


Heat Index Forecast Tables
Issued by NWS
Issued by NWS
664 FMUS24 KWNH 171700 PRBWHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1654 UTC SUN AUG 17 2025 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT WESTERN US CITIES - DAYS 3 TO 7 FROM SUN AUG 17 2025 ABILENE_TX ALBUQUERQUE_NM ABI 0820 0821 0822 0823 0824 ABQ 0820 0821 0822 0823 0824 MIN 75 73 71 70 71 MIN 64 64 64 64 62 %>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 4 3 2 1 1 %>80 0 0 0 0 0 %>75 50 30 17 13 15 %>75 0 1 1 1 1 %>70 94 80 55 51 57 %>70 7 9 10 11 8 AMARILLO_TX AUSTIN_TX AMA 0820 0821 0822 0823 0824 AUS 0820 0821 0822 0823 0824 MIN 67 66 64 63 64 MIN 78 78 75 75 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 0 0 0 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>85 1 1 2 1 1 %>80 0 0 0 0 0 %>80 23 24 16 14 14 %>75 3 1 1 2 1 %>75 80 78 51 54 60 %>70 23 15 11 11 11 %>70 99 99 85 90 94 BATON_ROUGE_LA BISMARCK_ND BTR 0820 0821 0822 0823 0824 BIS 0820 0821 0822 0823 0824 MIN 77 77 76 76 75 MIN 66 68 57 52 51 %>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 2 4 1 0 0 %>85 0 0 0 0 0 %>80 24 27 14 8 7 %>80 0 1 0 0 0 %>75 71 69 61 63 56 %>75 3 10 0 0 0 %>70 97 95 94 98 96 %>70 19 37 1 0 0 BROWNSVILLE_TX CORPUS_CHRISTI_TX BRO 0820 0821 0822 0823 0824 CRP 0820 0821 0822 0823 0824 MIN 80 79 80 81 82 MIN 79 80 80 80 80 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 0 0 1 1 1 %>90 1 1 2 4 4 %>90 4 3 6 5 5 %>85 8 8 16 22 25 %>85 15 15 20 19 14 %>80 44 43 53 61 65 %>80 43 44 49 50 44 %>75 88 89 88 91 93 %>75 80 82 80 82 81 %>70 99 99 99 99 99 %>70 97 97 95 96 97 DALLAS_TX DENVER_CO DFW 0820 0821 0822 0823 0824 DEN 0820 0821 0822 0823 0824 MIN 81 78 76 76 76 MIN 62 63 62 59 58 %>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 4 2 1 0 0 %>90 0 0 0 0 0 %>85 22 10 7 3 4 %>85 0 0 0 0 0 %>80 58 35 27 22 21 %>80 0 0 0 0 0 %>75 86 70 60 62 55 %>75 0 0 1 0 0 %>70 97 92 87 92 85 %>70 2 2 5 1 1 DES_MOINES_IA EL_PASO_TX DSM 0820 0821 0822 0823 0824 ELP 0820 0821 0822 0823 0824 MIN 66 62 62 63 58 MIN 72 71 71 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 0 0 0 0 %>80 4 3 4 2 2 %>75 0 0 0 1 0 %>75 24 19 20 15 14 %>70 10 1 2 8 2 %>70 63 58 57 49 48 FRESNO_CA GOODLAND_KS FAT 0820 0821 0822 0823 0824 GLD 0820 0821 0822 0823 0824 MIN 62 66 71 73 71 MIN 63 63 62 60 59 %>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 4 5 3 %>80 0 0 0 0 0 %>75 0 3 23 34 24 %>75 1 2 3 1 2 %>70 2 20 61 75 65 %>70 8 12 12 7 7 GREAT_FALLS_MT HOUSTON_TX GTF 0820 0821 0822 0823 0824 HOU 0820 0821 0822 0823 0824 MIN 58 56 50 49 51 MIN 82 82 79 79 79 %>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 4 4 1 1 1 %>85 0 0 0 0 0 %>85 29 26 10 8 8 %>80 0 0 0 0 0 %>80 69 65 43 38 39 %>75 0 0 0 0 0 %>75 93 90 82 79 81 %>70 1 0 0 0 0 %>70 99 99 98 97 98 JACKSON_MS KANSAS_CITY_MO JAN 0820 0821 0822 0823 0824 MCI 0820 0821 0822 0823 0824 MIN 76 75 74 73 73 MIN 70 65 65 65 62 %>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 1 0 0 0 %>85 0 0 0 0 0 %>80 14 12 4 2 1 %>80 2 0 0 0 0 %>75 64 54 37 32 28 %>75 15 1 0 3 2 %>70 96 91 87 85 87 %>70 50 11 6 17 10 LAS_VEGAS_NV LITTLE_ROCK_AR LAS 0820 0821 0822 0823 0824 LIT 0820 0821 0822 0823 0824 MIN 79 81 82 83 82 MIN 75 73 71 71 70 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 1 2 2 2 1 %>95 0 0 0 0 0 %>90 6 8 9 9 6 %>90 1 0 0 0 0 %>85 20 27 31 33 26 %>85 5 1 0 0 0 %>80 44 57 64 68 62 %>80 20 8 1 2 3 %>75 71 84 90 92 89 %>75 52 34 16 20 17 %>70 91 97 99 99 98 %>70 82 71 64 64 48 LOS_ANGELES_CA MIDLAND_TX LAX 0820 0821 0822 0823 0824 MAF 0820 0821 0822 0823 0824 MIN 65 67 69 69 69 MIN 72 71 70 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 0 0 0 1 1 %>80 1 1 1 1 1 %>75 0 2 7 8 8 %>75 18 14 10 8 10 %>70 3 22 42 42 38 %>70 75 64 52 36 50 MINNEAPOLIS_MN NEW_ORLEANS_LA MSP 0820 0821 0822 0823 0824 MSY 0820 0821 0822 0823 0824 MIN 61 62 65 59 55 MIN 83 82 81 80 80 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>95 1 1 0 0 0 %>90 0 0 0 0 0 %>90 7 6 3 2 2 %>85 0 0 0 0 0 %>85 34 29 18 16 15 %>80 0 0 0 0 0 %>80 71 65 56 52 49 %>75 0 0 1 0 0 %>75 93 90 87 86 84 %>70 4 4 12 0 0 %>70 99 99 98 98 97 NORTH_PLATTE_NE OKLAHOMA_CITY_OK LBF 0820 0821 0822 0823 0824 OKC 0820 0821 0822 0823 0824 MIN 65 63 64 60 58 MIN 75 71 68 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 7 4 1 1 1 %>75 0 1 1 0 0 %>75 46 23 8 8 10 %>70 6 9 11 4 2 %>70 90 62 37 42 45 OMAHA_NE PENDLETON_OR OMA 0820 0821 0822 0823 0824 PDT 0820 0821 0822 0823 0824 MIN 66 63 64 63 59 MIN 57 54 56 58 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 1 0 1 2 1 %>75 0 0 0 2 2 %>70 18 3 8 11 4 %>70 0 0 2 6 8 PHOENIX_AZ PORTLAND_OR PHX 0820 0821 0822 0823 0824 PDX 0820 0821 0822 0823 0824 MIN 86 89 90 89 88 MIN 57 54 57 58 57 %>100 1 1 2 2 2 %>100 0 0 0 0 0 %>95 5 11 15 14 11 %>95 0 0 0 0 0 %>90 22 42 46 45 37 %>90 0 0 0 0 0 %>85 54 80 81 80 72 %>85 0 0 0 0 0 %>80 83 97 97 97 94 %>80 0 0 0 0 0 %>75 97 100 100 100 99 %>75 0 0 0 0 0 %>70 100 100 100 100 100 %>70 0 0 0 0 0 RAPID_CITY_SD SACRAMENTO_CA RAP 0820 0821 0822 0823 0824 SAC 0820 0821 0822 0823 0824 MIN 65 69 61 57 56 MIN 56 60 62 62 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 2 0 0 0 %>80 0 0 0 0 0 %>75 4 11 1 0 0 %>75 0 0 1 1 0 %>70 19 41 4 1 1 %>70 0 2 7 6 4 SAINT_LOUIS_MO SALT_LAKE_CITY_UT STL 0820 0821 0822 0823 0824 SLC 0820 0821 0822 0823 0824 MIN 74 69 69 69 66 MIN 68 68 68 68 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 8 0 0 0 1 %>80 1 0 0 0 0 %>75 43 5 3 3 6 %>75 6 5 6 5 4 %>70 85 43 37 42 24 %>70 32 33 36 35 28 SAN_ANTONIO_TX SAN_DIEGO_CA SAT 0820 0821 0822 0823 0824 SAN 0820 0821 0822 0823 0824 MIN 77 77 76 75 76 MIN 65 67 69 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 1 1 1 1 %>85 0 0 0 0 0 %>80 17 21 16 12 15 %>80 0 0 0 0 0 %>75 78 75 61 55 58 %>75 0 0 2 4 4 %>70 99 98 94 92 92 %>70 0 10 33 41 39 SAN_FRANCISCO_CA SEATTLE_WA SFO 0820 0821 0822 0823 0824 SEA 0820 0821 0822 0823 0824 MIN 56 56 56 56 56 MIN 57 54 55 56 56 %>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 0 0 0 %>70 0 0 0 0 0 SHREVEPORT_LA SIOUX_FALLS_SD SHV 0820 0821 0822 0823 0824 FSD 0820 0821 0822 0823 0824 MIN 77 76 74 74 74 MIN 63 61 64 58 54 %>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 2 2 0 0 0 %>85 0 0 0 0 0 %>80 23 18 7 2 3 %>80 0 0 0 0 0 %>75 74 56 44 37 36 %>75 0 0 1 0 0 %>70 97 88 88 91 86 %>70 3 3 10 1 0 SPRINGFIELD_MO TUCSON_AZ SGF 0820 0821 0822 0823 0824 TUS 0820 0821 0822 0823 0824 MIN 72 68 66 67 65 MIN 77 78 78 78 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 0 0 0 0 0 %>90 0 1 1 1 0 %>85 0 0 0 0 0 %>85 4 8 9 9 5 %>80 3 0 0 0 1 %>80 26 34 37 35 26 %>75 23 3 0 1 4 %>75 66 72 74 71 60 %>70 68 31 10 19 19 %>70 93 95 94 93 88 TULSA_OK WICHITA_KS TUL 0820 0821 0822 0823 0824 ICT 0820 0821 0822 0823 0824 MIN 75 72 70 71 70 MIN 72 68 65 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 10 1 0 0 1 %>80 2 0 0 0 0 %>75 55 21 5 10 10 %>75 20 3 0 2 3 %>70 93 74 49 57 47 %>70 65 29 10 21 16 YUMA_AZ YUM 0820 0821 0822 0823 0824 MIN 82 85 89 90 89 %>100 0 0 0 1 1 %>95 0 3 7 14 10 %>90 3 17 37 53 43 %>85 22 50 80 90 84 %>80 66 83 98 99 98 %>75 94 97 100 100 100 %>70 100 100 100 100 100 URL IS WWW.WPC.NCEP.NOAA.GOV $$