Heat Index Forecast Tables
Issued by NWS
Issued by NWS
758
FMUS24 KWNH 131729
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1727 UTC THU AUG 13 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM THU AUG 13 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0816 0817 0818 0819 0820 ABQ 0816 0817 0818 0819 0820
MEAN 87 87 88 89 88 MEAN 76 76 77 78 78
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 1 1 1 %>95 0 0 0 0 0
%>90 8 16 26 34 26 %>90 0 1 0 1 1
%>85 74 81 87 91 84 %>85 4 5 4 9 9
%>80 99 99 100 100 99 %>80 20 21 22 35 34
%>75 100 100 100 100 100 %>75 59 55 62 74 72
%>70 100 100 100 100 100 %>70 92 88 92 96 95
AMARILLO_TX AUSTIN_TX
AMA 0816 0817 0818 0819 0820 AUS 0816 0817 0818 0819 0820
MEAN 82 81 83 85 84 MEAN 89 91 91 91 91
%>100 0 0 0 0 0 %>100 0 1 1 1 1
%>95 0 0 0 0 1 %>95 7 13 16 15 13
%>90 0 1 1 7 8 %>90 43 55 65 65 58
%>85 18 14 24 49 40 %>85 89 93 96 97 94
%>80 79 63 83 93 81 %>80 99 100 100 100 100
%>75 99 96 100 100 98 %>75 100 100 100 100 100
%>70 100 100 100 100 100 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0816 0817 0818 0819 0820 BIS 0816 0817 0818 0819 0820
MEAN 94 93 93 92 92 MEAN 65 70 67 65 68
%>100 9 7 8 9 6 %>100 0 0 0 0 0
%>95 39 32 32 32 28 %>95 0 0 0 0 0
%>90 79 72 69 66 65 %>90 0 0 0 0 0
%>85 97 95 93 90 91 %>85 0 0 0 0 0
%>80 100 100 99 98 99 %>80 0 1 0 1 3
%>75 100 100 100 100 100 %>75 1 12 5 6 14
%>70 100 100 100 100 100 %>70 12 52 29 22 37
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0816 0817 0818 0819 0820 CRP 0816 0817 0818 0819 0820
MEAN 98 97 96 96 98 MEAN 95 94 94 95 95
%>100 28 21 13 18 29 %>100 11 10 8 11 15
%>95 75 67 57 64 72 %>95 48 42 39 44 50
%>90 97 95 94 95 96 %>90 91 86 89 88 87
%>85 100 100 100 100 100 %>85 100 99 100 99 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 0816 0817 0818 0819 0820 DEN 0816 0817 0818 0819 0820
MEAN 93 93 95 95 94 MEAN 68 69 71 71 71
%>100 0 1 6 3 1 %>100 0 0 0 0 0
%>95 19 24 47 49 33 %>95 0 0 0 0 0
%>90 87 87 92 96 90 %>90 0 0 0 0 0
%>85 100 100 100 100 100 %>85 0 0 0 0 0
%>80 100 100 100 100 100 %>80 0 0 1 3 4
%>75 100 100 100 100 100 %>75 3 4 18 21 22
%>70 100 100 100 100 100 %>70 30 37 64 60 59
DES_MOINES_IA EL_PASO_TX
DSM 0816 0817 0818 0819 0820 ELP 0816 0817 0818 0819 0820
MEAN 79 74 77 78 74 MEAN 83 83 84 85 85
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 0 0 0 1 1
%>90 1 0 0 3 4 %>90 4 4 5 11 10
%>85 8 0 4 14 11 %>85 29 30 37 49 48
%>80 40 8 25 38 25 %>80 79 78 84 89 88
%>75 81 43 66 68 46 %>75 99 98 99 99 99
%>70 98 85 94 89 68 %>70 100 100 100 100 100
FRESNO_CA GOODLAND_KS
FAT 0816 0817 0818 0819 0820 GLD 0816 0817 0818 0819 0820
MEAN 77 78 76 76 77 MEAN 72 72 75 74 74
%>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 1 %>90 0 0 0 0 1
%>85 0 1 2 4 5 %>85 0 0 3 4 4
%>80 10 24 16 24 26 %>80 2 5 18 17 17
%>75 74 82 59 63 63 %>75 21 27 54 46 42
%>70 96 98 90 90 89 %>70 67 67 86 76 71
GREAT_FALLS_MT HOUSTON_TX
GTF 0816 0817 0818 0819 0820 HOU 0816 0817 0818 0819 0820
MEAN 65 65 64 64 64 MEAN 92 94 95 95 94
%>100 0 0 0 0 0 %>100 3 8 12 12 9
%>95 0 0 0 0 0 %>95 22 38 46 46 41
%>90 0 0 0 0 0 %>90 70 80 87 88 83
%>85 0 0 0 0 0 %>85 97 98 99 99 98
%>80 0 0 0 0 0 %>80 100 100 100 100 100
%>75 0 2 1 2 3 %>75 100 100 100 100 100
%>70 10 15 10 13 16 %>70 100 100 100 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0816 0817 0818 0819 0820 MCI 0816 0817 0818 0819 0820
MEAN 93 93 93 92 91 MEAN 87 80 82 85 82
%>100 2 4 7 4 3 %>100 1 0 0 1 2
%>95 26 29 36 25 22 %>95 7 0 0 7 6
%>90 76 75 77 65 61 %>90 29 2 5 23 16
%>85 98 97 97 93 91 %>85 65 13 27 52 34
%>80 100 100 100 99 99 %>80 91 47 68 80 57
%>75 100 100 100 100 100 %>75 99 83 93 95 77
%>70 100 100 100 100 100 %>70 100 98 99 99 91
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0816 0817 0818 0819 0820 LIT 0816 0817 0818 0819 0820
MEAN 84 87 88 88 88 MEAN 94 95 93 93 92
%>100 1 2 3 3 5 %>100 2 11 5 4 6
%>95 4 11 13 13 16 %>95 40 51 33 30 31
%>90 17 33 38 37 38 %>90 91 90 78 77 69
%>85 44 65 69 66 64 %>85 100 99 97 97 93
%>80 74 88 90 88 85 %>80 100 100 100 100 99
%>75 92 97 98 97 96 %>75 100 100 100 100 100
%>70 98 100 100 100 99 %>70 100 100 100 100 100
LOS_ANGELES_CA MIDLAND_TX
LAX 0816 0817 0818 0819 0820 MAF 0816 0817 0818 0819 0820
MEAN 72 73 73 74 74 MEAN 84 84 85 86 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 0 1 1 4 4
%>85 0 0 1 1 1 %>85 33 41 45 59 55
%>80 1 2 6 9 9 %>80 97 97 98 99 98
%>75 13 21 33 39 37 %>75 100 100 100 100 100
%>70 74 77 76 81 78 %>70 100 100 100 100 100
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0816 0817 0818 0819 0820 MSY 0816 0817 0818 0819 0820
MEAN 74 72 73 71 70 MEAN 97 97 97 97 96
%>100 0 0 0 0 0 %>100 24 24 27 27 20
%>95 0 0 0 0 0 %>95 64 62 61 60 54
%>90 0 0 0 0 0 %>90 93 91 89 87 86
%>85 0 0 0 0 1 %>85 100 99 98 98 98
%>80 7 1 5 4 6 %>80 100 100 100 100 100
%>75 44 16 35 21 20 %>75 100 100 100 100 100
%>70 87 69 80 55 47 %>70 100 100 100 100 100
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0816 0817 0818 0819 0820 OKC 0816 0817 0818 0819 0820
MEAN 71 72 75 73 72 MEAN 91 89 90 92 90
%>100 0 0 0 0 0 %>100 0 0 0 0 3
%>95 0 0 0 0 0 %>95 13 6 7 15 18
%>90 0 0 0 0 1 %>90 69 42 45 71 51
%>85 0 0 4 3 3 %>85 97 88 90 98 83
%>80 1 4 20 13 13 %>80 100 99 100 100 97
%>75 18 28 53 36 33 %>75 100 100 100 100 100
%>70 64 71 84 65 60 %>70 100 100 100 100 100
OMAHA_NE PENDLETON_OR
OMA 0816 0817 0818 0819 0820 PDT 0816 0817 0818 0819 0820
MEAN 78 74 79 78 75 MEAN 71 71 69 67 67
%>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 0 1 4 5 %>90 0 0 0 0 0
%>85 6 0 10 15 13 %>85 0 0 0 0 0
%>80 34 8 38 38 29 %>80 3 3 2 1 2
%>75 76 43 76 66 50 %>75 18 19 12 8 11
%>70 97 86 95 87 71 %>70 59 58 42 30 34
PHOENIX_AZ PORTLAND_OR
PHX 0816 0817 0818 0819 0820 PDX 0816 0817 0818 0819 0820
MEAN 94 96 97 98 97 MEAN 69 69 67 67 68
%>100 9 18 28 33 30 %>100 0 0 0 0 0
%>95 42 57 69 70 63 %>95 0 0 0 0 0
%>90 82 90 94 93 88 %>90 0 0 0 0 0
%>85 98 99 100 99 98 %>85 0 0 0 0 0
%>80 100 100 100 100 100 %>80 0 0 0 0 1
%>75 100 100 100 100 100 %>75 1 4 4 4 9
%>70 100 100 100 100 100 %>70 35 43 27 25 37
RAPID_CITY_SD SACRAMENTO_CA
RAP 0816 0817 0818 0819 0820 SAC 0816 0817 0818 0819 0820
MEAN 67 70 70 69 70 MEAN 71 71 71 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 1 %>85 0 0 0 1 1
%>80 0 2 2 3 5 %>80 0 0 1 6 7
%>75 5 15 16 14 21 %>75 9 11 16 31 32
%>70 29 52 51 42 50 %>70 68 68 63 70 71
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0816 0817 0818 0819 0820 SLC 0816 0817 0818 0819 0820
MEAN 93 84 83 87 84 MEAN 71 72 74 73 73
%>100 9 0 0 3 3 %>100 0 0 0 0 0
%>95 37 3 2 13 10 %>95 0 0 0 0 0
%>90 75 16 12 35 25 %>90 0 0 0 0 0
%>85 95 44 37 64 46 %>85 0 0 0 0 1
%>80 100 76 71 87 69 %>80 0 0 3 6 7
%>75 100 94 92 97 86 %>75 7 19 40 37 34
%>70 100 99 99 100 95 %>70 63 83 86 79 72
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0816 0817 0818 0819 0820 SAN 0816 0817 0818 0819 0820
MEAN 89 89 90 90 90 MEAN 73 73 73 74 73
%>100 0 0 1 1 1 %>100 0 0 0 0 0
%>95 5 6 11 11 11 %>95 0 0 0 0 0
%>90 40 44 51 52 51 %>90 0 0 0 0 0
%>85 88 89 91 91 90 %>85 0 0 0 1 1
%>80 100 100 100 100 100 %>80 3 3 4 8 8
%>75 100 100 100 100 100 %>75 19 21 27 35 33
%>70 100 100 100 100 100 %>70 87 88 83 81 78
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0816 0817 0818 0819 0820 SEA 0816 0817 0818 0819 0820
MEAN 60 60 61 61 61 MEAN 67 67 66 65 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 0 0
%>75 0 0 0 0 0 %>75 0 1 1 1 1
%>70 0 0 0 0 1 %>70 17 21 13 13 15
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0816 0817 0818 0819 0820 FSD 0816 0817 0818 0819 0820
MEAN 92 92 92 92 91 MEAN 70 67 72 69 68
%>100 2 1 3 3 4 %>100 0 0 0 0 0
%>95 22 21 27 24 22 %>95 0 0 0 0 0
%>90 72 72 73 67 58 %>90 0 0 0 0 0
%>85 97 98 96 95 89 %>85 0 0 1 1 1
%>80 100 100 100 100 99 %>80 2 0 6 4 6
%>75 100 100 100 100 100 %>75 15 5 26 17 18
%>70 100 100 100 100 100 %>70 52 29 62 41 38
SPRINGFIELD_MO TUCSON_AZ
SGF 0816 0817 0818 0819 0820 TUS 0816 0817 0818 0819 0820
MEAN 92 87 86 89 87 MEAN 87 89 90 90 89
%>100 0 0 0 1 3 %>100 1 2 4 5 6
%>95 12 4 2 8 11 %>95 5 10 16 19 19
%>90 71 25 17 40 31 %>90 22 37 46 48 44
%>85 99 65 57 81 59 %>85 61 77 81 81 73
%>80 100 93 91 98 83 %>80 92 97 97 97 92
%>75 100 99 99 100 95 %>75 100 100 100 100 99
%>70 100 100 100 100 99 %>70 100 100 100 100 100
TULSA_OK WICHITA_KS
TUL 0816 0817 0818 0819 0820 ICT 0816 0817 0818 0819 0820
MEAN 95 91 91 94 92 MEAN 90 84 86 88 85
%>100 6 3 3 4 9 %>100 0 0 0 1 3
%>95 54 20 20 37 30 %>95 8 1 2 9 11
%>90 96 61 60 87 61 %>90 45 11 16 37 27
%>85 100 92 91 99 86 %>85 88 41 57 73 52
%>80 100 99 99 100 97 %>80 99 78 91 94 75
%>75 100 100 100 100 100 %>75 100 96 99 99 91
%>70 100 100 100 100 100 %>70 100 100 100 100 98
YUMA_AZ
YUM 0816 0817 0818 0819 0820
MEAN 95 96 97 97 97
%>100 3 12 20 31 28
%>95 46 64 65 65 62
%>90 94 97 94 90 89
%>85 100 100 100 98 98
%>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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