FMUS24 KWNH 181730 PRBWHI DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1727 UTC SAT APR 18 2026 MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS AT WESTERN US CITIES - DAYS 3 TO 7 FROM SAT APR 18 2026 ABILENE_TX ALBUQUERQUE_NM ABI 0421 0422 0423 0424 0425 ABQ 0421 0422 0423 0424 0425 MEAN 62 72 77 73 69 MEAN 61 62 56 55 55 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 0 0 0 0 0 %>90 0 0 0 1 3 %>90 0 0 0 0 0 %>85 0 0 2 4 7 %>85 0 0 0 0 0 %>80 0 4 20 15 15 %>80 0 0 0 0 0 %>75 0 25 64 38 28 %>75 0 0 0 0 0 %>70 2 70 95 66 45 %>70 1 5 0 0 1 AMARILLO_TX AUSTIN_TX AMA 0421 0422 0423 0424 0425 AUS 0421 0422 0423 0424 0425 MEAN 64 70 68 59 58 MEAN 64 73 78 80 76 %>100 0 0 0 0 0 %>100 0 0 0 0 1 %>95 0 0 0 0 0 %>95 0 0 0 0 3 %>90 0 0 0 0 0 %>90 0 0 1 2 8 %>85 0 0 0 0 0 %>85 0 1 6 14 18 %>80 0 0 0 0 1 %>80 0 8 31 46 35 %>75 0 4 4 2 3 %>75 0 35 72 81 56 %>70 2 50 33 7 9 %>70 4 75 95 97 75 BATON_ROUGE_LA BISMARCK_ND BTR 0421 0422 0423 0424 0425 BIS 0421 0422 0423 0424 0425 MEAN 65 70 73 77 77 MEAN 54 62 55 36 34 %>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 0 0 0 0 0 %>85 0 0 0 2 8 %>85 0 0 0 0 0 %>80 0 1 1 21 31 %>80 0 0 0 0 0 %>75 0 12 25 68 65 %>75 0 0 2 0 0 %>70 7 50 81 96 90 %>70 0 5 5 0 0 BROWNSVILLE_TX CORPUS_CHRISTI_TX BRO 0421 0422 0423 0424 0425 CRP 0421 0422 0423 0424 0425 MEAN 78 80 82 84 85 MEAN 74 78 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 0 3 7 %>90 0 0 0 1 7 %>85 1 1 8 42 47 %>85 0 2 3 20 28 %>80 20 49 78 94 92 %>80 3 28 53 78 63 %>75 83 99 100 100 100 %>75 38 85 98 99 90 %>70 100 100 100 100 100 %>70 90 100 100 100 99 DALLAS_TX DENVER_CO DFW 0421 0422 0423 0424 0425 DEN 0421 0422 0423 0424 0425 MEAN 61 69 76 77 71 MEAN 60 64 52 43 43 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 0 0 0 0 0 %>90 0 0 0 2 3 %>90 0 0 0 0 0 %>85 0 0 1 10 8 %>85 0 0 0 0 0 %>80 0 0 17 30 18 %>80 0 0 0 0 0 %>75 0 3 60 59 33 %>75 0 1 0 0 0 %>70 1 41 93 84 52 %>70 1 11 0 0 0 DES_MOINES_IA EL_PASO_TX DSM 0421 0422 0423 0424 0425 ELP 0421 0422 0423 0424 0425 MEAN 65 67 69 53 48 MEAN 68 69 66 65 66 %>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 1 0 0 %>80 0 0 0 0 0%>75 1 6 9 1 0 %>75 2 3 1 1 3 %>70 12 27 42 4 0 %>70 28 34 13 11 18 FRESNO_CA GOODLAND_KS FAT 0421 0422 0423 0424 0425 GLD 0421 0422 0423 0424 0425 MEAN 58 57 57 60 63 MEAN 62 67 60 46 45 %>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 3 %>75 0 0 1 0 0 %>70 0 0 0 2 12 %>70 1 15 6 0 0 GREAT_FALLS_MT HOUSTON_TX GTF 0421 0422 0423 0424 0425 HOU 0421 0422 0423 0424 0425 MEAN 59 56 35 33 35 MEAN 68 73 78 81 80 %>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 0 0 0 %>90 0 0 0 1 6 %>85 0 0 0 0 0 %>85 0 0 3 12 21 %>80 0 0 0 0 0 %>80 0 3 28 58 50 %>75 0 0 0 0 0 %>75 2 31 80 94 78 %>70 0 1 0 0 0 %>70 31 84 99 100 94 JACKSON_MS KANSAS_CITY_MO JAN 0421 0422 0423 0424 0425 MCI 0421 0422 0423 0424 0425 MEAN 65 69 70 74 73 MEAN 66 67 71 59 52 %>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 3 %>85 0 0 0 1 0 %>80 0 0 0 7 14 %>80 0 0 2 2 0 %>75 0 7 5 40 39 %>75 1 4 16 6 0 %>70 4 38 55 83 70 %>70 13 26 56 14 1 LAS_VEGAS_NV LITTLE_ROCK_AR LAS 0421 0422 0423 0424 0425 LIT 0421 0422 0423 0424 0425 MEAN 68 60 60 63 63 MEAN 63 67 71 73 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 1 0 0 1 1 %>85 0 0 0 1 2 %>80 4 0 0 3 3 %>80 0 0 1 10 7 %>75 15 2 2 9 8 %>75 0 3 13 37 19 %>70 38 8 7 21 21 %>70 4 23 60 74 38 LOS_ANGELES_CA MIDLAND_TX LAX 0421 0422 0423 0424 0425 MAF 0421 0422 0423 0424 0425 MEAN 61 60 61 62 62 MEAN 66 73 74 70 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 0 0 0 0 %>90 0 0 0 0 1 %>85 0 0 0 0 0 %>85 0 0 0 0 3 %>80 0 0 0 0 0 %>80 0 1 1 4 9 %>75 0 0 0 1 1 %>75 0 23 36 18 21 %>70 1 0 1 4 6 %>70 11 79 97 48 40 MINNEAPOLIS_MN NEW_ORLEANS_LA MSP 0421 0422 0423 0424 0425 MSY 0421 0422 0423 0424 0425 MEAN 56 60 68 50 45 MEAN 70 72 74 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 0 %>85 0 0 1 0 0 %>85 0 0 0 2 6 %>80 0 0 4 0 0 %>80 0 1 2 23 33 %>75 0 0 15 0 0 %>75 3 15 33 76 76 %>70 1 3 37 2 0 %>70 43 70 91 99 97NORTH_PLATTE_NE OKLAHOMA_CITY_OK LBF 0421 0422 0423 0424 0425 OKC 0421 0422 0423 0424 0425 MEAN 60 66 60 44 42 MEAN 60 67 74 67 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 1 0 %>85 0 0 0 0 0 %>85 0 0 0 2 1 %>80 0 0 0 0 0 %>80 0 0 4 7 4 %>75 0 1 2 0 0 %>75 0 1 36 18 10 %>70 0 17 9 0 0 %>70 0 18 85 36 21 OMAHA_NE PENDLETON_OR OMA 0421 0422 0423 0424 0425 PDT 0421 0422 0423 0424 0425 MEAN 66 68 70 50 48 MEAN 60 47 47 49 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 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 0 3 0 0 %>80 0 0 0 0 0 %>75 0 5 17 0 0 %>75 1 0 0 0 0 %>70 14 33 51 1 0 %>70 4 0 0 0 0 PHOENIX_AZ PORTLAND_OR PHX 0421 0422 0423 0424 0425 PDX 0421 0422 0423 0424 0425 MEAN 76 71 69 70 71 MEAN 55 51 52 55 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 2 0 0 0 1 %>85 0 0 0 0 0 %>80 18 4 1 4 7 %>80 0 0 0 0 0 %>75 61 23 10 18 25 %>75 0 0 0 0 0 %>70 93 61 39 49 53 %>70 0 0 0 0 1 RAPID_CITY_SD SACRAMENTO_CA RAP 0421 0422 0423 0424 0425 SAC 0421 0422 0423 0424 0425 MEAN 61 66 50 38 38 MEAN 57 56 56 59 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 2 0 0 0 %>75 0 0 0 0 1 %>70 0 19 0 0 0 %>70 0 0 0 2 5 SAINT_LOUIS_MO SALT_LAKE_CITY_UT STL 0421 0422 0423 0424 0425 SLC 0421 0422 0423 0424 0425 MEAN 64 69 72 69 57 MEAN 64 52 45 46 48 %>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 1 1 0 %>85 0 0 0 0 0 %>80 0 1 6 5 0 %>80 1 0 0 0 0 %>75 1 11 29 19 2 %>75 3 0 0 0 0 %>70 9 41 66 44 7 %>70 14 1 0 0 0 SAN_ANTONIO_TX SAN_DIEGO_CA SAT 0421 0422 0423 0424 0425 SAN 0421 0422 0423 0424 0425 MEAN 65 75 78 80 77 MEAN 61 61 61 61 61 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 2 %>95 0 0 0 0 0 %>90 0 0 0 2 7 %>90 0 0 0 0 0 %>85 0 2 6 14 19 %>85 0 0 0 0 0 %>80 0 14 31 46 38 %>80 0 0 0 0 0 %>75 1 46 72 81 61 %>75 0 0 0 0 1 %>70 12 82 96 97 80 %>70 0 1 1 1 4 SAN_FRANCISCO_CA SEATTLE_WA SFO 0421 0422 0423 0424 0425 SEA 0421 0422 0423 0424 0425 MEAN 56 55 55 56 57 MEAN 56 51 53 54 55 %>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 0421 0422 0423 0424 0425 FSD 0421 0422 0423 0424 0425 MEAN 61 68 73 77 73 MEAN 59 66 69 44 42 %>100 0 0 0 0 0 %>100 0 0 0 0 0 %>95 0 0 0 0 1 %>95 0 0 0 0 0 %>90 0 0 0 1 2 %>90 0 0 0 0 0 %>85 0 0 0 6 8 %>85 0 0 1 0 0 %>80 0 0 3 27 21 %>80 0 0 4 0 0 %>75 0 4 29 65 42 %>75 0 1 16 0 0 %>70 2 31 80 91 65 %>70 0 16 42 0 0 SPRINGFIELD_MO TUCSON_AZ SGF 0421 0422 0423 0424 0425 TUS 0421 0422 0423 0424 0425 MEAN 60 64 69 65 56 MEAN 70 67 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 1 3 0 %>80 0 0 0 0 0 %>75 0 0 9 10 1 %>75 7 3 1 2 3 %>70 0 5 43 27 5 %>70 52 25 11 16 16 TULSA_OK WICHITA_KS TUL 0421 0422 0423 0424 0425 ICT 0421 0422 0423 0424 0425 MEAN 61 67 73 68 62 MEAN 65 67 73 59 55 %>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 1 0 %>90 0 0 0 0 0 %>85 0 0 0 3 1 %>85 0 0 0 0 0 %>80 0 0 3 9 3 %>80 0 0 4 2 0 %>75 0 2 26 21 9 %>75 0 2 29 6 1 %>70 1 20 73 40 19 %>70 7 22 77 14 3 YUMA_AZ YUM 0421 0422 0423 0424 0425 MEAN 72 71 68 70 70 %>100 0 0 0 0 0 %>95 0 0 0 0 0 %>90 0 0 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 1 3 %>75 18 12 1 9 18 %>70 81 62 25 46 50 URL IS WWW.WPC.NCEP.NOAA.GOV $$