Heat Index Forecast Tables
Issued by NWS
Issued by NWS
560
FMUS24 KWNH 160747
PRBWHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0745 UTC SUN AUG 16 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM SUN AUG 16 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0819 0820 0821 0822 0823 ABQ 0819 0820 0821 0822 0823
MIN 78 78 78 77 77 MIN 65 66 66 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 2 1 2 2 3 %>85 0 0 0 0 0
%>80 30 23 27 22 23 %>80 0 0 0 0 0
%>75 80 79 78 67 65 %>75 4 5 3 3 4
%>70 97 98 97 93 92 %>70 20 24 20 17 18
AMARILLO_TX AUSTIN_TX
AMA 0819 0820 0821 0822 0823 AUS 0819 0820 0821 0822 0823
MIN 72 71 70 70 71 MIN 79 78 79 79 79
%>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 1 0 1 3 6
%>80 5 1 2 3 5 %>80 35 26 32 36 38
%>75 26 15 14 17 23 %>75 96 92 92 89 84
%>70 63 58 48 51 56 %>70 100 100 100 99 99
BATON_ROUGE_LA BISMARCK_ND
BTR 0819 0820 0821 0822 0823 BIS 0819 0820 0821 0822 0823
MIN 81 78 78 78 77 MIN 51 58 58 56 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 3 2 1 2 1 %>90 0 0 0 0 0
%>85 20 13 9 12 9 %>85 0 0 0 0 0
%>80 56 39 38 37 32 %>80 0 0 0 0 0
%>75 87 73 76 71 65 %>75 0 0 0 1 2
%>70 98 93 96 92 90 %>70 0 1 1 4 9
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0819 0820 0821 0822 0823 CRP 0819 0820 0821 0822 0823
MIN 84 88 87 85 85 MIN 81 83 83 81 82
%>100 0 0 0 0 0 %>100 0 1 0 0 0
%>95 0 1 2 0 0 %>95 2 4 4 2 2
%>90 6 23 24 10 8 %>90 7 14 14 8 8
%>85 45 82 75 51 47 %>85 19 39 36 25 25
%>80 88 99 97 89 89 %>80 53 71 66 57 63
%>75 99 100 100 99 99 %>75 87 91 87 87 92
%>70 100 100 100 100 100 %>70 99 99 97 98 99
DALLAS_TX DENVER_CO
DFW 0819 0820 0821 0822 0823 DEN 0819 0820 0821 0822 0823
MIN 84 84 83 82 81 MIN 60 59 61 62 62
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 1 %>95 0 0 0 0 0
%>90 5 2 5 5 7 %>90 0 0 0 0 0
%>85 41 36 34 27 28 %>85 0 0 0 0 0
%>80 88 91 78 65 60 %>80 0 0 0 0 0
%>75 99 100 96 91 86 %>75 0 0 0 0 0
%>70 100 100 100 99 97 %>70 1 0 1 4 5
DES_MOINES_IA EL_PASO_TX
DSM 0819 0820 0821 0822 0823 ELP 0819 0820 0821 0822 0823
MIN 66 62 63 65 64 MIN 72 74 74 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 0 %>90 0 0 0 0 0
%>85 0 0 0 0 0 %>85 1 3 2 1 1
%>80 0 0 0 0 0 %>80 8 15 14 10 9
%>75 0 0 0 0 2 %>75 30 41 45 42 41
%>70 11 4 6 9 12 %>70 62 71 79 81 80
FRESNO_CA GOODLAND_KS
FAT 0819 0820 0821 0822 0823 GLD 0819 0820 0821 0822 0823
MIN 66 67 66 65 65 MIN 63 60 61 62 63
%>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 1 2
%>75 1 3 5 3 3 %>75 1 1 2 4 7
%>70 20 27 26 18 17 %>70 8 5 10 15 20
GREAT_FALLS_MT HOUSTON_TX
GTF 0819 0820 0821 0822 0823 HOU 0819 0820 0821 0822 0823
MIN 50 51 53 55 53 MIN 82 81 82 83 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 0 0 0 1 1
%>90 0 0 0 0 0 %>90 3 2 5 6 7
%>85 0 0 0 0 0 %>85 20 19 29 33 30
%>80 0 0 0 0 0 %>80 63 59 67 72 65
%>75 0 0 0 0 0 %>75 95 91 91 94 90
%>70 0 0 1 2 1 %>70 100 99 99 99 99
JACKSON_MS KANSAS_CITY_MO
JAN 0819 0820 0821 0822 0823 MCI 0819 0820 0821 0822 0823
MIN 78 78 77 75 73 MIN 72 68 67 68 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 2 1 0 1 0 %>90 0 0 0 0 0
%>85 12 9 4 6 2 %>85 0 0 0 0 0
%>80 38 35 24 22 13 %>80 2 0 0 1 1
%>75 71 72 62 51 39 %>75 20 5 5 7 10
%>70 92 94 91 79 72 %>70 68 31 26 34 35
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0819 0820 0821 0822 0823 LIT 0819 0820 0821 0822 0823
MIN 81 82 82 81 80 MIN 78 79 76 74 73
%>100 0 1 0 0 0 %>100 0 0 0 0 0
%>95 2 3 2 1 2 %>95 0 0 0 0 0
%>90 8 11 10 8 9 %>90 2 1 1 1 1
%>85 26 31 31 26 26 %>85 12 10 7 5 5
%>80 55 59 62 56 52 %>80 37 40 24 18 17
%>75 81 83 86 82 77 %>75 70 77 53 43 39
%>70 95 96 97 95 92 %>70 91 96 80 72 66
LOS_ANGELES_CA MIDLAND_TX
LAX 0819 0820 0821 0822 0823 MAF 0819 0820 0821 0822 0823
MIN 69 69 69 69 68 MIN 74 74 74 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 0 %>90 0 0 0 0 0
%>85 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 1 1 1 2 %>80 4 3 4 5 5
%>75 5 9 10 11 12 %>75 37 37 43 39 38
%>70 36 44 43 41 39 %>70 87 89 92 85 84
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0819 0820 0821 0822 0823 MSY 0819 0820 0821 0822 0823
MIN 58 59 64 63 63 MIN 87 85 85 84 83
%>100 0 0 0 0 0 %>100 2 1 1 1 1
%>95 0 0 0 0 0 %>95 9 6 5 5 4
%>90 0 0 0 0 0 %>90 31 21 21 18 15
%>85 0 0 0 0 0 %>85 64 49 50 45 38
%>80 0 0 0 0 0 %>80 88 76 79 73 66
%>75 0 0 0 0 2 %>75 97 92 94 91 87
%>70 0 0 3 3 11 %>70 100 98 99 98 97
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0819 0820 0821 0822 0823 OKC 0819 0820 0821 0822 0823
MIN 61 59 60 62 63 MIN 79 78 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 0 0 %>90 1 1 1 1 2
%>85 0 0 0 0 0 %>85 13 9 7 6 8
%>80 0 0 0 0 1 %>80 48 33 23 21 24
%>75 0 0 0 2 6 %>75 81 68 51 48 51
%>70 3 2 4 9 17 %>70 95 92 78 76 77
OMAHA_NE PENDLETON_OR
OMA 0819 0820 0821 0822 0823 PDT 0819 0820 0821 0822 0823
MIN 66 63 64 65 65 MIN 56 56 58 57 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 0 0 0 0 1 %>80 0 0 1 0 0
%>75 0 0 1 1 5 %>75 0 1 2 1 0
%>70 13 7 9 12 21 %>70 2 3 8 5 1
PHOENIX_AZ PORTLAND_OR
PHX 0819 0820 0821 0822 0823 PDX 0819 0820 0821 0822 0823
MIN 88 89 88 87 87 MIN 55 57 58 57 56
%>100 2 3 1 1 1 %>100 0 0 0 0 0
%>95 13 16 9 7 7 %>95 0 0 0 0 0
%>90 39 45 36 29 30 %>90 0 0 0 0 0
%>85 73 78 73 65 66 %>85 0 0 0 0 0
%>80 93 95 95 91 91 %>80 0 0 0 0 0
%>75 99 100 100 99 99 %>75 0 0 0 0 0
%>70 100 100 100 100 100 %>70 0 0 0 0 0
RAPID_CITY_SD SACRAMENTO_CA
RAP 0819 0820 0821 0822 0823 SAC 0819 0820 0821 0822 0823
MIN 56 57 59 61 63 MIN 59 59 59 58 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 1 1 %>80 0 0 0 0 0
%>75 0 0 1 3 5 %>75 0 0 0 0 0
%>70 1 2 5 11 17 %>70 0 1 1 0 0
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0819 0820 0821 0822 0823 SLC 0819 0820 0821 0822 0823
MIN 74 70 67 68 68 MIN 66 67 68 68 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 3 2 1 1 1 %>80 0 0 0 1 0
%>75 36 15 6 6 6 %>75 1 2 4 8 3
%>70 87 48 26 31 31 %>70 15 25 36 36 18
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0819 0820 0821 0822 0823 SAN 0819 0820 0821 0822 0823
MIN 78 78 78 78 78 MIN 69 70 70 70 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 2 1 1 5 6 %>85 0 0 0 0 0
%>80 28 28 27 33 34 %>80 0 0 0 0 1
%>75 84 85 86 79 78 %>75 4 7 6 8 9
%>70 100 100 100 98 97 %>70 45 51 50 48 48
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0819 0820 0821 0822 0823 SEA 0819 0820 0821 0822 0823
MIN 57 57 57 57 57 MIN 56 56 57 57 56
%>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 0819 0820 0821 0822 0823 FSD 0819 0820 0821 0822 0823
MIN 83 80 79 78 76 MIN 57 57 60 60 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 3 2 1 3 2 %>90 0 0 0 0 0
%>85 27 16 11 13 9 %>85 0 0 0 0 0
%>80 75 54 41 36 28 %>80 0 0 0 0 0
%>75 97 87 77 67 58 %>75 0 0 0 0 2
%>70 100 98 96 89 84 %>70 0 1 2 2 9
SPRINGFIELD_MO TUCSON_AZ
SGF 0819 0820 0821 0822 0823 TUS 0819 0820 0821 0822 0823
MIN 75 73 70 69 69 MIN 79 79 78 77 78
%>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 2 2 1 1 1
%>85 2 1 1 0 1 %>85 12 12 9 8 9
%>80 15 7 6 4 4 %>80 39 40 35 31 33
%>75 50 32 21 17 17 %>75 74 76 70 67 68
%>70 84 70 48 45 44 %>70 94 95 93 91 91
TULSA_OK WICHITA_KS
TUL 0819 0820 0821 0822 0823 ICT 0819 0820 0821 0822 0823
MIN 82 78 76 75 75 MIN 74 71 70 70 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 1 1 2 1 2 %>90 0 0 0 0 0
%>85 16 10 10 7 8 %>85 1 0 1 1 2
%>80 71 36 28 22 25 %>80 8 4 5 6 10
%>75 96 72 54 50 53 %>75 40 23 20 23 30
%>70 100 93 79 77 79 %>70 81 58 49 53 60
YUMA_AZ
YUM 0819 0820 0821 0822 0823
MIN 90 90 88 87 87
%>100 3 1 0 0 0
%>95 18 10 3 3 4
%>90 52 50 31 23 27
%>85 86 90 81 66 69
%>80 98 99 99 94 94
%>75 100 100 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
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