FMUS24 KWNH 181823 PRBWHL DAYS 3--7 HEAT INDEX FORECAST TABLES NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1821 UTC MON MAY 18 2026 MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS AT WESTERN US CITIES - DAYS 3 TO 7 FROM MON MAY 18 2026 ABILENE_TX ALBUQUERQUE_NM ABI 0521 0522 0523 0524 0525 ABQ 0521 0522 0523 0524 0525 MIN 64 64 65 64 65 MIN 46 45 47 48 50 %>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 5 4 9 2 8 %>70 0 0 0 0 0 AMARILLO_TX AUSTIN_TX AMA 0521 0522 0523 0524 0525 AUS 0521 0522 0523 0524 0525 MIN 51 52 52 53 54 MIN 73 72 72 71 71 %>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 23 9 13 5 10 %>70 1 1 0 1 1 %>70 90 72 72 68 68 BATON_ROUGE_LA BISMARCK_ND BTR 0521 0522 0523 0524 0525 BIS 0521 0522 0523 0524 0525 MIN 72 73 73 73 73 MIN 41 42 41 46 49 %>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 5 16 18 17 20 %>75 0 0 0 0 0 %>70 85 94 94 95 89 %>70 0 0 0 0 0 BROWNSVILLE_TX CORPUS_CHRISTI_TX BRO 0521 0522 0523 0524 0525 CRP 0521 0522 0523 0524 0525 MIN 87 84 83 82 81 MIN 81 78 78 78 77 %>100 2 0 0 0 0 %>100 0 0 0 0 0 %>95 10 1 1 0 0 %>95 0 0 0 0 0 %>90 32 11 8 3 2 %>90 0 0 0 0 0 %>85 66 40 35 22 18 %>85 8 1 1 1 1 %>80 91 79 75 64 59 %>80 59 24 25 23 22 %>75 99 98 96 94 92 %>75 99 81 84 79 76 %>70 100 100 100 100 100 %>70 100 99 100 99 99 DALLAS_TX DENVER_CO DFW 0521 0522 0523 0524 0525 DEN 0521 0522 0523 0524 0525 MIN 68 67 68 68 69 MIN 40 40 40 44 47 %>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 2 1 6 1 2 %>75 0 0 0 0 0 %>70 26 19 34 25 33 %>70 0 0 0 0 0 DES_MOINES_IA EL_PASO_TX DSM 0521 0522 0523 0524 0525 ELP 0521 0522 0523 0524 0525 MIN 44 48 50 54 60 MIN 59 58 58 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 00 %>75 0 0 0 0 0 %>75 0 0 0 0 1 %>70 0 0 0 0 1 %>70 0 0 1 2 7 FRESNO_CA GOODLAND_KS FAT 0521 0522 0523 0524 0525 GLD 0521 0522 0523 0524 0525 MIN 57 59 59 58 58 MIN 39 41 40 45 47 %>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 1 1 GREAT_FALLS_MT HOUSTON_TX GTF 0521 0522 0523 0524 0525 HOU 0521 0522 0523 0524 0525 MIN 37 38 40 46 47 MIN 78 77 76 76 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 0 0 0 1 1 %>80 0 0 0 0 0 %>80 16 14 11 13 12 %>75 0 0 0 0 0 %>75 88 73 64 64 64 %>70 0 0 0 0 0 %>70 100 99 98 97 97 JACKSON_MS KANSAS_CITY_MO JAN 0521 0522 0523 0524 0525 MCI 0521 0522 0523 0524 0525 MIN 70 71 71 71 71 MIN 48 55 55 59 63 %>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 3 3 3 6 %>75 0 0 0 0 0 %>70 56 67 67 63 64 %>70 0 0 0 1 4 LAS_VEGAS_NV LITTLE_ROCK_AR LAS 0521 0522 0523 0524 0525 LIT 0521 0522 0523 0524 0525 MIN 57 61 63 64 66 MIN 63 65 66 66 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 1 1 %>85 0 0 0 0 0 %>80 0 1 2 3 5 %>80 0 0 0 0 0 %>75 1 5 6 9 14 %>75 1 2 1 1 1 %>70 6 14 18 23 30 %>70 8 14 14 16 17 LOS_ANGELES_CA MIDLAND_TX LAX 0521 0522 0523 0524 0525 MAF 0521 0522 0523 0524 0525 MIN 59 58 57 57 57 MIN 60 61 62 62 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 0 0 0 0 0 %>80 0 0 0 0 0 %>75 0 0 0 0 0 %>75 1 0 1 0 1 %>70 0 0 0 0 0 %>70 5 4 7 2 6 MINNEAPOLIS_MN NEW_ORLEANS_LA MSP 0521 0522 0523 0524 0525 MSY 0521 0522 0523 0524 0525 MIN 42 44 47 52 58 MIN 76 77 78 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 0 0 0 %>85 0 0 0 0 0 %>80 0 0 0 0 0 %>80 1 7 16 15 16 %>75 0 0 0 0 0 %>75 81 88 88 89 86 %>70 0 0 0 0 1 %>70 100 100 100 100100 NORTH_PLATTE_NE OKLAHOMA_CITY_OK LBF 0521 0522 0523 0524 0525 OKC 0521 0522 0523 0524 0525 MIN 37 40 39 44 48 MIN 59 61 62 62 63 %>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 1 2 %>70 3 3 5 3 6 OMAHA_NE PENDLETON_OR OMA 0521 0522 0523 0524 0525 PDT 0521 0522 0523 0524 0525 MIN 43 47 49 53 60 MIN 44 45 48 48 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 0 %>75 0 0 0 0 0 %>70 0 0 0 0 1 %>70 0 0 0 0 0 PHOENIX_AZ PORTLAND_OR PHX 0521 0522 0523 0524 0525 PDX 0521 0522 0523 0524 0525 MIN 63 65 66 68 69 MIN 49 51 50 48 47 %>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 2 3 3 4 7 %>80 0 0 0 0 0 %>75 7 10 12 15 21 %>75 0 0 0 0 0 %>70 20 26 31 40 47 %>70 0 0 0 0 0 RAPID_CITY_SD SACRAMENTO_CA RAP 0521 0522 0523 0524 0525 SAC 0521 0522 0523 0524 0525 MIN 39 40 40 44 49 MIN 56 54 52 52 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 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 SAINT_LOUIS_MO SALT_LAKE_CITY_UT STL 0521 0522 0523 0524 0525 SLC 0521 0522 0523 0524 0525 MIN 50 57 60 62 65 MIN 43 43 46 51 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 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 1 %>75 0 0 0 0 0 %>70 0 0 3 4 11 %>70 0 0 0 0 0 SAN_ANTONIO_TX SAN_DIEGO_CA SAT 0521 0522 0523 0524 0525 SAN 0521 0522 0523 0524 0525 MIN 73 71 71 71 71 MIN 59 59 58 58 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 0 0 0 %>80 0 0 0 0 0 %>75 20 5 9 5 8 %>75 0 0 0 0 0 %>70 89 66 66 64 65 %>70 0 0 0 0 0 SAN_FRANCISCO_CA SEATTLE_WA SFO 0521 0522 0523 0524 0525 SEA 0521 0522 0523 0524 0525MIN 50 51 52 52 51 MIN 48 51 51 49 47 %>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 0521 0522 0523 0524 0525 FSD 0521 0522 0523 0524 0525 MIN 70 70 70 70 70 MIN 40 43 44 49 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 1 1 1 1 %>75 0 0 0 0 0 %>70 41 45 45 45 46 %>70 0 0 0 0 1 SPRINGFIELD_MO TUCSON_AZ SGF 0521 0522 0523 0524 0525 TUS 0521 0522 0523 0524 0525 MIN 55 61 60 61 64 MIN 57 58 59 61 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 0 0 0 0 0 %>80 0 0 0 0 0 %>75 0 0 0 0 0 %>75 0 0 0 0 1 %>70 0 1 2 2 2 %>70 0 1 2 3 8 TULSA_OK WICHITA_KS TUL 0521 0522 0523 0524 0525 ICT 0521 0522 0523 0524 0525 MIN 61 63 63 64 66 MIN 52 56 56 59 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 0 0 0 0 0 %>80 0 0 0 0 0 %>75 0 0 0 0 0 %>75 0 0 0 0 0 %>70 2 3 5 5 9 %>70 0 1 1 1 2 YUMA_AZ YUM 0521 0522 0523 0524 0525 MIN 61 63 62 63 65 %>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 0 0 %>75 1 0 0 0 2 %>70 5 5 3 5 14 URL IS WWW.WPC.NCEP.NOAA.GOV $$