Heat Index Forecast Tables
Issued by NWS
Issued by NWS
340
FMUS24 KWNH 121728
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1727 UTC SAT SEP 12 2026
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM SAT SEP 12 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0915 0916 0917 0918 0919 ABQ 0915 0916 0917 0918 0919
MEAN 88 87 87 84 80 MEAN 73 72 71 69 68
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 2 1 1 3 2 %>95 0 0 0 0 0
%>90 26 16 16 14 8 %>90 0 0 0 0 0
%>85 87 77 67 43 23 %>85 2 1 1 1 1
%>80 100 100 98 77 48 %>80 9 7 6 3 4
%>75 100 100 100 95 74 %>75 34 26 22 15 14
%>70 100 100 100 100 90 %>70 73 62 52 41 39
AMARILLO_TX AUSTIN_TX
AMA 0915 0916 0917 0918 0919 AUS 0915 0916 0917 0918 0919
MEAN 84 79 77 73 71 MEAN 93 92 92 89 87
%>100 0 0 0 0 0 %>100 10 6 7 2 1
%>95 0 0 0 0 0 %>95 37 28 28 14 7
%>90 8 0 1 1 1 %>90 74 66 63 43 29
%>85 44 4 7 6 4 %>85 95 92 89 78 64
%>80 87 35 30 19 12 %>80 99 99 98 96 90
%>75 99 83 68 41 29 %>75 100 100 100 100 99
%>70 100 99 92 67 53 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0915 0916 0917 0918 0919 BIS 0915 0916 0917 0918 0919
MEAN 92 91 86 86 87 MEAN 55 56 58 61 60
%>100 2 1 0 0 1 %>100 0 0 0 0 0
%>95 20 12 3 3 5 %>95 0 0 0 0 0
%>90 68 57 18 18 26 %>90 0 0 0 0 0
%>85 97 94 56 55 64 %>85 0 0 0 0 0
%>80 100 100 89 88 91 %>80 0 0 0 0 0
%>75 100 100 99 99 99 %>75 0 0 0 3 2
%>70 100 100 100 100 100 %>70 0 0 2 10 8
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0915 0916 0917 0918 0919 CRP 0915 0916 0917 0918 0919
MEAN 100 98 97 94 93 MEAN 99 98 97 93 91
%>100 47 34 32 16 7 %>100 38 31 26 10 6
%>95 81 70 62 45 32 %>95 83 71 61 34 23
%>90 97 93 86 78 69 %>90 99 95 90 71 59
%>85 100 99 97 95 93 %>85 100 100 99 94 89
%>80 100 100 100 99 99 %>80 100 100 100 99 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 0915 0916 0917 0918 0919 DEN 0915 0916 0917 0918 0919
MEAN 94 94 93 89 86 MEAN 65 68 65 65 64
%>100 5 4 3 2 2 %>100 0 0 0 0 0
%>95 41 37 31 14 9 %>95 0 0 0 0 0
%>90 91 89 82 45 26 %>90 0 0 0 0 0
%>85 100 100 99 81 53 %>85 0 0 0 0 0
%>80 100 100 100 97 79 %>80 0 1 1 1 0
%>75 100 100 100 100 94 %>75 2 7 4 7 4
%>70 100 100 100 100 99 %>70 16 35 20 23 16
DES_MOINES_IA EL_PASO_TX
DSM 0915 0916 0917 0918 0919 ELP 0915 0916 0917 0918 0919
MEAN 74 66 70 68 65 MEAN 81 79 78 76 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 0 %>90 3 2 1 1 0
%>85 3 0 3 3 1 %>85 21 13 7 5 4
%>80 14 1 10 10 5 %>80 61 45 31 24 20
%>75 41 5 26 22 13 %>75 92 82 69 59 51
%>70 73 23 50 41 29 %>70 99 97 93 88 81
FRESNO_CA GOODLAND_KS
FAT 0915 0916 0917 0918 0919 GLD 0915 0916 0917 0918 0919
MEAN 73 74 75 77 76 MEAN 67 67 68 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 1 1 1 %>85 0 0 1 1 0
%>80 1 3 11 19 17 %>80 0 1 5 5 2
%>75 24 37 53 66 64 %>75 3 7 18 14 8
%>70 83 88 91 96 95 %>70 23 29 41 33 24
GREAT_FALLS_MT HOUSTON_TX
GTF 0915 0916 0917 0918 0919 HOU 0915 0916 0917 0918 0919
MEAN 51 51 56 57 61 MEAN 96 94 93 90 89
%>100 0 0 0 0 0 %>100 16 11 10 3 2
%>95 0 0 0 0 0 %>95 55 41 35 16 13
%>90 0 0 0 0 0 %>90 91 82 71 48 45
%>85 0 0 0 0 0 %>85 99 98 94 82 80
%>80 0 0 0 0 0 %>80 100 100 99 97 97
%>75 0 0 0 0 1 %>75 100 100 100 100 100
%>70 0 0 0 2 5 %>70 100 100 100 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0915 0916 0917 0918 0919 MCI 0915 0916 0917 0918 0919
MEAN 91 90 84 84 85 MEAN 84 81 77 72 67
%>100 2 0 0 0 0 %>100 0 0 0 0 0
%>95 18 9 1 1 3 %>95 3 2 1 1 0
%>90 63 50 8 8 18 %>90 16 10 6 4 1
%>85 95 92 39 39 52 %>85 43 27 16 11 3
%>80 100 100 81 81 85 %>80 75 54 36 22 9
%>75 100 100 98 98 98 %>75 93 78 60 38 21
%>70 100 100 100 100 100 %>70 99 93 81 57 38
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0915 0916 0917 0918 0919 LIT 0915 0916 0917 0918 0919
MEAN 82 82 82 82 83 MEAN 92 92 90 85 82
%>100 1 1 1 1 1 %>100 0 0 0 0 1
%>95 4 4 4 4 5 %>95 12 16 8 4 4
%>90 13 13 13 14 16 %>90 78 76 48 19 13
%>85 32 32 32 34 38 %>85 100 99 89 50 33
%>80 60 59 58 61 66 %>80 100 100 99 81 60
%>75 84 83 82 84 88 %>75 100 100 100 96 83
%>70 97 96 96 96 98 %>70 100 100 100 100 95
LOS_ANGELES_CA MIDLAND_TX
LAX 0915 0916 0917 0918 0919 MAF 0915 0916 0917 0918 0919
MEAN 72 71 72 75 77 MEAN 86 85 84 82 78
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 0 1 1 1
%>90 0 0 0 0 1 %>90 15 9 10 8 4
%>85 0 0 0 2 7 %>85 65 48 43 28 15
%>80 1 1 3 12 27 %>80 96 89 82 61 38
%>75 10 7 19 46 66 %>75 100 99 98 87 66
%>70 80 64 71 88 94 %>70 100 100 100 98 87
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0915 0916 0917 0918 0919 MSY 0915 0916 0917 0918 0919
MEAN 64 59 63 61 62 MEAN 94 93 88 87 88
%>100 0 0 0 0 0 %>100 8 7 1 0 1
%>95 0 0 0 0 0 %>95 35 33 8 5 9
%>90 0 0 0 0 0 %>90 78 72 34 27 37
%>85 0 0 0 0 0 %>85 97 95 72 69 75
%>80 0 0 0 0 1 %>80 100 100 94 94 95
%>75 0 0 1 3 4 %>75 100 100 100 100 100
%>70 7 0 9 11 14 %>70 100 100 100 100 100
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0915 0916 0917 0918 0919 OKC 0915 0916 0917 0918 0919
MEAN 63 63 64 63 63 MEAN 90 90 88 82 77
%>100 0 0 0 0 0 %>100 0 0 1 1 1
%>95 0 0 0 0 0 %>95 5 3 7 5 2
%>90 0 0 0 0 0 %>90 58 45 31 16 8
%>85 0 0 0 1 0 %>85 97 94 69 35 18
%>80 0 0 1 3 1 %>80 100 100 93 59 35
%>75 0 1 6 9 6 %>75 100 100 99 80 56
%>70 5 9 20 22 18 %>70 100 100 100 93 76
OMAHA_NE PENDLETON_OR
OMA 0915 0916 0917 0918 0919 PDT 0915 0916 0917 0918 0919
MEAN 71 66 70 67 65 MEAN 55 58 61 64 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 1 0 %>90 0 0 0 0 0
%>85 1 0 2 3 1 %>85 0 0 0 0 0
%>80 6 1 9 9 4 %>80 0 0 0 0 0
%>75 25 5 25 21 12 %>75 0 0 0 1 1
%>70 59 23 49 39 28 %>70 0 0 2 9 12
PHOENIX_AZ PORTLAND_OR
PHX 0915 0916 0917 0918 0919 PDX 0915 0916 0917 0918 0919
MEAN 93 92 92 93 93 MEAN 61 66 70 70 66
%>100 6 5 7 13 11 %>100 0 0 0 0 0
%>95 31 25 28 39 38 %>95 0 0 0 0 0
%>90 70 62 62 72 73 %>90 0 0 0 0 0
%>85 94 90 88 93 94 %>85 0 0 0 0 0
%>80 99 99 98 99 99 %>80 0 0 1 1 0
%>75 100 100 100 100 100 %>75 0 2 11 13 5
%>70 100 100 100 100 100 %>70 1 20 48 50 24
RAPID_CITY_SD SACRAMENTO_CA
RAP 0915 0916 0917 0918 0919 SAC 0915 0916 0917 0918 0919
MEAN 56 62 59 61 62 MEAN 71 71 72 73 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 0 0 1 1 %>80 1 1 1 1 1
%>75 0 1 2 4 4 %>75 13 12 21 24 14
%>70 0 6 9 14 14 %>70 62 60 73 79 61
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0915 0916 0917 0918 0919 SLC 0915 0916 0917 0918 0919
MEAN 89 89 86 79 75 MEAN 64 68 66 66 67
%>100 1 3 2 1 0 %>100 0 0 0 0 0
%>95 11 15 10 4 2 %>95 0 0 0 0 0
%>90 43 43 29 12 5 %>90 0 0 0 0 0
%>85 82 76 57 26 14 %>85 0 0 0 0 0
%>80 98 94 82 47 28 %>80 0 2 2 1 1
%>75 100 99 95 69 48 %>75 2 10 10 7 9
%>70 100 100 99 86 68 %>70 12 34 28 25 32
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0915 0916 0917 0918 0919 SAN 0915 0916 0917 0918 0919
MEAN 92 91 91 88 86 MEAN 71 71 72 75 76
%>100 4 2 4 1 0 %>100 0 0 0 0 0
%>95 24 18 21 10 4 %>95 0 0 0 0 0
%>90 66 59 55 37 23 %>90 0 0 0 0 2
%>85 93 91 86 73 60 %>85 0 0 0 3 8
%>80 100 99 98 94 89 %>80 1 0 4 13 22
%>75 100 100 100 99 99 %>75 9 7 21 40 54
%>70 100 100 100 100 100 %>70 70 58 75 87 92
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0915 0916 0917 0918 0919 SEA 0915 0916 0917 0918 0919
MEAN 63 63 64 64 63 MEAN 60 62 64 65 64
%>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 0 0 1 1
%>70 1 1 3 2 1 %>70 0 1 5 12 7
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0915 0916 0917 0918 0919 FSD 0915 0916 0917 0918 0919
MEAN 91 92 90 86 85 MEAN 61 59 63 62 63
%>100 1 1 1 1 0 %>100 0 0 0 0 0
%>95 15 17 10 5 4 %>95 0 0 0 0 0
%>90 67 66 48 25 18 %>90 0 0 0 0 0
%>85 97 96 88 60 48 %>85 0 0 0 0 0
%>80 100 100 99 89 79 %>80 0 0 0 2 1
%>75 100 100 100 98 95 %>75 0 0 3 6 5
%>70 100 100 100 100 99 %>70 2 1 14 18 16
SPRINGFIELD_MO TUCSON_AZ
SGF 0915 0916 0917 0918 0919 TUS 0915 0916 0917 0918 0919
MEAN 89 89 86 80 74 MEAN 83 82 82 84 84
%>100 0 0 1 0 0 %>100 0 0 0 0 0
%>95 6 6 5 2 1 %>95 1 1 1 2 3
%>90 44 38 22 8 3 %>90 8 7 7 12 15
%>85 90 82 56 24 11 %>85 30 27 28 39 43
%>80 100 99 86 48 25 %>80 68 63 67 77 78
%>75 100 100 98 73 46 %>75 94 91 94 97 96
%>70 100 100 100 90 68 %>70 100 99 100 100 100
TULSA_OK WICHITA_KS
TUL 0915 0916 0917 0918 0919 ICT 0915 0916 0917 0918 0919
MEAN 93 91 89 83 77 MEAN 89 86 82 76 70
%>100 0 0 2 2 1 %>100 2 0 1 1 0
%>95 22 13 13 7 2 %>95 14 4 4 3 1
%>90 87 66 42 21 8 %>90 46 21 15 9 2
%>85 100 97 77 42 19 %>85 81 54 35 19 7
%>80 100 100 95 67 38 %>80 97 84 61 34 17
%>75 100 100 100 85 60 %>75 100 97 83 53 32
%>70 100 100 100 95 79 %>70 100 100 95 71 51
YUMA_AZ
YUM 0915 0916 0917 0918 0919
MEAN 93 91 92 93 94
%>100 7 3 5 12 14
%>95 34 19 26 37 41
%>90 75 57 63 71 74
%>85 96 90 91 92 93
%>80 100 99 99 99 99
%>75 100 100 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
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