Heat Index Forecast Tables
Issued by NWS
Issued by NWS
807
FMUS24 KWNH 130654
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0652 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 86 87 88 88 88 MEAN 76 75 76 78 78
%>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 8 16 25 28 25 %>90 1 1 1 1 2
%>85 70 79 87 88 82 %>85 5 4 5 8 12
%>80 99 99 100 100 99 %>80 22 19 23 32 36
%>75 100 100 100 100 100 %>75 57 51 60 70 71
%>70 100 100 100 100 100 %>70 89 85 90 94 93
AMARILLO_TX AUSTIN_TX
AMA 0816 0817 0818 0819 0820 AUS 0816 0817 0818 0819 0820
MEAN 83 81 83 84 84 MEAN 90 90 92 91 91
%>100 0 0 0 0 0 %>100 1 1 3 1 2
%>95 0 0 0 0 0 %>95 9 11 22 12 17
%>90 0 0 1 3 7 %>90 45 54 66 60 61
%>85 23 13 25 41 39 %>85 88 93 95 96 93
%>80 88 64 84 93 83 %>80 99 100 100 100 100
%>75 100 97 100 100 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 93 92 92 91 93 MEAN 65 69 68 66 66
%>100 9 9 7 6 10 %>100 0 0 0 0 0
%>95 36 33 30 24 34 %>95 0 0 0 0 0
%>90 75 66 65 58 68 %>90 0 0 0 0 0
%>85 96 90 91 86 91 %>85 0 0 0 0 0
%>80 100 98 99 97 99 %>80 0 1 1 1 2
%>75 100 100 100 100 100 %>75 1 10 8 8 10
%>70 100 100 100 100 100 %>70 13 45 35 27 30
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0816 0817 0818 0819 0820 CRP 0816 0817 0818 0819 0820
MEAN 97 96 96 96 97 MEAN 95 95 95 95 95
%>100 24 17 14 13 25 %>100 12 11 12 10 14
%>95 70 64 60 60 67 %>95 47 44 46 42 50
%>90 96 95 94 95 94 %>90 88 88 90 87 88
%>85 100 100 100 100 100 %>85 99 99 99 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 94 94 MEAN 69 69 71 73 72
%>100 0 1 4 2 3 %>100 0 0 0 0 0
%>95 20 28 44 43 41 %>95 0 0 0 0 0
%>90 83 86 93 94 91 %>90 0 0 0 0 0
%>85 99 100 100 100 100 %>85 0 0 0 0 1
%>80 100 100 100 100 100 %>80 0 0 2 6 7
%>75 100 100 100 100 100 %>75 5 6 18 30 31
%>70 100 100 100 100 100 %>70 35 39 62 70 68
DES_MOINES_IA EL_PASO_TX
DSM 0816 0817 0818 0819 0820 ELP 0816 0817 0818 0819 0820
MEAN 78 72 75 77 75 MEAN 82 82 83 84 84
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 0 1 0 1 1
%>90 0 0 0 2 5 %>90 3 6 5 8 11
%>85 6 0 2 10 14 %>85 23 28 32 39 44
%>80 34 3 15 31 30 %>80 67 68 77 82 84
%>75 77 25 50 61 51 %>75 95 94 98 98 98
%>70 97 72 85 85 72 %>70 100 100 100 100 100
FRESNO_CA GOODLAND_KS
FAT 0816 0817 0818 0819 0820 GLD 0816 0817 0818 0819 0820
MEAN 78 78 76 76 76 MEAN 72 72 75 75 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 1 1 %>90 0 0 0 0 1
%>85 0 2 4 7 6 %>85 0 0 3 4 7
%>80 20 26 23 26 24 %>80 4 5 17 21 23
%>75 82 79 62 58 58 %>75 25 27 47 53 52
%>70 98 96 90 85 86 %>70 66 65 79 84 79
GREAT_FALLS_MT HOUSTON_TX
GTF 0816 0817 0818 0819 0820 HOU 0816 0817 0818 0819 0820
MEAN 65 66 66 65 64 MEAN 92 93 95 94 95
%>100 0 0 0 0 0 %>100 3 6 14 10 17
%>95 0 0 0 0 0 %>95 23 31 47 42 51
%>90 0 0 0 0 0 %>90 71 78 85 86 85
%>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 1 2 3 3 4 %>75 100 100 100 100 100
%>70 11 17 18 17 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 92 91 92 MEAN 88 80 82 85 83
%>100 2 6 7 5 6 %>100 1 0 0 1 2
%>95 25 32 31 23 28 %>95 10 0 1 6 7
%>90 78 72 68 54 63 %>90 37 4 7 21 20
%>85 99 95 92 83 90 %>85 72 19 31 49 41
%>80 100 100 99 97 99 %>80 93 53 67 78 65
%>75 100 100 100 100 100 %>75 99 84 92 94 84
%>70 100 100 100 100 100 %>70 100 97 99 99 95
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 93 94 92 92 93
%>100 1 3 5 5 5 %>100 1 7 4 4 6
%>95 5 11 16 17 16 %>95 25 40 27 26 31
%>90 18 33 40 40 38 %>90 81 84 70 67 71
%>85 45 64 68 66 64 %>85 99 99 95 94 94
%>80 74 87 88 86 85 %>80 100 100 100 99 100
%>75 92 97 97 96 96 %>75 100 100 100 100 100
%>70 98 100 100 99 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 74 74 73 MEAN 84 85 85 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 1 2 2 4 5
%>85 0 0 1 1 1 %>85 38 44 50 56 53
%>80 1 3 8 10 8 %>80 96 97 99 98 97
%>75 15 24 37 40 35 %>75 100 100 100 100 100
%>70 75 79 80 80 75 %>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 96 97
%>100 0 0 0 0 0 %>100 27 29 31 25 30
%>95 0 0 0 0 0 %>95 64 63 64 61 61
%>90 0 0 0 0 0 %>90 91 89 89 89 87
%>85 0 0 0 1 2 %>85 99 98 98 99 97
%>80 7 1 6 7 9 %>80 100 100 100 100 100
%>75 43 16 34 26 25 %>75 100 100 100 100 100
%>70 86 66 77 58 50 %>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 71 74 74 72 MEAN 91 89 89 91 91
%>100 0 0 0 0 0 %>100 0 0 0 1 3
%>95 0 0 0 0 0 %>95 11 5 8 13 18
%>90 0 0 0 0 1 %>90 60 36 45 59 55
%>85 0 0 3 3 5 %>85 93 83 87 93 87
%>80 2 5 17 15 16 %>80 100 99 99 100 98
%>75 18 25 46 42 37 %>75 100 100 100 100 100
%>70 62 62 77 73 62 %>70 100 100 100 100 100
OMAHA_NE PENDLETON_OR
OMA 0816 0817 0818 0819 0820 PDT 0816 0817 0818 0819 0820
MEAN 78 73 77 78 77 MEAN 72 72 70 68 67
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 2 %>95 0 0 0 0 0
%>90 0 0 1 3 7 %>90 0 0 0 0 0
%>85 6 0 7 14 17 %>85 0 0 0 0 0
%>80 32 7 29 36 35 %>80 3 3 3 2 2
%>75 74 35 64 66 57 %>75 21 23 17 10 11
%>70 96 76 90 87 77 %>70 68 66 50 34 33
PHOENIX_AZ PORTLAND_OR
PHX 0816 0817 0818 0819 0820 PDX 0816 0817 0818 0819 0820
MEAN 95 96 98 98 97 MEAN 70 70 69 68 68
%>100 15 24 34 34 33 %>100 0 0 0 0 0
%>95 50 61 71 69 65 %>95 0 0 0 0 0
%>90 85 90 93 92 89 %>90 0 0 0 0 0
%>85 98 99 99 99 98 %>85 0 0 0 0 0
%>80 100 100 100 100 100 %>80 0 1 1 1 0
%>75 100 100 100 100 100 %>75 7 13 11 8 6
%>70 100 100 100 100 100 %>70 55 55 43 34 32
RAPID_CITY_SD SACRAMENTO_CA
RAP 0816 0817 0818 0819 0820 SAC 0816 0817 0818 0819 0820
MEAN 68 71 71 70 70 MEAN 72 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 1 2 %>85 0 0 0 1 1
%>80 0 2 3 6 7 %>80 0 1 3 9 8
%>75 5 17 20 22 23 %>75 16 14 20 34 33
%>70 33 54 56 52 50 %>70 77 66 61 70 71
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0816 0817 0818 0819 0820 SLC 0816 0817 0818 0819 0820
MEAN 95 85 82 86 86 MEAN 71 73 75 75 74
%>100 21 1 0 1 4 %>100 0 0 0 0 0
%>95 51 6 1 8 13 %>95 0 0 0 0 0
%>90 80 22 6 27 30 %>90 0 0 0 0 0
%>85 95 52 30 58 54 %>85 0 0 1 1 2
%>80 99 81 68 85 77 %>80 0 1 12 13 12
%>75 100 95 93 97 91 %>75 10 30 54 48 43
%>70 100 99 99 100 98 %>70 70 86 88 83 77
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 74 74 73
%>100 0 0 1 0 1 %>100 0 0 0 0 0
%>95 5 3 13 9 14 %>95 0 0 0 0 0
%>90 39 37 54 48 52 %>90 0 0 0 0 0
%>85 86 88 91 90 89 %>85 0 0 1 1 1
%>80 99 100 99 100 99 %>80 3 5 8 10 7
%>75 100 100 100 100 100 %>75 19 25 33 37 30
%>70 100 100 100 100 100 %>70 87 88 84 81 75
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0816 0817 0818 0819 0820 SEA 0816 0817 0818 0819 0820
MEAN 60 60 61 62 62 MEAN 68 68 67 66 65
%>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 3 5 4 2 1
%>70 0 0 0 1 1 %>70 31 32 24 18 14
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0816 0817 0818 0819 0820 FSD 0816 0817 0818 0819 0820
MEAN 92 93 93 91 92 MEAN 69 67 69 68 68
%>100 1 2 4 3 6 %>100 0 0 0 0 0
%>95 18 27 28 21 28 %>95 0 0 0 0 0
%>90 67 78 73 60 66 %>90 0 0 0 0 1
%>85 96 98 96 90 92 %>85 0 0 1 1 3
%>80 100 100 100 99 99 %>80 1 1 5 6 9
%>75 100 100 100 100 100 %>75 12 6 19 19 21
%>70 100 100 100 100 100 %>70 45 27 46 41 40
SPRINGFIELD_MO TUCSON_AZ
SGF 0816 0817 0818 0819 0820 TUS 0816 0817 0818 0819 0820
MEAN 92 87 86 88 88 MEAN 87 89 90 90 89
%>100 1 1 0 1 2 %>100 2 3 6 7 8
%>95 16 6 2 7 11 %>95 8 14 20 21 21
%>90 73 30 16 33 35 %>90 29 42 49 48 45
%>85 99 69 56 73 68 %>85 66 78 81 78 72
%>80 100 94 90 95 91 %>80 93 96 97 94 91
%>75 100 100 99 100 98 %>75 100 100 100 99 98
%>70 100 100 100 100 100 %>70 100 100 100 100 100
TULSA_OK WICHITA_KS
TUL 0816 0817 0818 0819 0820 ICT 0816 0817 0818 0819 0820
MEAN 94 90 91 93 92 MEAN 89 84 86 88 87
%>100 2 1 3 3 8 %>100 0 0 0 1 3
%>95 33 15 20 28 32 %>95 6 1 2 8 12
%>90 88 53 58 74 66 %>90 43 10 18 36 33
%>85 100 88 89 97 91 %>85 89 41 59 75 62
%>80 100 99 99 100 99 %>80 100 80 91 96 85
%>75 100 100 100 100 100 %>75 100 97 99 100 96
%>70 100 100 100 100 100 %>70 100 100 100 100 99
YUMA_AZ
YUM 0816 0817 0818 0819 0820
MEAN 95 96 97 97 97
%>100 8 14 21 30 31
%>95 55 66 65 64 63
%>90 95 97 94 89 88
%>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
$$