Heat Index Forecast Tables
Issued by NWS
Issued by NWS
439
FMUS24 KWNH 190744
PRBWHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0742 UTC WED AUG 19 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM WED AUG 19 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0822 0823 0824 0825 0826 ABQ 0822 0823 0824 0825 0826
MIN 79 79 79 78 78 MIN 65 66 65 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 2 4 4 3 2 %>85 0 0 0 0 0
%>80 36 41 40 31 27 %>80 0 0 1 1 0
%>75 85 86 86 79 76 %>75 2 4 5 5 4
%>70 98 98 98 97 97 %>70 17 22 22 22 20
AMARILLO_TX AUSTIN_TX
AMA 0822 0823 0824 0825 0826 AUS 0822 0823 0824 0825 0826
MIN 72 74 74 73 72 MIN 83 82 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 4 1 0 0 0
%>85 0 1 0 0 0 %>85 31 18 3 3 2
%>80 2 8 7 4 3 %>80 76 67 41 39 38
%>75 24 39 42 32 26 %>75 98 97 93 91 93
%>70 72 80 86 80 72 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0822 0823 0824 0825 0826 BIS 0822 0823 0824 0825 0826
MIN 80 78 79 79 78 MIN 54 58 61 57 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 3 1 2 2 2 %>90 0 0 0 0 0
%>85 17 8 13 12 11 %>85 0 0 0 0 0
%>80 50 34 41 41 39 %>80 0 0 0 0 0
%>75 82 72 75 76 74 %>75 0 0 0 0 1
%>70 97 94 95 95 94 %>70 0 2 3 2 4
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0822 0823 0824 0825 0826 CRP 0822 0823 0824 0825 0826
MIN 86 84 85 85 86 MIN 82 81 82 83 83
%>100 0 0 0 0 0 %>100 1 0 1 0 1
%>95 0 0 0 0 0 %>95 3 2 3 3 3
%>90 10 2 5 7 9 %>90 8 6 9 10 10
%>85 61 35 48 56 62 %>85 20 17 26 31 32
%>80 96 90 92 95 97 %>80 57 51 62 70 72
%>75 100 100 100 100 100 %>75 93 90 91 94 95
%>70 100 100 100 100 100 %>70 100 99 99 99 100
DALLAS_TX DENVER_CO
DFW 0822 0823 0824 0825 0826 DEN 0822 0823 0824 0825 0826
MIN 84 84 84 85 84 MIN 65 64 62 60 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 4 4 5 5 5 %>90 0 0 0 0 0
%>85 38 38 43 45 38 %>85 0 0 0 0 0
%>80 88 88 90 92 85 %>80 0 0 0 0 0
%>75 99 99 100 100 99 %>75 1 0 0 0 0
%>70 100 100 100 100 100 %>70 9 7 4 2 2
DES_MOINES_IA EL_PASO_TX
DSM 0822 0823 0824 0825 0826 ELP 0822 0823 0824 0825 0826
MIN 67 63 63 66 67 MIN 74 74 73 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 0 0 %>85 1 1 1 1 1
%>80 0 0 0 0 2 %>80 8 9 7 9 9
%>75 0 1 1 3 10 %>75 42 41 34 35 36
%>70 13 7 9 20 33 %>70 84 81 73 72 72
FRESNO_CA GOODLAND_KS
FAT 0822 0823 0824 0825 0826 GLD 0822 0823 0824 0825 0826
MIN 68 67 67 66 65 MIN 65 65 64 64 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 1 0 0 0 0 %>80 0 1 1 0 0
%>75 6 3 4 2 3 %>75 4 6 4 3 3
%>70 40 29 27 20 17 %>70 20 23 18 15 13
GREAT_FALLS_MT HOUSTON_TX
GTF 0822 0823 0824 0825 0826 HOU 0822 0823 0824 0825 0826
MIN 57 57 51 53 54 MIN 86 83 82 83 82
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 4 1 0 1 0
%>90 0 0 0 0 0 %>90 19 8 4 7 4
%>85 0 0 0 0 0 %>85 50 35 28 34 30
%>80 0 0 0 0 0 %>80 88 76 68 73 70
%>75 0 0 0 0 0 %>75 98 96 93 95 92
%>70 3 1 0 1 2 %>70 100 100 99 99 99
JACKSON_MS KANSAS_CITY_MO
JAN 0822 0823 0824 0825 0826 MCI 0822 0823 0824 0825 0826
MIN 76 74 76 77 77 MIN 71 69 69 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 0 0 0 1 1 %>90 0 0 0 0 0
%>85 4 0 3 7 7 %>85 0 0 1 0 0
%>80 21 8 21 28 28 %>80 0 2 4 4 5
%>75 57 45 59 62 64 %>75 7 12 18 20 26
%>70 88 87 89 89 90 %>70 59 41 45 53 62
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0822 0823 0824 0825 0826 LIT 0822 0823 0824 0825 0826
MIN 81 81 80 78 78 MIN 75 75 76 77 76
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 1 1 1 1 1 %>95 0 0 0 0 0
%>90 7 7 5 4 5 %>90 0 0 0 1 1
%>85 25 25 20 16 17 %>85 0 1 4 9 8
%>80 56 54 47 39 40 %>80 9 13 22 31 28
%>75 84 81 76 67 67 %>75 48 52 57 63 60
%>70 96 95 93 87 86 %>70 90 89 87 88 86
LOS_ANGELES_CA MIDLAND_TX
LAX 0822 0823 0824 0825 0826 MAF 0822 0823 0824 0825 0826
MIN 70 70 69 69 70 MIN 75 75 75 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 0 1 1 2 %>80 4 9 9 7 5
%>75 6 8 10 12 15 %>75 50 51 47 43 43
%>70 45 46 44 44 47 %>70 95 92 88 87 89
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0822 0823 0824 0825 0826 MSY 0822 0823 0824 0825 0826
MIN 63 59 60 65 65 MIN 87 85 86 86 85
%>100 0 0 0 0 0 %>100 2 2 2 2 1
%>95 0 0 0 0 0 %>95 9 7 8 8 6
%>90 0 0 0 0 0 %>90 29 24 26 25 21
%>85 0 0 0 0 0 %>85 61 52 54 55 47
%>80 0 0 0 0 0 %>80 85 78 80 81 76
%>75 0 0 0 1 4 %>75 96 93 94 94 93
%>70 1 0 3 11 18 %>70 99 99 99 99 98
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0822 0823 0824 0825 0826 OKC 0822 0823 0824 0825 0826
MIN 65 64 64 64 63 MIN 77 78 80 79 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 1 1 2 1 1
%>85 0 0 0 0 0 %>85 6 9 16 12 10
%>80 0 0 0 0 0 %>80 29 38 49 45 36
%>75 1 2 2 1 2 %>75 66 74 81 80 71
%>70 11 13 13 12 12 %>70 91 94 96 96 92
OMAHA_NE PENDLETON_OR
OMA 0822 0823 0824 0825 0826 PDT 0822 0823 0824 0825 0826
MIN 68 65 65 68 69 MIN 62 52 52 57 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 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 2 %>80 1 0 0 0 0
%>75 1 3 3 4 13 %>75 5 0 0 1 1
%>70 26 18 19 29 40 %>70 16 1 1 4 3
PHOENIX_AZ PORTLAND_OR
PHX 0822 0823 0824 0825 0826 PDX 0822 0823 0824 0825 0826
MIN 88 88 87 86 86 MIN 58 56 56 57 55
%>100 1 1 1 1 1 %>100 0 0 0 0 0
%>95 7 8 7 6 6 %>95 0 0 0 0 0
%>90 32 33 28 24 24 %>90 0 0 0 0 0
%>85 71 69 61 58 57 %>85 0 0 0 0 0
%>80 94 93 88 87 85 %>80 0 0 0 0 0
%>75 100 99 98 98 97 %>75 0 0 0 0 0
%>70 100 100 100 100 100 %>70 0 0 0 0 0
RAPID_CITY_SD SACRAMENTO_CA
RAP 0822 0823 0824 0825 0826 SAC 0822 0823 0824 0825 0826
MIN 61 64 63 62 61 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 0 0 %>80 0 0 0 0 0
%>75 0 3 2 1 1 %>75 0 0 0 0 0
%>70 3 15 12 5 8 %>70 0 1 0 0 0
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0822 0823 0824 0825 0826 SLC 0822 0823 0824 0825 0826
MIN 70 68 67 69 71 MIN 69 65 63 63 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 1 4 4 %>80 0 0 0 0 0
%>75 3 3 5 16 21 %>75 7 1 1 1 1
%>70 46 31 26 43 54 %>70 44 13 7 8 8
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0822 0823 0824 0825 0826 SAN 0822 0823 0824 0825 0826
MIN 81 79 78 78 78 MIN 71 71 71 71 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 3 0 0 0 0 %>90 0 0 0 0 0
%>85 21 6 3 3 2 %>85 0 0 0 0 0
%>80 60 40 29 31 30 %>80 0 0 0 0 1
%>75 93 86 80 82 85 %>75 4 6 8 7 10
%>70 100 99 99 99 100 %>70 63 63 63 60 60
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0822 0823 0824 0825 0826 SEA 0822 0823 0824 0825 0826
MIN 57 57 57 57 56 MIN 58 56 55 56 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 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 0822 0823 0824 0825 0826 FSD 0822 0823 0824 0825 0826
MIN 79 79 82 81 80 MIN 62 59 62 64 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 3 2 3 %>90 0 0 0 0 0
%>85 8 6 23 18 16 %>85 0 0 0 0 0
%>80 41 39 66 61 47 %>80 0 0 0 0 1
%>75 82 83 94 91 80 %>75 0 0 0 1 5
%>70 98 99 99 99 96 %>70 0 1 5 10 18
SPRINGFIELD_MO TUCSON_AZ
SGF 0822 0823 0824 0825 0826 TUS 0822 0823 0824 0825 0826
MIN 70 71 72 73 73 MIN 77 78 76 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 1 1 0 1 1
%>85 0 0 2 1 3 %>85 8 10 5 7 9
%>80 0 2 10 8 13 %>80 32 36 25 28 33
%>75 8 18 30 33 36 %>75 68 70 61 63 66
%>70 56 59 60 69 66 %>70 91 92 88 89 90
TULSA_OK WICHITA_KS
TUL 0822 0823 0824 0825 0826 ICT 0822 0823 0824 0825 0826
MIN 77 78 79 80 79 MIN 73 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 3 2 3 %>90 0 0 1 0 0
%>85 1 5 15 15 14 %>85 0 2 5 3 2
%>80 18 31 43 50 40 %>80 3 13 18 15 13
%>75 67 76 75 85 72 %>75 32 42 43 44 43
%>70 96 97 94 98 92 %>70 81 77 70 76 78
YUMA_AZ
YUM 0822 0823 0824 0825 0826
MIN 89 89 90 88 87
%>100 0 0 2 0 0
%>95 4 5 14 4 3
%>90 35 36 50 33 24
%>85 83 84 86 79 68
%>80 99 99 98 98 95
%>75 100 100 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
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