Heat Index Forecast Tables
Issued by NWS
Issued by NWS
383
FMUS24 KWNH 110654
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0651 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 88 86 87 88 MEAN 74 75 75 76 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 0 0 0 0 %>95 0 0 0 0 0
%>90 28 23 8 13 20 %>90 0 0 1 1 1
%>85 91 88 70 73 82 %>85 1 2 5 5 6
%>80 100 100 99 99 99 %>80 10 13 20 20 22
%>75 100 100 100 100 100 %>75 41 45 52 53 54
%>70 100 100 100 100 100 %>70 84 84 85 86 86
AMARILLO_TX AUSTIN_TX
AMA 0814 0815 0816 0817 0818 AUS 0814 0815 0816 0817 0818
MEAN 85 84 83 82 83 MEAN 93 92 90 91 92
%>100 0 0 0 0 0 %>100 6 2 1 1 2
%>95 0 0 0 0 0 %>95 31 20 9 14 18
%>90 7 2 1 1 0 %>90 74 69 46 56 66
%>85 46 35 23 18 19 %>85 96 97 88 93 96
%>80 90 88 79 73 82 %>80 100 100 99 100 100
%>75 100 100 99 98 100 %>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 93 MEAN 62 64 64 69 73
%>100 2 5 11 15 12 %>100 0 0 0 0 0
%>95 18 28 41 43 39 %>95 0 0 0 0 0
%>90 58 68 79 76 73 %>90 0 0 0 0 0
%>85 91 94 97 94 93 %>85 0 0 0 0 1
%>80 99 100 100 99 99 %>80 0 0 0 1 8
%>75 100 100 100 100 100 %>75 1 3 2 11 32
%>70 100 100 100 100 100 %>70 7 15 14 40 69
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 98 95 95 96
%>100 44 35 25 24 27 %>100 30 24 11 12 13
%>95 82 79 66 67 70 %>95 76 79 46 46 53
%>90 98 98 94 94 95 %>90 98 99 88 88 93
%>85 100 100 100 100 100 %>85 100 100 99 99 100
%>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 94 94 93 94 95 MEAN 69 69 69 69 72
%>100 4 2 1 2 5 %>100 0 0 0 0 0
%>95 42 40 27 33 45 %>95 0 0 0 0 0
%>90 92 94 84 87 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 8 6 10 12 22
%>70 100 100 100 100 100 %>70 44 37 39 45 66
DES_MOINES_IA EL_PASO_TX
DSM 0814 0815 0816 0817 0818 ELP 0814 0815 0816 0817 0818
MEAN 76 84 78 72 75 MEAN 82 82 81 82 82
%>100 0 1 0 0 0 %>100 0 0 0 0 0
%>95 0 6 0 0 0 %>95 0 1 0 1 1
%>90 1 20 2 0 1 %>90 3 6 3 7 7
%>85 8 43 12 1 6 %>85 22 29 20 28 31
%>80 27 69 36 6 22 %>80 69 68 59 63 69
%>75 59 88 67 27 51 %>75 96 94 91 90 93
%>70 85 97 89 63 79 %>70 100 99 99 99 99
FRESNO_CA GOODLAND_KS
FAT 0814 0815 0816 0817 0818 GLD 0814 0815 0816 0817 0818
MEAN 74 75 76 75 74 MEAN 74 74 73 72 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 1 2 %>85 2 1 1 2 5
%>80 4 9 14 15 13 %>80 14 12 9 9 21
%>75 45 57 64 55 47 %>75 43 42 33 31 49
%>70 89 93 94 89 82 %>70 77 78 69 62 78
GREAT_FALLS_MT HOUSTON_TX
GTF 0814 0815 0816 0817 0818 HOU 0814 0815 0816 0817 0818
MEAN 59 62 66 67 66 MEAN 96 95 93 94 95
%>100 0 0 0 0 0 %>100 19 13 6 10 14
%>95 0 0 0 0 0 %>95 61 51 32 40 48
%>90 0 0 0 0 0 %>90 92 91 77 81 88
%>85 0 0 0 0 0 %>85 99 100 97 98 99
%>80 0 0 0 0 1 %>80 100 100 100 100 100
%>75 0 0 1 4 6 %>75 100 100 100 100 100
%>70 1 4 14 25 24 %>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 92 93 93 93 MEAN 90 91 88 81 82
%>100 1 2 4 7 8 %>100 3 2 2 0 0
%>95 15 21 31 35 36 %>95 16 17 10 1 2
%>90 58 70 78 75 75 %>90 47 60 34 7 10
%>85 93 97 98 96 96 %>85 80 93 68 25 33
%>80 100 100 100 100 100 %>80 96 100 91 55 64
%>75 100 100 100 100 100 %>75 100 100 98 82 88
%>70 100 100 100 100 100 %>70 100 100 100 96 97
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0814 0815 0816 0817 0818 LIT 0814 0815 0816 0817 0818
MEAN 83 84 85 87 86 MEAN 94 93 93 94 94
%>100 2 1 2 3 4 %>100 3 2 1 3 5
%>95 7 6 8 12 13 %>95 34 28 26 35 36
%>90 19 18 24 32 32 %>90 86 83 85 84 82
%>85 41 41 51 59 57 %>85 99 99 100 99 98
%>80 67 69 78 82 80 %>80 100 100 100 100 100
%>75 87 88 93 95 93 %>75 100 100 100 100 100
%>70 97 97 99 99 99 %>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 71 71 72 72 MEAN 87 86 84 84 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 6 1 1 2
%>85 0 0 0 0 0 %>85 78 61 36 40 47
%>80 1 1 1 2 2 %>80 100 98 96 97 97
%>75 5 7 10 14 17 %>75 100 100 100 100 100
%>70 41 54 65 66 68 %>70 100 100 100 100 100
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0814 0815 0816 0817 0818 MSY 0814 0815 0816 0817 0818
MEAN 70 69 70 70 72 MEAN 94 95 97 97 97
%>100 0 0 0 0 0 %>100 9 16 28 32 32
%>95 0 0 0 0 0 %>95 39 51 66 68 67
%>90 0 0 0 0 0 %>90 80 86 92 92 91
%>85 0 0 0 0 0 %>85 97 99 99 99 99
%>80 1 3 2 1 6 %>80 100 100 100 100 100
%>75 13 15 17 11 29 %>75 100 100 100 100 100
%>70 50 41 53 46 67 %>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 71 73 70 70 74 MEAN 92 92 91 89 90
%>100 0 0 0 0 0 %>100 1 1 1 0 0
%>95 0 0 0 0 0 %>95 18 16 16 5 8
%>90 0 0 0 0 1 %>90 74 71 67 43 48
%>85 1 2 1 1 6 %>85 97 96 96 90 90
%>80 7 10 5 7 19 %>80 100 100 100 100 99
%>75 26 34 21 23 43 %>75 100 100 100 100 100
%>70 57 68 53 49 70 %>70 100 100 100 100 100
OMAHA_NE PENDLETON_OR
OMA 0814 0815 0816 0817 0818 PDT 0814 0815 0816 0817 0818
MEAN 80 84 77 73 78 MEAN 70 71 72 71 68
%>100 0 1 0 0 0 %>100 0 0 0 0 0
%>95 1 5 0 0 0 %>95 0 0 0 0 0
%>90 5 18 2 0 3 %>90 0 0 0 0 0
%>85 21 43 10 2 14 %>85 0 0 0 1 1
%>80 51 71 32 13 37 %>80 1 2 4 6 4
%>75 80 90 63 39 66 %>75 9 18 23 23 16
%>70 95 98 87 71 87 %>70 45 62 65 54 39
PHOENIX_AZ PORTLAND_OR
PHX 0814 0815 0816 0817 0818 PDX 0814 0815 0816 0817 0818
MEAN 91 93 94 95 96 MEAN 70 70 71 69 68
%>100 2 8 12 18 24 %>100 0 0 0 0 0
%>95 17 32 41 51 57 %>95 0 0 0 0 0
%>90 55 70 78 84 85 %>90 0 0 0 0 0
%>85 90 93 96 97 97 %>85 0 0 0 0 0
%>80 99 99 100 100 100 %>80 0 0 1 3 2
%>75 100 100 100 100 100 %>75 9 10 13 15 11
%>70 100 100 100 100 100 %>70 54 54 55 44 36
RAPID_CITY_SD SACRAMENTO_CA
RAP 0814 0815 0816 0817 0818 SAC 0814 0815 0816 0817 0818
MEAN 68 67 68 71 74 MEAN 70 71 71 71 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 0 0 1 2 %>85 0 0 0 0 0
%>80 2 0 1 5 13 %>80 0 0 0 1 2
%>75 13 5 8 23 41 %>75 4 9 9 15 20
%>70 39 27 32 56 75 %>70 51 67 62 59 65
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0814 0815 0816 0817 0818 SLC 0814 0815 0816 0817 0818
MEAN 91 93 93 85 82 MEAN 69 70 71 73 73
%>100 8 10 6 1 0 %>100 0 0 0 0 0
%>95 26 34 30 6 2 %>95 0 0 0 0 0
%>90 53 68 71 21 11 %>90 0 0 0 0 0
%>85 79 91 94 48 32 %>85 0 0 0 0 1
%>80 94 99 100 76 62 %>80 0 0 0 3 9
%>75 99 100 100 93 86 %>75 4 6 9 32 39
%>70 100 100 100 99 97 %>70 39 49 68 78 76
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 72 72 72 72
%>100 3 1 0 0 1 %>100 0 0 0 0 0
%>95 24 13 6 8 14 %>95 0 0 0 0 0
%>90 69 63 39 45 55 %>90 0 0 0 0 0
%>85 95 96 86 88 91 %>85 0 0 0 0 0
%>80 100 100 99 99 100 %>80 0 2 3 3 3
%>75 100 100 100 100 100 %>75 7 13 18 18 17
%>70 100 100 100 100 100 %>70 61 72 78 74 70
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0814 0815 0816 0817 0818 SEA 0814 0815 0816 0817 0818
MEAN 62 62 61 61 62 MEAN 69 69 69 67 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 1 1 1 1 0
%>75 0 0 0 0 0 %>75 8 9 8 6 4
%>70 0 0 0 0 0 %>70 41 39 37 26 21
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0814 0815 0816 0817 0818 FSD 0814 0815 0816 0817 0818
MEAN 90 91 92 93 93 MEAN 68 70 68 67 71
%>100 0 0 1 2 4 %>100 0 0 0 0 0
%>95 9 13 20 26 29 %>95 0 0 0 0 0
%>90 54 63 73 76 73 %>90 0 0 0 0 0
%>85 94 96 98 98 96 %>85 0 2 0 0 3
%>80 100 100 100 100 100 %>80 2 10 3 3 11
%>75 100 100 100 100 100 %>75 12 26 14 12 30
%>70 100 100 100 100 100 %>70 36 51 37 34 58
SPRINGFIELD_MO TUCSON_AZ
SGF 0814 0815 0816 0817 0818 TUS 0814 0815 0816 0817 0818
MEAN 92 90 91 87 86 MEAN 82 84 87 88 89
%>100 1 0 0 0 0 %>100 0 0 1 2 6
%>95 14 6 10 5 3 %>95 0 3 7 11 18
%>90 68 56 59 29 21 %>90 4 14 25 34 40
%>85 98 97 96 71 62 %>85 20 42 61 70 68
%>80 100 100 100 95 92 %>80 63 80 91 93 89
%>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 94 94 92 91 MEAN 91 90 89 85 85
%>100 3 4 4 1 1 %>100 1 1 1 0 0
%>95 48 43 38 17 19 %>95 16 11 11 3 3
%>90 96 91 87 70 65 %>90 56 50 41 18 19
%>85 100 100 99 97 95 %>85 91 88 79 49 54
%>80 100 100 100 100 100 %>80 99 99 97 81 85
%>75 100 100 100 100 100 %>75 100 100 100 96 98
%>70 100 100 100 100 100 %>70 100 100 100 100 100
YUMA_AZ
YUM 0814 0815 0816 0817 0818
MEAN 93 93 94 94 94
%>100 5 3 5 8 12
%>95 31 28 35 44 42
%>90 76 76 82 87 79
%>85 97 98 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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