Heat Index Forecast Tables
Issued by NWS
Issued by NWS
111
FMUS24 KWNH 101730
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1727 UTC MON AUG 10 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM MON AUG 10 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0813 0814 0815 0816 0817 ABQ 0813 0814 0815 0816 0817
MEAN 89 88 88 86 87 MEAN 76 75 75 76 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 1 0 0 0 %>95 0 0 0 0 0
%>90 30 27 17 10 13 %>90 1 0 0 1 1
%>85 94 91 87 70 73 %>85 5 3 2 5 6
%>80 100 100 100 98 99 %>80 20 15 15 21 24
%>75 100 100 100 100 100 %>75 53 48 48 54 57
%>70 100 100 100 100 100 %>70 87 85 85 86 87
AMARILLO_TX AUSTIN_TX
AMA 0813 0814 0815 0816 0817 AUS 0813 0814 0815 0816 0817
MEAN 87 85 83 82 81 MEAN 93 93 92 90 91
%>100 0 0 0 0 0 %>100 5 8 1 1 2
%>95 0 1 0 0 0 %>95 29 37 16 12 16
%>90 13 12 3 3 1 %>90 71 77 67 50 58
%>85 71 53 30 25 15 %>85 96 96 97 89 92
%>80 99 91 82 72 58 %>80 100 100 100 99 100
%>75 100 100 99 97 93 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0813 0814 0815 0816 0817 BIS 0813 0814 0815 0816 0817
MEAN 93 91 92 94 93 MEAN 64 61 63 64 67
%>100 4 4 6 11 12 %>100 0 0 0 0 0
%>95 28 23 27 39 38 %>95 0 0 0 0 0
%>90 72 62 65 74 71 %>90 0 0 0 0 0
%>85 96 91 91 94 93 %>85 0 0 0 0 0
%>80 100 99 99 99 99 %>80 0 0 0 0 1
%>75 100 100 100 100 100 %>75 1 0 3 2 6
%>70 100 100 100 100 100 %>70 10 4 13 12 29
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0813 0814 0815 0816 0817 CRP 0813 0814 0815 0816 0817
MEAN 99 99 98 97 97 MEAN 97 98 97 95 95
%>100 40 43 32 27 27 %>100 17 28 21 14 15
%>95 88 81 75 65 65 %>95 71 77 69 47 48
%>90 99 97 97 92 92 %>90 99 99 98 86 86
%>85 100 100 100 99 99 %>85 100 100 100 99 98
%>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 0813 0814 0815 0816 0817 DEN 0813 0814 0815 0816 0817
MEAN 94 94 94 92 93 MEAN 71 69 68 68 69
%>100 2 2 0 1 2 %>100 0 0 0 0 0
%>95 34 33 30 20 26 %>95 0 0 0 0 0
%>90 91 90 94 78 81 %>90 0 0 0 0 0
%>85 100 100 100 99 99 %>85 0 0 0 0 0
%>80 100 100 100 100 100 %>80 2 0 0 1 1
%>75 100 100 100 100 100 %>75 17 7 5 8 9
%>70 100 100 100 100 100 %>70 55 41 31 35 40
DES_MOINES_IA EL_PASO_TX
DSM 0813 0814 0815 0816 0817 ELP 0813 0814 0815 0816 0817
MEAN 77 76 80 76 71 MEAN 82 83 83 83 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 2 0 0 %>95 0 0 1 1 1
%>90 1 1 9 1 0 %>90 3 5 6 7 6
%>85 6 8 25 7 0 %>85 22 29 30 31 28
%>80 30 28 50 25 4 %>80 69 72 70 71 68
%>75 68 58 75 55 21 %>75 97 96 95 94 94
%>70 93 85 91 83 54 %>70 100 100 100 100 100
FRESNO_CA GOODLAND_KS
FAT 0813 0814 0815 0816 0817 GLD 0813 0814 0815 0816 0817
MEAN 79 76 76 77 76 MEAN 76 73 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 1 0 0 0 0
%>85 3 0 1 1 2 %>85 5 2 2 1 1
%>80 40 12 13 20 16 %>80 23 11 11 7 8
%>75 87 61 63 70 56 %>75 55 36 32 27 28
%>70 98 94 94 96 89 %>70 84 70 63 59 59
GREAT_FALLS_MT HOUSTON_TX
GTF 0813 0814 0815 0816 0817 HOU 0813 0814 0815 0816 0817
MEAN 60 58 61 65 66 MEAN 96 97 95 94 95
%>100 0 0 0 0 0 %>100 16 26 11 8 14
%>95 0 0 0 0 0 %>95 58 67 50 36 45
%>90 0 0 0 0 0 %>90 93 94 92 78 81
%>85 0 0 0 0 0 %>85 100 100 100 97 97
%>80 0 0 0 0 1 %>80 100 100 100 100 100
%>75 0 0 0 2 5 %>75 100 100 100 100 100
%>70 1 1 4 14 25 %>70 100 100 100 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0813 0814 0815 0816 0817 MCI 0813 0814 0815 0816 0817
MEAN 92 91 92 93 93 MEAN 91 89 89 85 80
%>100 1 1 2 4 7 %>100 3 3 2 1 0
%>95 22 16 22 31 34 %>95 20 15 12 7 1
%>90 75 59 66 77 74 %>90 56 43 42 23 5
%>85 98 93 95 98 95 %>85 87 76 78 51 20
%>80 100 100 100 100 100 %>80 98 94 96 78 48
%>75 100 100 100 100 100 %>75 100 99 100 94 77
%>70 100 100 100 100 100 %>70 100 100 100 99 93
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0813 0814 0815 0816 0817 LIT 0813 0814 0815 0816 0817
MEAN 86 83 83 84 86 MEAN 93 93 92 92 93
%>100 2 2 1 1 2 %>100 2 2 1 1 1
%>95 9 6 4 7 9 %>95 33 26 21 23 24
%>90 26 19 15 21 27 %>90 85 78 74 75 78
%>85 54 42 38 47 53 %>85 99 98 98 98 98
%>80 79 68 66 74 78 %>80 100 100 100 100 100
%>75 94 87 87 91 93 %>75 100 100 100 100 100
%>70 99 97 97 98 99 %>70 100 100 100 100 100
LOS_ANGELES_CA MIDLAND_TX
LAX 0813 0814 0815 0816 0817 MAF 0813 0814 0815 0816 0817
MEAN 71 70 70 71 71 MEAN 87 87 85 84 84
%>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 15 12 3 1 2
%>85 0 0 0 0 0 %>85 76 73 53 39 42
%>80 1 1 0 1 2 %>80 99 99 98 96 95
%>75 7 6 7 13 15 %>75 100 100 100 100 100
%>70 64 50 52 62 62 %>70 100 100 100 100 100
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0813 0814 0815 0816 0817 MSY 0813 0814 0815 0816 0817
MEAN 73 70 68 69 69 MEAN 95 94 95 96 96
%>100 0 0 0 0 0 %>100 14 13 14 26 26
%>95 0 0 0 0 0 %>95 49 45 47 59 60
%>90 0 0 0 0 0 %>90 87 82 84 87 88
%>85 0 0 0 0 0 %>85 99 97 98 98 98
%>80 3 1 1 1 0 %>80 100 100 100 100 100
%>75 30 11 10 11 6 %>75 100 100 100 100 100
%>70 79 46 38 44 40 %>70 100 100 100 100 100
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0813 0814 0815 0816 0817 OKC 0813 0814 0815 0816 0817
MEAN 72 69 69 68 68 MEAN 92 91 91 90 89
%>100 0 0 0 0 0 %>100 0 1 1 1 0
%>95 0 0 0 0 0 %>95 14 15 14 11 6
%>90 0 0 0 0 0 %>90 72 66 64 53 36
%>85 1 1 1 1 1 %>85 97 94 93 90 80
%>80 6 6 6 4 4 %>80 100 100 100 99 98
%>75 28 20 21 17 17 %>75 100 100 100 100 100
%>70 64 47 47 41 41 %>70 100 100 100 100 100
OMAHA_NE PENDLETON_OR
OMA 0813 0814 0815 0816 0817 PDT 0813 0814 0815 0816 0817
MEAN 79 79 79 74 71 MEAN 67 69 71 71 70
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 1 1 0 0 %>95 0 0 0 0 0
%>90 2 4 7 0 0 %>90 0 0 0 0 0
%>85 13 17 22 4 1 %>85 0 0 0 1 1
%>80 41 43 47 18 8 %>80 0 1 3 5 6
%>75 75 73 74 47 25 %>75 3 11 18 23 21
%>70 95 92 91 77 53 %>70 24 40 54 59 48
PHOENIX_AZ PORTLAND_OR
PHX 0813 0814 0815 0816 0817 PDX 0813 0814 0815 0816 0817
MEAN 92 91 92 94 95 MEAN 68 71 71 70 68
%>100 4 3 7 12 17 %>100 0 0 0 0 0
%>95 24 21 30 40 48 %>95 0 0 0 0 0
%>90 64 59 67 75 80 %>90 0 0 0 0 0
%>85 92 90 92 95 96 %>85 0 0 0 0 0
%>80 99 99 99 100 100 %>80 0 1 1 1 1
%>75 100 100 100 100 100 %>75 2 16 14 13 9
%>70 100 100 100 100 100 %>70 31 61 60 53 36
RAPID_CITY_SD SACRAMENTO_CA
RAP 0813 0814 0815 0816 0817 SAC 0813 0814 0815 0816 0817
MEAN 65 66 65 66 69 MEAN 72 71 72 72 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 1 1 1 3 %>80 0 0 0 0 1
%>75 2 7 6 6 14 %>75 11 10 14 14 13
%>70 15 25 22 25 43 %>70 72 65 79 69 60
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0813 0814 0815 0816 0817 SLC 0813 0814 0815 0816 0817
MEAN 92 90 91 91 83 MEAN 71 68 69 70 72
%>100 14 8 7 6 0 %>100 0 0 0 0 0
%>95 36 24 27 24 3 %>95 0 0 0 0 0
%>90 64 51 60 56 13 %>90 0 0 0 0 0
%>85 86 77 87 83 36 %>85 0 0 0 0 0
%>80 96 93 98 96 65 %>80 4 0 0 0 1
%>75 99 98 100 100 87 %>75 25 5 5 7 22
%>70 100 100 100 100 97 %>70 63 38 40 53 70
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0813 0814 0815 0816 0817 SAN 0813 0814 0815 0816 0817
MEAN 92 92 91 89 90 MEAN 72 71 72 72 72
%>100 6 5 1 1 1 %>100 0 0 0 0 0
%>95 29 29 13 9 12 %>95 0 0 0 0 0
%>90 68 70 60 45 50 %>90 0 0 0 0 0
%>85 94 95 95 87 88 %>85 0 0 0 0 0
%>80 100 100 100 99 99 %>80 0 0 1 2 2
%>75 100 100 100 100 100 %>75 8 9 12 17 16
%>70 100 100 100 100 100 %>70 80 68 72 75 69
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0813 0814 0815 0816 0817 SEA 0813 0814 0815 0816 0817
MEAN 62 63 62 61 61 MEAN 67 69 69 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 1 0 0
%>75 0 0 0 0 0 %>75 1 8 9 7 4
%>70 0 0 0 0 0 %>70 20 45 44 35 23
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0813 0814 0815 0816 0817 FSD 0813 0814 0815 0816 0817
MEAN 92 90 90 91 92 MEAN 71 68 69 68 66
%>100 1 0 0 2 3 %>100 0 0 0 0 0
%>95 16 10 10 18 22 %>95 0 0 0 0 0
%>90 70 55 55 63 65 %>90 0 0 0 0 0
%>85 98 94 94 94 93 %>85 0 0 1 0 0
%>80 100 100 100 100 100 %>80 2 2 4 2 2
%>75 100 100 100 100 100 %>75 17 11 19 11 8
%>70 100 100 100 100 100 %>70 54 36 46 36 28
SPRINGFIELD_MO TUCSON_AZ
SGF 0813 0814 0815 0816 0817 TUS 0813 0814 0815 0816 0817
MEAN 92 91 90 90 86 MEAN 82 83 84 86 88
%>100 0 0 0 0 0 %>100 0 0 0 1 2
%>95 13 9 6 6 3 %>95 1 1 3 6 11
%>90 71 58 47 46 21 %>90 5 6 14 24 35
%>85 99 96 91 90 61 %>85 24 28 44 60 71
%>80 100 100 100 100 91 %>80 63 71 81 90 94
%>75 100 100 100 100 99 %>75 93 97 98 99 99
%>70 100 100 100 100 100 %>70 100 100 100 100 100
TULSA_OK WICHITA_KS
TUL 0813 0814 0815 0816 0817 ICT 0813 0814 0815 0816 0817
MEAN 95 95 94 93 91 MEAN 91 91 88 87 84
%>100 2 3 4 2 1 %>100 1 2 1 1 0
%>95 45 47 37 28 13 %>95 14 16 9 7 3
%>90 96 95 85 79 59 %>90 64 55 37 28 14
%>85 100 100 99 98 94 %>85 96 89 76 64 42
%>80 100 100 100 100 100 %>80 100 99 96 90 74
%>75 100 100 100 100 100 %>75 100 100 100 99 93
%>70 100 100 100 100 100 %>70 100 100 100 100 99
YUMA_AZ
YUM 0813 0814 0815 0816 0817
MEAN 94 93 92 93 94
%>100 8 3 3 6 10
%>95 41 29 23 35 40
%>90 84 78 69 79 78
%>85 98 98 95 98 97
%>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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