Heat Index Forecast Tables
Issued by NWS
Issued by NWS
429
FMUS24 KWNH 110743
PRBWHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0741 UTC TUE AUG 11 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM TUE AUG 11 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0814 0815 0816 0817 0818 ABQ 0814 0815 0816 0817 0818
MIN 77 77 76 75 76 MIN 62 62 63 63 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 1 %>85 0 0 0 0 0
%>80 12 12 9 9 14 %>80 0 0 0 0 0
%>75 74 71 61 51 59 %>75 0 1 1 1 2
%>70 98 97 95 90 92 %>70 5 6 9 8 11
AMARILLO_TX AUSTIN_TX
AMA 0814 0815 0816 0817 0818 AUS 0814 0815 0816 0817 0818
MIN 72 71 70 69 69 MIN 79 79 77 77 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 2 1 0 0 0 %>85 3 1 0 0 1
%>80 10 6 3 1 2 %>80 33 30 13 14 25
%>75 31 26 18 12 14 %>75 86 91 77 83 88
%>70 61 61 52 44 44 %>70 99 100 99 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0814 0815 0816 0817 0818 BIS 0814 0815 0816 0817 0818
MIN 77 77 79 80 79 MIN 54 55 52 55 59
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 1 1 %>95 0 0 0 0 0
%>90 0 1 2 5 4 %>90 0 0 0 0 0
%>85 2 6 14 20 17 %>85 0 0 0 0 0
%>80 21 30 43 49 43 %>80 0 0 0 0 0
%>75 65 68 78 79 72 %>75 0 1 0 0 1
%>70 94 93 96 95 91 %>70 2 3 1 2 6
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0814 0815 0816 0817 0818 CRP 0814 0815 0816 0817 0818
MIN 90 89 86 85 86 MIN 88 89 83 83 83
%>100 0 0 0 0 0 %>100 2 1 0 0 0
%>95 6 4 1 0 0 %>95 11 10 3 3 3
%>90 46 42 15 8 11 %>90 40 39 12 10 12
%>85 92 92 62 55 65 %>85 74 77 36 31 38
%>80 100 100 94 95 97 %>80 92 94 72 67 73
%>75 100 100 100 100 100 %>75 98 99 93 93 93
%>70 100 100 100 100 100 %>70 100 100 99 99 99
DALLAS_TX DENVER_CO
DFW 0814 0815 0816 0817 0818 DEN 0814 0815 0816 0817 0818
MIN 82 84 83 82 83 MIN 57 55 55 56 57
%>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 2 4 2 5 %>90 0 0 0 0 0
%>85 18 38 33 23 32 %>85 0 0 0 0 0
%>80 81 88 81 70 76 %>80 0 0 0 0 0
%>75 98 98 97 95 96 %>75 0 0 0 0 0
%>70 100 100 100 100 99 %>70 1 1 2 2 2
DES_MOINES_IA EL_PASO_TX
DSM 0814 0815 0816 0817 0818 ELP 0814 0815 0816 0817 0818
MIN 68 70 70 65 64 MIN 72 72 72 72 72
%>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 0 0 0 %>85 0 0 0 0 0
%>80 0 6 4 0 0 %>80 3 2 5 5 5
%>75 5 21 19 2 2 %>75 22 22 26 27 27
%>70 32 49 50 15 13 %>70 66 67 64 65 66
FRESNO_CA GOODLAND_KS
FAT 0814 0815 0816 0817 0818 GLD 0814 0815 0816 0817 0818
MIN 60 61 62 62 62 MIN 61 61 60 59 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 1 1 1 1 2
%>75 0 0 0 0 0 %>75 5 4 4 4 6
%>70 1 1 2 3 4 %>70 15 13 13 11 15
GREAT_FALLS_MT HOUSTON_TX
GTF 0814 0815 0816 0817 0818 HOU 0814 0815 0816 0817 0818
MIN 48 47 49 51 51 MIN 85 84 80 81 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 2 2 0 0 1
%>90 0 0 0 0 0 %>90 17 12 2 4 6
%>85 0 0 0 0 0 %>85 55 43 12 20 28
%>80 0 0 0 0 0 %>80 86 78 49 57 66
%>75 0 0 0 0 0 %>75 97 95 89 92 94
%>70 1 0 0 1 1 %>70 100 99 99 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0814 0815 0816 0817 0818 MCI 0814 0815 0816 0817 0818
MIN 78 77 78 79 78 MIN 76 78 77 72 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 1 2 3 %>90 1 1 1 0 0
%>85 5 3 8 12 14 %>85 5 9 7 1 1
%>80 32 25 37 41 40 %>80 23 34 28 9 7
%>75 75 73 77 77 72 %>75 55 70 61 30 23
%>70 97 97 96 95 92 %>70 84 92 88 62 52
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0814 0815 0816 0817 0818 LIT 0814 0815 0816 0817 0818
MIN 75 74 76 77 78 MIN 81 79 79 79 79
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 1 1 1 2 %>95 0 0 0 0 0
%>90 3 2 3 5 7 %>90 1 0 0 1 2
%>85 11 8 11 16 18 %>85 14 7 7 11 12
%>80 27 22 28 36 38 %>80 61 37 37 42 40
%>75 51 44 54 62 62 %>75 92 79 80 80 75
%>70 75 69 78 83 82 %>70 99 97 97 97 94
LOS_ANGELES_CA MIDLAND_TX
LAX 0814 0815 0816 0817 0818 MAF 0814 0815 0816 0817 0818
MIN 65 65 65 66 66 MIN 75 74 73 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 4 1 1 0 1
%>75 0 0 0 0 0 %>75 55 42 26 21 26
%>70 1 0 3 7 11 %>70 97 97 89 83 84
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0814 0815 0816 0817 0818 MSY 0814 0815 0816 0817 0818
MIN 62 62 63 61 63 MIN 81 83 85 87 86
%>100 0 0 0 0 0 %>100 0 0 1 2 1
%>95 0 0 0 0 0 %>95 1 2 5 9 8
%>90 0 0 0 0 0 %>90 5 11 23 31 28
%>85 0 0 0 0 0 %>85 24 36 55 61 56
%>80 0 0 0 0 0 %>80 58 68 82 85 80
%>75 0 1 1 0 1 %>75 87 91 95 96 93
%>70 3 8 10 2 6 %>70 98 99 99 99 98
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0814 0815 0816 0817 0818 OKC 0814 0815 0816 0817 0818
MIN 62 62 61 60 61 MIN 81 80 79 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 3 3 2 1 1
%>85 0 0 0 0 0 %>85 21 18 14 6 8
%>80 0 1 0 0 1 %>80 61 53 48 27 30
%>75 2 3 2 2 5 %>75 85 81 78 62 62
%>70 10 13 10 8 14 %>70 96 94 93 88 87
OMAHA_NE PENDLETON_OR
OMA 0814 0815 0816 0817 0818 PDT 0814 0815 0816 0817 0818
MIN 68 71 69 65 65 MIN 55 57 57 58 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 4 3 0 1 %>80 0 0 0 0 0
%>75 6 24 15 2 5 %>75 0 1 1 2 1
%>70 36 62 44 16 22 %>70 2 4 5 6 5
PHOENIX_AZ PORTLAND_OR
PHX 0814 0815 0816 0817 0818 PDX 0814 0815 0816 0817 0818
MIN 80 82 83 84 85 MIN 57 57 58 58 57
%>100 0 0 0 1 1 %>100 0 0 0 0 0
%>95 0 2 3 4 7 %>95 0 0 0 0 0
%>90 3 10 13 17 23 %>90 0 0 0 0 0
%>85 18 32 37 44 51 %>85 0 0 0 0 0
%>80 52 64 69 75 79 %>80 0 0 0 0 0
%>75 85 89 90 93 94 %>75 0 0 0 0 0
%>70 98 98 98 99 99 %>70 0 0 0 0 0
RAPID_CITY_SD SACRAMENTO_CA
RAP 0814 0815 0816 0817 0818 SAC 0814 0815 0816 0817 0818
MIN 57 57 56 57 60 MIN 56 57 57 57 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 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 1 %>80 0 0 0 0 0
%>75 1 1 0 2 3 %>75 0 0 0 0 0
%>70 5 3 2 6 10 %>70 0 0 0 0 0
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0814 0815 0816 0817 0818 SLC 0814 0815 0816 0817 0818
MIN 76 77 79 75 71 MIN 58 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 1 0 0 0 %>90 0 0 0 0 0
%>85 4 7 6 4 0 %>85 0 0 0 0 0
%>80 23 28 37 19 5 %>80 0 0 0 0 0
%>75 60 61 80 51 24 %>75 0 0 0 0 1
%>70 89 87 97 82 61 %>70 0 0 1 2 5
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0814 0815 0816 0817 0818 SAN 0814 0815 0816 0817 0818
MIN 78 79 77 77 78 MIN 67 67 67 67 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 2 1 0 1 2 %>85 0 0 0 0 0
%>80 32 32 13 17 26 %>80 0 0 0 0 0
%>75 86 89 73 73 78 %>75 0 0 0 0 0
%>70 99 100 99 99 99 %>70 4 9 14 16 16
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0814 0815 0816 0817 0818 SEA 0814 0815 0816 0817 0818
MIN 58 58 57 57 58 MIN 58 58 57 57 57
%>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 0814 0815 0816 0817 0818 FSD 0814 0815 0816 0817 0818
MIN 77 77 78 79 79 MIN 62 63 61 58 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 1 2 %>90 0 0 0 0 0
%>85 2 4 5 9 12 %>85 0 0 0 0 0
%>80 23 28 34 40 40 %>80 0 1 0 0 0
%>75 71 71 80 80 75 %>75 1 5 2 0 2
%>70 97 95 98 97 94 %>70 7 17 10 2 9
SPRINGFIELD_MO TUCSON_AZ
SGF 0814 0815 0816 0817 0818 TUS 0814 0815 0816 0817 0818
MIN 79 77 78 76 74 MIN 71 73 75 76 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 0 0 0 0 1
%>85 2 2 5 3 2 %>85 0 1 2 3 6
%>80 34 23 32 20 12 %>80 1 6 13 20 27
%>75 86 74 77 56 44 %>75 15 30 46 58 62
%>70 99 98 97 88 80 %>70 55 71 84 89 89
TULSA_OK WICHITA_KS
TUL 0814 0815 0816 0817 0818 ICT 0814 0815 0816 0817 0818
MIN 84 83 81 79 78 MIN 78 78 77 73 72
%>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 3 1 1 1 %>90 3 2 1 1 1
%>85 32 28 18 8 8 %>85 13 11 8 4 4
%>80 88 75 63 41 36 %>80 39 37 29 16 14
%>75 99 96 93 82 75 %>75 72 70 61 41 36
%>70 100 99 99 97 95 %>70 92 91 87 69 63
YUMA_AZ
YUM 0814 0815 0816 0817 0818
MIN 82 81 82 82 82
%>100 0 0 0 0 0
%>95 0 0 0 0 0
%>90 4 2 3 2 5
%>85 27 21 22 24 29
%>80 69 63 64 71 69
%>75 94 93 93 97 94
%>70 100 100 100 100 99
URL IS WWW.WPC.NCEP.NOAA.GOV
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