Heat Index Forecast Tables
Issued by NWS
Issued by NWS
536
FMUS24 KWNH 181730
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1727 UTC FRI SEP 18 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM FRI SEP 18 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0921 0922 0923 0924 0925 ABQ 0921 0922 0923 0924 0925
MEAN 84 81 79 80 79 MEAN 66 66 63 63 64
%>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 9 3 2 2 3 %>90 0 0 0 0 0
%>85 41 18 12 17 15 %>85 0 0 0 0 0
%>80 85 55 45 53 45 %>80 0 1 0 0 0
%>75 99 89 82 87 78 %>75 3 6 1 1 2
%>70 100 99 97 99 96 %>70 18 23 7 8 13
AMARILLO_TX AUSTIN_TX
AMA 0921 0922 0923 0924 0925 AUS 0921 0922 0923 0924 0925
MEAN 72 68 66 68 70 MEAN 92 91 90 88 85
%>100 0 0 0 0 0 %>100 8 4 4 2 0
%>95 0 0 0 0 0 %>95 28 21 18 10 4
%>90 0 0 0 0 0 %>90 61 54 49 37 20
%>85 0 0 0 0 0 %>85 88 85 80 73 52
%>80 2 0 0 1 3 %>80 98 98 96 94 83
%>75 24 5 3 9 17 %>75 100 100 100 99 97
%>70 73 32 22 37 52 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0921 0922 0923 0924 0925 BIS 0921 0922 0923 0924 0925
MEAN 91 91 89 84 81 MEAN 59 59 61 64 64
%>100 3 3 1 0 0 %>100 0 0 0 0 0
%>95 20 20 8 1 0 %>95 0 0 0 0 0
%>90 57 59 38 11 4 %>90 0 0 0 0 0
%>85 89 91 80 43 22 %>85 0 0 0 0 0
%>80 99 99 98 81 57 %>80 0 0 0 0 0
%>75 100 100 100 97 87 %>75 0 0 0 1 3
%>70 100 100 100 100 98 %>70 0 1 3 11 16
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0921 0922 0923 0924 0925 CRP 0921 0922 0923 0924 0925
MEAN 97 96 96 96 94 MEAN 95 95 95 95 91
%>100 26 23 24 25 14 %>100 17 13 15 13 4
%>95 62 58 59 60 45 %>95 51 43 48 44 22
%>90 90 87 88 88 80 %>90 87 85 86 84 59
%>85 99 98 98 98 96 %>85 99 99 98 98 90
%>80 100 100 100 100 100 %>80 100 100 100 100 99
%>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 0921 0922 0923 0924 0925 DEN 0921 0922 0923 0924 0925
MEAN 91 87 85 84 83 MEAN 60 64 65 66 67
%>100 4 1 1 0 0 %>100 0 0 0 0 0
%>95 21 7 4 4 2 %>95 0 0 0 0 0
%>90 57 28 18 18 12 %>90 0 0 0 0 0
%>85 88 61 47 46 36 %>85 0 0 0 0 0
%>80 98 87 77 77 69 %>80 0 0 0 0 1
%>75 100 98 94 94 91 %>75 0 2 1 3 8
%>70 100 100 99 99 99 %>70 0 12 13 20 30
DES_MOINES_IA EL_PASO_TX
DSM 0921 0922 0923 0924 0925 ELP 0921 0922 0923 0924 0925
MEAN 60 57 56 60 63 MEAN 76 76 72 71 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 0 %>85 1 4 0 0 1
%>80 0 0 0 0 0 %>80 14 21 4 2 10
%>75 0 0 0 0 1 %>75 57 57 24 19 35
%>70 0 0 0 2 10 %>70 93 88 64 58 70
FRESNO_CA GOODLAND_KS
FAT 0921 0922 0923 0924 0925 GLD 0921 0922 0923 0924 0925
MEAN 73 74 77 78 77 MEAN 63 62 65 67 68
%>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 2 3 %>85 0 0 0 0 0
%>80 1 2 13 33 23 %>80 0 0 0 0 2
%>75 26 38 75 85 65 %>75 0 0 2 6 10
%>70 88 93 98 98 92 %>70 1 3 14 27 36
GREAT_FALLS_MT HOUSTON_TX
GTF 0921 0922 0923 0924 0925 HOU 0921 0922 0923 0924 0925
MEAN 61 62 61 62 63 MEAN 93 94 93 89 86
%>100 0 0 0 0 0 %>100 10 9 10 2 0
%>95 0 0 0 0 0 %>95 36 36 35 12 4
%>90 0 0 0 0 0 %>90 76 77 75 43 20
%>85 0 0 0 0 0 %>85 96 97 96 80 55
%>80 0 0 0 0 1 %>80 100 100 100 97 86
%>75 0 0 0 1 5 %>75 100 100 100 100 98
%>70 1 3 3 7 16 %>70 100 100 100 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0921 0922 0923 0924 0925 MCI 0921 0922 0923 0924 0925
MEAN 90 89 84 80 77 MEAN 66 60 60 63 66
%>100 1 1 0 0 0 %>100 0 0 0 0 0
%>95 12 10 1 0 0 %>95 0 0 0 0 0
%>90 52 44 9 2 1 %>90 0 0 0 0 0
%>85 90 84 42 15 8 %>85 0 0 0 0 0
%>80 99 99 83 48 32 %>80 0 0 0 0 1
%>75 100 100 98 82 68 %>75 1 0 0 1 6
%>70 100 100 100 97 92 %>70 16 1 2 9 24
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0921 0922 0923 0924 0925 LIT 0921 0922 0923 0924 0925
MEAN 78 77 78 80 80 MEAN 89 82 76 75 75
%>100 0 0 0 0 0 %>100 1 0 0 0 0
%>95 1 1 1 2 2 %>95 8 1 0 0 0
%>90 6 5 6 8 9 %>90 42 6 1 1 0
%>85 17 14 18 22 25 %>85 85 29 6 4 4
%>80 39 33 39 47 50 %>80 99 68 24 19 18
%>75 65 59 66 74 75 %>75 100 93 57 49 47
%>70 87 82 87 92 92 %>70 100 99 86 79 79
LOS_ANGELES_CA MIDLAND_TX
LAX 0921 0922 0923 0924 0925 MAF 0921 0922 0923 0924 0925
MEAN 70 71 73 74 75 MEAN 82 79 77 78 77
%>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 1 0 0 0
%>85 0 0 0 1 2 %>85 20 11 2 3 5
%>80 0 1 5 8 13 %>80 71 42 20 27 27
%>75 4 7 28 41 53 %>75 97 80 64 73 67
%>70 55 61 83 89 92 %>70 100 97 94 97 93
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0921 0922 0923 0924 0925 MSY 0921 0922 0923 0924 0925
MEAN 56 54 54 58 61 MEAN 92 92 92 87 83
%>100 0 0 0 0 0 %>100 5 7 6 0 0
%>95 0 0 0 0 0 %>95 26 30 26 5 1
%>90 0 0 0 0 0 %>90 66 67 62 28 10
%>85 0 0 0 0 0 %>85 93 92 90 66 38
%>80 0 0 0 0 0 %>80 99 99 99 92 76
%>75 0 0 0 0 0 %>75 100 100 100 99 95
%>70 0 0 0 1 3 %>70 100 100 100 100 100
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0921 0922 0923 0924 0925 OKC 0921 0922 0923 0924 0925
MEAN 59 57 61 64 64 MEAN 79 73 72 74 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 1 1
%>85 0 0 0 0 0 %>85 3 0 1 4 6
%>80 0 0 0 0 0 %>80 34 6 8 18 22
%>75 0 0 0 2 3 %>75 84 33 31 46 50
%>70 0 0 2 13 15 %>70 99 75 65 76 79
OMAHA_NE PENDLETON_OR
OMA 0921 0922 0923 0924 0925 PDT 0921 0922 0923 0924 0925
MEAN 60 57 57 61 64 MEAN 66 64 61 62 61
%>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 1 %>75 0 0 0 0 2
%>70 0 0 0 5 11 %>70 9 4 2 5 10
PHOENIX_AZ PORTLAND_OR
PHX 0921 0922 0923 0924 0925 PDX 0921 0922 0923 0924 0925
MEAN 88 87 90 91 92 MEAN 64 62 61 63 61
%>100 2 1 4 11 13 %>100 0 0 0 0 0
%>95 10 7 18 30 32 %>95 0 0 0 0 0
%>90 35 29 47 57 59 %>90 0 0 0 0 0
%>85 69 65 78 81 81 %>85 0 0 0 0 0
%>80 92 91 95 94 94 %>80 0 0 0 0 0
%>75 99 99 99 99 99 %>75 0 0 0 2 2
%>70 100 100 100 100 100 %>70 4 1 1 10 8
RAPID_CITY_SD SACRAMENTO_CA
RAP 0921 0922 0923 0924 0925 SAC 0921 0922 0923 0924 0925
MEAN 56 61 65 65 66 MEAN 70 71 73 74 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 0 0 %>85 0 0 0 1 1
%>80 0 0 0 0 0 %>80 0 0 3 12 8
%>75 0 0 1 2 4 %>75 6 7 31 44 31
%>70 0 1 12 15 21 %>70 51 58 84 81 65
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0921 0922 0923 0924 0925 SLC 0921 0922 0923 0924 0925
MEAN 76 66 65 66 69 MEAN 61 63 64 65 67
%>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 1 0 0 0 0 %>90 0 0 0 0 0
%>85 6 0 0 0 0 %>85 0 0 0 0 0
%>80 23 0 0 0 3 %>80 0 0 0 0 0
%>75 55 4 2 4 14 %>75 0 1 1 2 4
%>70 84 23 14 22 41 %>70 1 9 8 16 26
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0921 0922 0923 0924 0925 SAN 0921 0922 0923 0924 0925
MEAN 90 90 89 88 86 MEAN 70 70 72 73 75
%>100 3 3 2 1 0 %>100 0 0 0 0 0
%>95 17 16 12 8 3 %>95 0 0 0 0 0
%>90 51 48 43 35 19 %>90 0 0 0 0 0
%>85 85 82 80 75 55 %>85 0 0 0 0 2
%>80 98 97 97 96 87 %>80 0 0 2 5 13
%>75 100 100 100 100 98 %>75 2 4 16 27 44
%>70 100 100 100 100 100 %>70 46 52 76 85 89
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0921 0922 0923 0924 0925 SEA 0921 0922 0923 0924 0925
MEAN 62 64 66 66 66 MEAN 60 60 58 60 59
%>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 1 3 1 %>75 0 0 0 0 0
%>70 0 2 16 21 15 %>70 0 0 0 2 2
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0921 0922 0923 0924 0925 FSD 0921 0922 0923 0924 0925
MEAN 90 89 85 81 79 MEAN 55 54 55 60 62
%>100 0 1 0 0 0 %>100 0 0 0 0 0
%>95 10 8 3 1 1 %>95 0 0 0 0 0
%>90 52 38 17 7 5 %>90 0 0 0 0 0
%>85 92 79 47 25 18 %>85 0 0 0 0 0
%>80 100 97 79 55 44 %>80 0 0 0 0 0
%>75 100 100 95 82 73 %>75 0 0 0 0 1
%>70 100 100 99 96 91 %>70 0 0 0 3 6
SPRINGFIELD_MO TUCSON_AZ
SGF 0921 0922 0923 0924 0925 TUS 0921 0922 0923 0924 0925
MEAN 77 68 66 68 70 MEAN 80 80 80 81 82
%>100 0 0 0 0 0 %>100 0 0 0 0 1
%>95 0 0 0 0 0 %>95 0 0 1 2 4
%>90 0 0 0 0 0 %>90 1 3 5 9 14
%>85 4 0 0 0 1 %>85 10 13 19 26 33
%>80 27 1 1 3 7 %>80 45 45 50 54 60
%>75 70 8 6 14 24 %>75 88 82 82 81 84
%>70 95 34 25 38 52 %>70 99 98 97 96 96
TULSA_OK WICHITA_KS
TUL 0921 0922 0923 0924 0925 ICT 0921 0922 0923 0924 0925
MEAN 78 71 71 73 74 MEAN 71 66 65 69 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 1 %>90 0 0 0 0 0
%>85 6 0 1 3 5 %>85 0 0 0 0 2
%>80 36 4 7 13 19 %>80 0 0 0 3 10
%>75 80 23 26 36 46 %>75 11 2 3 14 29
%>70 98 61 58 66 75 %>70 59 16 18 40 59
YUMA_AZ
YUM 0921 0922 0923 0924 0925
MEAN 87 85 88 90 92
%>100 0 0 1 2 8
%>95 3 1 7 14 30
%>90 22 12 30 47 63
%>85 64 48 69 83 89
%>80 94 86 94 98 98
%>75 100 99 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
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