 %>90 65 62 50 53 64 %>85 11 12 18 11 11 %>85 95 92 88 90 93 %>80 80 77 66 53 50 %>80 100 99 99 99 100 %>75 100 100 96 92 89 %>75 100 100 100 100 100 %>70 100 100 100 100 99 %>70 100 100 100 100 100 BATON_ROUGE_LA BISMARCK_ND BTR 0815 0816 0817 0818 0819 BIS 0815 0816 0817 0818 0819 MEAN 92 94 94 93 93 MEAN 69 70 73 73 73 %>100 9 17 19 12 11 %>100 0 0 0 0 0 %>95 32 42 46 38 35 %>95 0 0 0 0 0 %>90 65 71 74 70 68 %>90 0 0 0 0 0 %>85 89 90 92 92 91 %>85 0 0 2 2 2 %>80 98 98 99 99 99 %>80 0 2 12 11 12 %>75 100 100 100 100 100 %>75 6 14 37 36 39 %>70 100 100 100 100 100 %>70 36 46 69 69 73 BROWNSVILLE_TX CORPUS_CHRISTI_TX BRO 0815 0816 0817 0818 0819 CRP 0815 0816 0817 0818 0819 MEAN 95 99 96 95 95 MEAN 96 99 95 94 94 %>100 19 41 14 13 16 %>100 15 38 12 8 8 %>95 53 75 59 50 50 %>95 53 71 48 38 39 %>90 85 94 93 87 85 %>90 93 93 91 83 85 %>85 98 99 100 99 98 %>85 100 99 100 99 99 %>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 0815 0816 0817 0818 0819 DEN 0815 0816 0817 0818 0819 MEAN 93 92 92 93 92 MEAN 76 75 74 74 75 %>100 1 1 2 2 2 %>100 0 0 0 0 0 %>95 25 18 24 28 23 %>95 0 0 0 0 0 %>90 84 76 75 79 70 %>90 0 0 0 0 0 %>85 100 99 98 99 96 %>85 4 2 0 0 1 %>80 100 100 100 100 100 %>80 22 13 5 8 13 %>75 100 100 100 100 100 %>75 59 46 38 40 48 %>70 100 100 100 100 100 %>70 89 83 85 82 85 DES_MOINES_IA EL_PASO_TX DSM 0815 0816 0817 0818 0819 ELP 0815 0816 0817 0818 0819 MEAN 86 90 86 81 79 MEAN 81 79 80 81 80 %>100 1 2 1 1 0 %>100 0 0 0 0 0 %>95 5 14 6 4 2 %>95 0 0 0 0 0 %>90 21 50 24 13 8 %>90 1 0 1 4 4 %>85 54 86 57 31 22 %>85 12 6 12 20 19 %>80 84 98 85 57 43 %>80 57 40 47 54 53 %>75 97 100 97 80 66 %>75 94 85 84 85 85 %>70 100 100 100 93 85 %>70 100 99 98 98 98 FRESNO_CA GOODLAND_KS FAT 0815 0816 0817 0818 0819 GLD 0815 0816 0817 0818 0819 MEAN 80 79 79 78 78 MEAN 81 80 78 77 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 0 0 0 %>85 4 5 2 2 3 %>85 13 12 6 3 5 %>80 45 44 33 30 31 %>80 58 52 35 26 28 %>75 92 91 89 84 81 %>75 94 90 78 72 69 %>70 100 100 100 99 98 %>70 100 99 97 96 94 GREAT_FALLS_MT HOUSTON_TX GTF 0815 0816 0817 0818 0819 HOU 0815 0816 0817 0818 0819 MEAN 66 69 70 71 70 MEAN 95 96 94 95 95 %>100 0 0 0 0 0 %>100 17 24 12 18 19 %>95 0 0 0 0 0 %>95 48 55 40 47 50 %>90 0 0 0 0 0 %>90 82 84 78 80 82 %>85 0 0 0 0 0 %>85 97 97 97 96 97 %>80 0 0 0 1 3 %>80 100 100 100 100 100 %>75 0 4 8 13 17 %>75 100 100 100 100 100 %>70 10 40 46 55 49 %>70 100 100 100 100 100 JACKSON_MS KANSAS_CITY_MO JAN 0815 0816 0817 0818 0819 MCI 0815 0816 0817 0818 0819 MEAN 92 92 91 91 90 MEAN 88 89 89 86 83 %>100 7 8 4 3 2 %>100 0 0 0 1 1 %>95 29 30 23 21 16 %>95 5 3 6 6 5 %>90 64 66 62 59 52 %>90 31 40 36 23 17 %>85 90 91 91 90 87 %>85 75 92 81 55 38 %>80 99 99 99 99 99 %>80 97 100 98 83 64 %>75 100 100 100 100 100 %>75 100 100 100 96 84 %>70 100 100 100 100 100 %>70 100 100 100 100 95 LAS_VEGAS_NV LITTLE_ROCK_AR LAS 0815 0816 0817 0818 0819 LIT 0815 0816 0817 0818 0819 MEAN 85 83 83 83 84 MEAN 91 91 92 91 90 %>100 2 0 0 0 0 %>100 0 1 1 2 2 %>95 7 2 2 2 4 %>95 11 18 20 16 16 %>90 23 12 10 11 17 %>90 58 64 70 55 51 %>85 50 36 34 35 46 %>85 95 95 97 89 86 %>80 78 70 69 69 78 %>80 100 100 100 99 98 %>75 94 92 92 92 95 %>75 100 100 100 100 100 %>70 100 99 99 99 99 %>70 100 100 100 100 100 LOS_ANGELES_CA MIDLAND_TX LAX 0815 0816 0817 0818 0819 MAF 0815 0816 0817 0818 0819 MEAN 70 69 70 71 72 MEAN 86 85 85 84 84 %>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 3 1 8 3 3 %>85 0 0 0 0 0 %>85 63 47 50 39 35 %>80 1 0 0 1 3 %>80 99 98 93 90 87 %>75 7 3 5 9 19 %>75 100 100 100 100 100 %>70 42 32 37 52 66 %>70 100 100 100 100 100 MINNEAPOLIS_MN NEW_ORLEANS_LA MSP 0815 0816 0817 0818 0819 MSY 0815 0816 0817 0818 0819 MEAN 82 81 76 73 72 MEAN 94 95 96 95 95 %>100 0 0 0 0 0 %>100 15 22 29 21 20 %>95 1 2 1 0 0 %>95 42 50 57 50 48 %>90 5 10 5 1 1 %>90 75 79 83 79 78 %>85 25 29 15 5 4 %>85 94 95 96 95 95 %>80 62 57 33 18 14 %>80 99 99 99 99 99 %>75 90 82 56 42 35 %>75 100 100 100 100 100 %>70 99 95 78 69 61 %>70 100 100 100 100 100 NORTH_PLATTE_NE OKLAHOMA_CITY_OK LBF 0815 0816 0817 0818 0819 OKC 0815 0816 0817 0818 0819 MEAN 82 82 79 78 77 MEAN 89 89 89 88 88 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 2 1 5 5 5 %>90 2 3 1 1 1 %>90 41 35 40 35 32 %>85 19 23 12 6 8 %>85 96 92 86 81 77 %>80 67 66 42 31 31 %>80 100 100 99 98 97 %>75 96 94 79 70 67 %>75 100 100 100 100 100 %>70 100 100 96 94 91 %>70 100 100 100 100 100 OMAHA_NE PENDLETON_OR OMA 0815 0816 0817 0818 0819 PDT 0815 0816 0817 0818 0819 MEAN 88 89 85 82 79 MEAN 69 71 69 70 71 %>100 0 0 1 1 0 %>100 0 0 0 0 0 %>95 4 7 5 4 2 %>95 0 0 0 0 0 %>90 31 42 21 15 9 %>90 0 0 0 0 0 %>85 78 87 52 35 24 %>85 0 0 0 0 0 %>80 98 99 81 61 47 %>80 1 1 1 1 2 %>75 100 100 96 83 71 %>75 10 12 9 10 16 %>70 100 100 99 94 88 %>70 45 56 45 48 57 PHOENIX_AZ PORTLAND_OR PHX 0815 0816 0817 0818 0819 PDX 0815 0816 0817 0818 0819 MEAN 95 92 91 92 94 MEAN 66 68 67 66 67 %>100 19 3 2 4 10 %>100 0 0 0 0 0 %>95 48 23 18 26 40 %>95 0 0 0 0 0 %>90 78 69 62 66 78 %>90 0 0 0 0 0 %>85 95 96 94 93 96 %>85 0 0 0 0 0 %>80 99 100 100 99 100 %>80 0 0 0 0 0 %>75 100 100 100 100 100 %>75 2 2 2 1 1 %>70 100 100 100 100 100 %>70 18 30 23 17 19 RAPID_CITY_SD SACRAMENTO_CA RAP 0815 0816 0817 0818 0819 SAC 0815 0816 0817 0818 0819 MEAN 75 75 76 75 76 MEAN 77 76 75 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 1 3 3 1 3 %>85 1 0 0 0 0 %>80 14 18 19 13 20 %>80 19 10 7 4 4 %>75 50 52 57 51 58 %>75 75 63 51 33 33 %>70 87 85 89 87 89 %>70 98 97 94 82 81 SAINT_LOUIS_MO SALT_LAKE_CITY_UT STL 0815 0816 0817 0818 0819 SLC 0815 0816 0817 0818 0819 MEAN 89 92 93 90 86 MEAN 76 75 75 75 76 %>100 3 7 7 3 3 %>100 0 0 0 0 0 %>95 15 29 31 18 11 %>95 0 0 0 0 0 %>90 41 65 71 51 30 %>90 0 0 0 0 0 %>85 72 91 94 83 57 %>85 4 2 1 0 1 %>80 92 99 100 97 81 %>80 22 14 10 8 11 %>75 99 100 100 100 94 %>75 62 53 55 54 60 %>70 100 100 100 100 99 %>70 89 86 87 88 90 SAN_ANTONIO_TX SAN_DIEGO_CA SAT 0815 0816 0817 0818 0819 SAN 0815 0816 0817 0818 0819 MEAN 91 91 90 89 91 MEAN 68 67 67 69 70 %>100 1 4 1 0 1 %>100 0 0 0 0 0 %>95 14 23 12 7 15 %>95 0 0 0 0 0 %>90 59 61 49 42 55 %>90 0 0 0 0 0 %>85 94 90 87 86 91 %>85 0 0 0 0 0 %>80 100 99 99 99 99 %>80 0 0 0 0 0 %>75 100 100 100 100 100 %>75 1 0 0 1 9 %>70 100 100 100 100 100 %>70 22 11 14 27 48 SAN_FRANCISCO_CA SEATTLE_WA SFO 0815 0816 0817 0818 0819 SEA 0815 0816 0817 0818 0819 MEAN 63 63 62 61 61 MEAN 62 65 64 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 0 0 0 0 %>80 0 0 0 0 0 %>75 0 0 0 0 0 %>75 0 0 0 0 0 %>70 1 1 1 0 0 %>70 0 9 4 3 3 SHREVEPORT_LA SIOUX_FALLS_SD SHV 0815 0816 0817 0818 0819 FSD 0815 0816 0817 0818 0819 MEAN 92 92 93 92 92 MEAN 84 83 79 78 75 %>100 3 4 7 4 4 %>100 0 1 0 0 0 %>95 25 25 33 26 25 %>95 3 4 2 1 0 %>90 69 66 73 67 63 %>90 15 16 9 5 2 %>85 95 94 95 94 92 %>85 44 40 24 17 9 %>80 100 100 100 100 99 %>80 78 68 47 39 26 %>75 100 100 100 100 100 %>75 96 89 71 66 52 %>70 100 100 100 100 100 %>70 100 97 88 87 77 SPRINGFIELD_MO TUCSON_AZ SGF 0815 0816 0817 0818 0819 TUS 0815 0816 0817 0818 0819 MEAN 87 89 88 88 85 MEAN 85 83 84 85 87 %>100 0 0 0 1 0 %>100 1 0 0 0 1 %>95 3 3 5 7 4 %>95 6 1 2 3 6 %>90 25 32 34 32 18 %>90 21 6 10 15 25 %>85 73 86 80 72 47 %>85 51 31 37 50 63 %>80 97 100 98 95 79 %>80 83 75 78 87 92 %>75 100 100 100 100 95 %>75 97 97 97 99 99 %>70 100 100 100 100 99 %>70 100 100 100 100 100 TULSA_OK WICHITA_KS TUL 0815 0816 0817 0818 0819 ICT 0815 0816 0817 0818 0819 MEAN 92 92 91 91 89 MEAN 89 89 89 87 85 %>100 3 1 2 3 2 %>100 0 0 0 0 0 %>95 23 15 18 19 14 %>95 3 1 4 3 3 %>90 69 70 57 59 45 %>90 35 34 37 25 18 %>85 96 98 90 91 79 %>85 87 92 86 71 52 %>80 100 100 99 99 96 %>80 100 100 99 96 85 %>75 100 100 100 100 100 %>75 100 100 100 100 98 %>70 100 100 100 100 100 %>70 100 100 100 100 100 YUMA_AZ YUM 0815 0816 0817 0818 0819 MEAN 95 90 88 88 92 %>100 13 0 0 0 3 %>95 51 10 2 4 22 %>90 88 50 27 33 64 %>85 99 91 80 81 93 %>80 100 100 99 98 99 %>75 100 100 100 100 100 %>70 100 100 100 100 100 URL IS WWW.WPC.NCEP.NOAA.GOV $$