Heat Index Forecast Tables
Issued by NWS
Issued by NWS
016
FMUS24 KWNH 111730
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1727 UTC TUE AUG 11 2026
MEAN HEAT INDEX (DEG F) AND MEAN 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
MEAN 89 87 86 87 88 MEAN 75 74 75 75 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 0 0 0 1 %>95 0 0 0 0 0
%>90 30 14 6 13 25 %>90 0 0 0 1 1
%>85 90 85 68 76 83 %>85 2 2 3 4 7
%>80 100 100 99 99 99 %>80 13 11 16 19 25
%>75 100 100 100 100 100 %>75 45 43 48 51 57
%>70 100 100 100 100 100 %>70 85 83 83 84 86
AMARILLO_TX AUSTIN_TX
AMA 0814 0815 0816 0817 0818 AUS 0814 0815 0816 0817 0818
MEAN 86 83 83 82 83 MEAN 93 91 90 91 92
%>100 0 0 0 0 0 %>100 7 1 1 2 3
%>95 1 0 0 0 0 %>95 33 15 10 17 23
%>90 12 1 1 1 1 %>90 73 64 47 59 65
%>85 55 28 22 20 28 %>85 96 96 89 92 94
%>80 93 86 82 79 88 %>80 100 100 99 99 100
%>75 100 100 99 99 100 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0814 0815 0816 0817 0818 BIS 0814 0815 0816 0817 0818
MEAN 91 92 94 94 94 MEAN 65 66 65 70 73
%>100 3 6 12 16 12 %>100 0 0 0 0 0
%>95 19 29 41 45 42 %>95 0 0 0 0 0
%>90 59 68 77 78 78 %>90 0 0 0 0 0
%>85 91 93 96 95 96 %>85 0 0 0 0 1
%>80 99 99 100 100 100 %>80 0 0 0 2 7
%>75 100 100 100 100 100 %>75 1 4 1 17 32
%>70 100 100 100 100 100 %>70 13 22 14 52 70
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0814 0815 0816 0817 0818 CRP 0814 0815 0816 0817 0818
MEAN 99 98 97 97 97 MEAN 98 97 95 95 96
%>100 43 31 24 25 29 %>100 28 21 10 15 16
%>95 81 77 66 64 68 %>95 76 71 43 48 53
%>90 97 98 94 92 93 %>90 98 98 87 85 90
%>85 100 100 100 99 99 %>85 100 100 99 98 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 0814 0815 0816 0817 0818 DEN 0814 0815 0816 0817 0818
MEAN 93 93 92 93 94 MEAN 70 68 68 69 72
%>100 1 0 1 2 5 %>100 0 0 0 0 0
%>95 24 20 20 29 44 %>95 0 0 0 0 0
%>90 86 90 78 85 91 %>90 0 0 0 0 0
%>85 100 100 99 100 100 %>85 0 0 0 0 0
%>80 100 100 100 100 100 %>80 0 0 1 1 3
%>75 100 100 100 100 100 %>75 10 6 8 9 23
%>70 100 100 100 100 100 %>70 52 35 37 45 68
DES_MOINES_IA EL_PASO_TX
DSM 0814 0815 0816 0817 0818 ELP 0814 0815 0816 0817 0818
MEAN 79 86 79 73 77 MEAN 82 82 82 82 83
%>100 0 1 0 0 0 %>100 0 0 0 0 0
%>95 1 7 0 0 0 %>95 0 0 1 1 1
%>90 4 25 2 0 1 %>90 3 4 6 7 8
%>85 18 56 13 1 8 %>85 24 25 28 30 33
%>80 46 83 40 6 31 %>80 72 65 64 68 73
%>75 77 96 73 31 66 %>75 97 93 91 93 95
%>70 94 100 93 70 90 %>70 100 100 99 99 100
FRESNO_CA GOODLAND_KS
FAT 0814 0815 0816 0817 0818 GLD 0814 0815 0816 0817 0818
MEAN 73 74 76 75 75 MEAN 76 74 73 73 75
%>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 1 2 2 %>85 2 2 1 2 5
%>80 1 4 12 16 15 %>80 19 15 9 10 21
%>75 31 38 61 55 47 %>75 59 44 33 33 51
%>70 87 85 93 88 80 %>70 90 77 67 67 81
GREAT_FALLS_MT HOUSTON_TX
GTF 0814 0815 0816 0817 0818 HOU 0814 0815 0816 0817 0818
MEAN 59 61 65 67 67 MEAN 96 94 92 94 95
%>100 0 0 0 0 0 %>100 16 7 3 11 13
%>95 0 0 0 0 0 %>95 55 39 22 40 44
%>90 0 0 0 0 0 %>90 90 86 69 79 83
%>85 0 0 0 0 0 %>85 99 99 96 97 98
%>80 0 0 0 0 1 %>80 100 100 100 100 100
%>75 0 0 2 4 7 %>75 100 100 100 100 100
%>70 1 3 15 27 28 %>70 100 100 100 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0814 0815 0816 0817 0818 MCI 0814 0815 0816 0817 0818
MEAN 91 91 93 94 93 MEAN 90 90 88 82 83
%>100 1 1 3 6 9 %>100 3 1 1 0 0
%>95 13 16 28 36 38 %>95 18 11 9 3 3
%>90 55 61 74 81 76 %>90 54 53 34 12 14
%>85 91 94 97 98 96 %>85 86 91 68 35 40
%>80 100 100 100 100 100 %>80 98 100 92 64 71
%>75 100 100 100 100 100 %>75 100 100 99 87 92
%>70 100 100 100 100 100 %>70 100 100 100 97 99
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0814 0815 0816 0817 0818 LIT 0814 0815 0816 0817 0818
MEAN 83 83 85 87 86 MEAN 92 91 92 93 92
%>100 1 0 1 3 3 %>100 1 1 1 2 4
%>95 6 3 7 11 12 %>95 19 16 20 27 27
%>90 18 13 23 31 31 %>90 69 64 73 80 71
%>85 40 36 51 60 56 %>85 96 95 97 99 95
%>80 67 66 78 83 79 %>80 100 100 100 100 100
%>75 87 88 94 95 93 %>75 100 100 100 100 100
%>70 97 97 99 99 98 %>70 100 100 100 100 100
LOS_ANGELES_CA MIDLAND_TX
LAX 0814 0815 0816 0817 0818 MAF 0814 0815 0816 0817 0818
MEAN 70 70 71 72 72 MEAN 87 85 84 85 85
%>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 10 3 0 2 5
%>85 0 0 0 0 0 %>85 76 53 31 43 52
%>80 0 0 1 2 3 %>80 100 98 95 97 96
%>75 4 5 11 17 21 %>75 100 100 100 100 100
%>70 42 49 63 67 69 %>70 100 100 100 100 100
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0814 0815 0816 0817 0818 MSY 0814 0815 0816 0817 0818
MEAN 72 72 72 71 74 MEAN 94 95 97 98 98
%>100 0 0 0 0 0 %>100 9 16 27 37 35
%>95 0 0 0 0 0 %>95 39 49 63 71 70
%>90 0 0 0 0 0 %>90 79 84 90 92 93
%>85 0 1 0 0 1 %>85 97 98 99 99 99
%>80 2 7 3 1 11 %>80 100 100 100 100 100
%>75 21 27 22 13 43 %>75 100 100 100 100 100
%>70 67 61 64 59 81 %>70 100 100 100 100 100
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0814 0815 0816 0817 0818 OKC 0814 0815 0816 0817 0818
MEAN 74 73 71 70 75 MEAN 92 91 91 90 91
%>100 0 0 0 0 0 %>100 0 1 0 0 0
%>95 0 0 0 0 0 %>95 18 13 12 7 11
%>90 0 0 0 0 1 %>90 73 58 62 53 59
%>85 1 2 0 1 5 %>85 97 92 95 94 95
%>80 11 12 5 7 19 %>80 100 99 100 100 100
%>75 44 39 22 24 47 %>75 100 100 100 100 100
%>70 82 73 56 53 76 %>70 100 100 100 100 100
OMAHA_NE PENDLETON_OR
OMA 0814 0815 0816 0817 0818 PDT 0814 0815 0816 0817 0818
MEAN 83 85 78 73 78 MEAN 69 70 71 71 69
%>100 0 1 0 0 0 %>100 0 0 0 0 0
%>95 3 5 0 0 0 %>95 0 0 0 0 0
%>90 13 20 2 0 3 %>90 0 0 0 0 0
%>85 37 49 11 2 14 %>85 0 0 0 2 1
%>80 69 78 35 11 39 %>80 1 3 4 8 6
%>75 90 94 67 36 70 %>75 9 16 20 27 19
%>70 98 99 89 69 90 %>70 40 51 57 57 43
PHOENIX_AZ PORTLAND_OR
PHX 0814 0815 0816 0817 0818 PDX 0814 0815 0816 0817 0818
MEAN 90 92 93 95 96 MEAN 69 69 70 70 68
%>100 2 4 8 17 24 %>100 0 0 0 0 0
%>95 13 24 36 50 56 %>95 0 0 0 0 0
%>90 52 64 76 83 85 %>90 0 0 0 0 0
%>85 90 92 96 97 97 %>85 0 0 0 0 0
%>80 99 99 100 100 100 %>80 0 0 0 2 1
%>75 100 100 100 100 100 %>75 3 1 8 16 9
%>70 100 100 100 100 100 %>70 43 35 53 52 35
RAPID_CITY_SD SACRAMENTO_CA
RAP 0814 0815 0816 0817 0818 SAC 0814 0815 0816 0817 0818
MEAN 71 68 68 72 74 MEAN 70 70 71 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 1 2 %>85 0 0 0 0 0
%>80 1 1 1 6 12 %>80 0 0 0 1 3
%>75 15 6 7 25 40 %>75 1 4 7 14 21
%>70 58 30 33 61 75 %>70 43 54 61 57 59
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0814 0815 0816 0817 0818 SLC 0814 0815 0816 0817 0818
MEAN 92 92 92 85 83 MEAN 68 69 71 73 74
%>100 7 4 2 1 1 %>100 0 0 0 0 0
%>95 28 26 20 5 4 %>95 0 0 0 0 0
%>90 64 70 67 22 16 %>90 0 0 0 0 0
%>85 90 95 95 53 40 %>85 0 0 0 0 2
%>80 99 100 100 82 69 %>80 0 0 0 1 12
%>75 100 100 100 96 89 %>75 4 3 7 28 43
%>70 100 100 100 99 98 %>70 38 42 69 81 77
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0814 0815 0816 0817 0818 SAN 0814 0815 0816 0817 0818
MEAN 92 91 89 90 91 MEAN 71 71 72 72 72
%>100 3 0 0 2 2 %>100 0 0 0 0 0
%>95 23 11 6 14 17 %>95 0 0 0 0 0
%>90 67 57 40 50 56 %>90 0 0 0 0 0
%>85 95 95 86 87 89 %>85 0 0 0 0 0
%>80 100 100 99 99 99 %>80 0 1 2 3 4
%>75 100 100 100 100 100 %>75 6 11 16 19 21
%>70 100 100 100 100 100 %>70 62 68 76 74 70
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0814 0815 0816 0817 0818 SEA 0814 0815 0816 0817 0818
MEAN 61 61 60 61 62 MEAN 68 67 68 68 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 0 0 0 0 %>80 0 0 0 1 0
%>75 0 0 0 0 0 %>75 3 2 4 8 4
%>70 0 0 0 0 0 %>70 31 24 30 34 21
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0814 0815 0816 0817 0818 FSD 0814 0815 0816 0817 0818
MEAN 90 90 91 92 93 MEAN 70 73 69 68 73
%>100 0 0 1 3 3 %>100 0 0 0 0 0
%>95 8 10 17 25 28 %>95 0 0 0 0 0
%>90 51 52 64 73 74 %>90 0 0 0 0 0
%>85 93 92 95 97 97 %>85 0 2 0 0 3
%>80 100 100 100 100 100 %>80 3 13 3 2 14
%>75 100 100 100 100 100 %>75 18 40 16 12 39
%>70 100 100 100 100 100 %>70 52 73 43 36 70
SPRINGFIELD_MO TUCSON_AZ
SGF 0814 0815 0816 0817 0818 TUS 0814 0815 0816 0817 0818
MEAN 91 90 90 88 87 MEAN 82 84 86 88 88
%>100 0 0 0 0 0 %>100 0 0 1 2 5
%>95 10 4 7 5 5 %>95 1 2 5 11 16
%>90 63 46 53 30 26 %>90 6 11 22 34 39
%>85 98 93 94 73 65 %>85 25 39 57 69 68
%>80 100 100 100 96 92 %>80 66 79 89 93 90
%>75 100 100 100 100 99 %>75 96 98 99 99 98
%>70 100 100 100 100 100 %>70 100 100 100 100 100
TULSA_OK WICHITA_KS
TUL 0814 0815 0816 0817 0818 ICT 0814 0815 0816 0817 0818
MEAN 95 93 94 92 93 MEAN 91 90 89 85 86
%>100 4 3 3 2 2 %>100 3 0 1 0 0
%>95 52 33 34 25 26 %>95 21 9 10 3 4
%>90 96 83 85 75 75 %>90 63 46 41 18 23
%>85 100 99 99 98 98 %>85 93 87 80 51 62
%>80 100 100 100 100 100 %>80 100 99 97 84 91
%>75 100 100 100 100 100 %>75 100 100 100 97 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
YUMA_AZ
YUM 0814 0815 0816 0817 0818
MEAN 93 92 93 95 94
%>100 4 1 4 7 14
%>95 31 17 32 45 45
%>90 77 67 80 88 79
%>85 97 96 98 99 96
%>80 100 100 100 100 100
%>75 100 100 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
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