Heat Index Forecast Tables
Issued by NWS
Issued by NWS
991
FMUS24 KWNH 171819
PRBWHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1818 UTC THU SEP 17 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM THU SEP 17 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0920 0921 0922 0923 0924 ABQ 0920 0921 0922 0923 0924
MIN 75 72 71 70 72 MIN 53 53 55 53 54
%>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 6 1 1 1 3 %>80 0 0 0 0 0
%>75 48 21 15 15 25 %>75 0 0 0 0 0
%>70 89 74 59 55 67 %>70 0 0 0 0 0
AMARILLO_TX AUSTIN_TX
AMA 0920 0921 0922 0923 0924 AUS 0920 0921 0922 0923 0924
MIN 67 62 60 60 62 MIN 76 77 77 77 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 0 0 0 0 0
%>85 0 0 0 0 0 %>85 0 0 0 0 1
%>80 0 0 0 0 0 %>80 5 15 15 15 16
%>75 2 0 0 0 0 %>75 60 79 69 69 71
%>70 20 2 2 2 3 %>70 98 99 98 98 98
BATON_ROUGE_LA BISMARCK_ND
BTR 0920 0921 0922 0923 0924 BIS 0920 0921 0922 0923 0924
MIN 75 76 76 76 74 MIN 53 51 50 53 53
%>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 0 0 0
%>80 5 11 12 12 11 %>80 0 0 0 0 0
%>75 46 58 56 56 45 %>75 0 0 0 0 0
%>70 92 94 92 93 82 %>70 0 0 0 0 0
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0920 0921 0922 0923 0924 CRP 0920 0921 0922 0923 0924
MIN 82 84 84 84 84 MIN 81 83 82 83 84
%>100 0 0 0 0 0 %>100 0 1 0 1 2
%>95 0 0 0 0 0 %>95 2 3 3 4 6
%>90 3 3 2 4 5 %>90 7 11 9 11 16
%>85 26 38 32 38 42 %>85 22 34 27 32 42
%>80 75 90 88 90 90 %>80 56 72 67 69 78
%>75 97 99 99 100 100 %>75 87 94 94 93 96
%>70 100 100 100 100 100 %>70 99 99 99 99 100
DALLAS_TX DENVER_CO
DFW 0920 0921 0922 0923 0924 DEN 0920 0921 0922 0923 0924
MIN 78 79 77 76 77 MIN 51 49 52 51 53
%>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 1 0 0 1 %>90 0 0 0 0 0
%>85 4 9 5 5 7 %>85 0 0 0 0 0
%>80 32 42 27 23 29 %>80 0 0 0 0 0
%>75 80 82 65 59 65 %>75 0 0 0 0 0
%>70 98 98 92 88 90 %>70 0 0 0 0 0
DES_MOINES_IA EL_PASO_TX
DSM 0920 0921 0922 0923 0924 ELP 0920 0921 0922 0923 0924
MIN 65 59 56 52 57 MIN 66 65 69 65 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 1 0 0
%>75 0 0 0 0 1 %>75 3 3 9 1 1
%>70 8 0 0 0 4 %>70 21 18 39 12 11
FRESNO_CA GOODLAND_KS
FAT 0920 0921 0922 0923 0924 GLD 0920 0921 0922 0923 0924
MIN 62 61 60 62 63 MIN 58 53 54 55 58
%>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 0
%>70 1 0 0 1 7 %>70 0 0 0 1 1
GREAT_FALLS_MT HOUSTON_TX
GTF 0920 0921 0922 0923 0924 HOU 0920 0921 0922 0923 0924
MIN 47 47 48 47 47 MIN 79 81 80 81 81
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 0 0 0 0 1
%>90 0 0 0 0 0 %>90 1 2 2 5 5
%>85 0 0 0 0 0 %>85 6 16 14 24 25
%>80 0 0 0 0 0 %>80 37 54 51 60 61
%>75 0 0 0 0 0 %>75 86 91 91 90 89
%>70 0 0 0 0 0 %>70 99 100 100 99 99
JACKSON_MS KANSAS_CITY_MO
JAN 0920 0921 0922 0923 0924 MCI 0920 0921 0922 0923 0924
MIN 75 75 74 73 71 MIN 70 65 59 55 60
%>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 0 0
%>80 6 5 7 4 5 %>80 0 0 0 0 0
%>75 48 45 44 33 23 %>75 8 0 0 0 1
%>70 93 91 88 79 56 %>70 47 8 1 1 6
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0920 0921 0922 0923 0924 LIT 0920 0921 0922 0923 0924
MIN 69 71 68 68 70 MIN 73 75 72 68 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 1 0 1 1 %>90 0 0 0 0 0
%>85 4 5 2 2 5 %>85 0 1 0 0 1
%>80 10 14 6 8 13 %>80 2 10 4 3 4
%>75 23 30 17 21 28 %>75 32 48 27 14 15
%>70 43 53 36 41 50 %>70 84 87 68 39 36
LOS_ANGELES_CA MIDLAND_TX
LAX 0920 0921 0922 0923 0924 MAF 0920 0921 0922 0923 0924
MIN 67 66 65 66 67 MIN 72 71 70 69 70
%>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 1 1 1 0 1
%>75 0 0 0 0 1 %>75 17 15 11 5 12
%>70 12 2 0 8 20 %>70 74 64 51 36 53
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0920 0921 0922 0923 0924 MSY 0920 0921 0922 0923 0924
MIN 56 52 48 48 54 MIN 80 81 81 81 80
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 0 1 1 1 0
%>90 0 0 0 0 0 %>90 2 4 4 4 4
%>85 0 0 0 0 0 %>85 11 19 20 20 18
%>80 0 0 0 0 0 %>80 44 54 53 54 50
%>75 0 0 0 0 0 %>75 88 89 86 87 82
%>70 0 0 0 0 0 %>70 99 99 98 98 96
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0920 0921 0922 0923 0924 OKC 0920 0921 0922 0923 0924
MIN 57 53 52 54 57 MIN 75 69 65 64 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 0 0 %>85 1 0 0 0 0
%>80 0 0 0 0 0 %>80 10 1 0 1 2
%>75 0 0 0 0 0 %>75 49 8 3 4 12
%>70 0 0 0 0 1 %>70 86 39 18 17 37
OMAHA_NE PENDLETON_OR
OMA 0920 0921 0922 0923 0924 PDT 0920 0921 0922 0923 0924
MIN 65 60 56 54 60 MIN 50 52 51 47 47
%>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 0
%>70 3 0 0 1 4 %>70 0 0 0 0 0
PHOENIX_AZ PORTLAND_OR
PHX 0920 0921 0922 0923 0924 PDX 0920 0921 0922 0923 0924
MIN 74 76 76 77 80 MIN 53 53 54 50 51
%>100 0 0 0 0 1 %>100 0 0 0 0 0
%>95 0 0 0 1 3 %>95 0 0 0 0 0
%>90 1 2 1 4 10 %>90 0 0 0 0 0
%>85 6 10 6 14 26 %>85 0 0 0 0 0
%>80 19 29 25 35 50 %>80 0 0 0 0 0
%>75 43 58 57 64 74 %>75 0 0 0 0 0
%>70 70 83 86 86 91 %>70 0 0 0 0 0
RAPID_CITY_SD SACRAMENTO_CA
RAP 0920 0921 0922 0923 0924 SAC 0920 0921 0922 0923 0924
MIN 52 50 51 53 51 MIN 58 56 56 57 58
%>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 0 0
%>70 0 0 0 0 0 %>70 0 0 0 0 3
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0920 0921 0922 0923 0924 SLC 0920 0921 0922 0923 0924
MIN 75 70 63 59 61 MIN 48 49 53 52 53
%>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 1 1 0 0 0 %>80 0 0 0 0 0
%>75 43 12 1 0 2 %>75 0 0 0 0 0
%>70 96 55 7 3 8 %>70 0 0 0 0 0
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0920 0921 0922 0923 0924 SAN 0920 0921 0922 0923 0924
MIN 76 77 76 76 76 MIN 66 66 65 66 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 0 0 0 0 0 %>90 0 0 0 0 0
%>85 0 1 1 1 1 %>85 0 0 0 0 0
%>80 9 19 14 13 16 %>80 0 0 0 0 0
%>75 57 69 62 63 65 %>75 0 0 0 0 0
%>70 96 97 96 96 96 %>70 11 5 3 13 23
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0920 0921 0922 0923 0924 SEA 0920 0921 0922 0923 0924
MIN 58 58 57 58 58 MIN 52 51 53 50 50
%>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 0 0
%>70 0 0 0 0 0 %>70 0 0 0 0 0
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0920 0921 0922 0923 0924 FSD 0920 0921 0922 0923 0924
MIN 75 76 75 75 73 MIN 57 53 50 50 55
%>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 0 0
%>80 1 10 8 13 12 %>80 0 0 0 0 0
%>75 45 71 56 49 37 %>75 0 0 0 0 0
%>70 97 99 95 87 69 %>70 0 0 0 0 1
SPRINGFIELD_MO TUCSON_AZ
SGF 0920 0921 0922 0923 0924 TUS 0920 0921 0922 0923 0924
MIN 72 69 63 59 61 MIN 67 69 68 69 70
%>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 1 0 0 0 1 %>80 0 0 0 1 3
%>75 19 8 1 1 4 %>75 3 6 4 10 16
%>70 76 44 9 6 13 %>70 24 37 31 40 48
TULSA_OK WICHITA_KS
TUL 0920 0921 0922 0923 0924 ICT 0920 0921 0922 0923 0924
MIN 75 70 66 64 67 MIN 70 64 59 58 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 5 1 0 1 2 %>80 2 0 0 0 0
%>75 47 14 4 4 11 %>75 16 1 0 0 3
%>70 92 51 20 17 33 %>70 54 9 2 2 15
YUMA_AZ
YUM 0920 0921 0922 0923 0924
MIN 73 76 71 74 77
%>100 0 0 0 0 0
%>95 0 0 0 0 0
%>90 0 0 0 0 2
%>85 1 3 0 2 10
%>80 10 20 3 14 31
%>75 35 56 22 44 62
%>70 69 88 61 78 86
URL IS WWW.WPC.NCEP.NOAA.GOV
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