Heat Index Forecast Tables
Issued by NWS
Issued by NWS
871
FMUS24 KWNH 220743
PRBWHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0741 UTC SAT AUG 22 2026
MINIMUM HEAT INDEX (DEG F) AND MINIMUM HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM SAT AUG 22 2026
ABILENE_TX ALBUQUERQUE_NM
ABI 0825 0826 0827 0828 0829 ABQ 0825 0826 0827 0828 0829
MIN 79 79 78 77 78 MIN 66 66 65 65 66
%>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 3 3 5 %>85 0 0 0 0 0
%>80 41 43 32 26 32 %>80 0 0 0 0 1
%>75 90 87 79 69 74 %>75 4 3 3 4 5
%>70 99 98 97 94 95 %>70 22 19 18 20 23
AMARILLO_TX AUSTIN_TX
AMA 0825 0826 0827 0828 0829 AUS 0825 0826 0827 0828 0829
MIN 73 70 69 70 72 MIN 79 79 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 0 %>85 1 2 3 4 5
%>80 3 2 1 2 5 %>80 31 39 41 38 37
%>75 26 14 11 15 27 %>75 95 93 92 87 83
%>70 75 52 45 52 66 %>70 100 100 100 99 98
BATON_ROUGE_LA BISMARCK_ND
BTR 0825 0826 0827 0828 0829 BIS 0825 0826 0827 0828 0829
MIN 79 79 79 77 77 MIN 58 55 56 59 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 1 2 1 1 1 %>90 0 0 0 0 0
%>85 11 13 11 7 8 %>85 0 0 0 0 0
%>80 41 41 39 30 31 %>80 0 0 0 0 0
%>75 78 74 75 66 66 %>75 0 0 0 0 1
%>70 96 94 95 91 91 %>70 0 0 0 3 4
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0825 0826 0827 0828 0829 CRP 0825 0826 0827 0828 0829
MIN 85 86 86 87 87 MIN 83 83 83 83 84
%>100 0 0 0 0 0 %>100 0 0 0 1 1
%>95 0 0 0 0 1 %>95 2 2 3 3 5
%>90 7 11 10 14 22 %>90 10 10 10 12 17
%>85 53 63 64 69 75 %>85 30 31 33 36 45
%>80 94 96 96 97 98 %>80 66 69 70 71 76
%>75 100 100 100 100 100 %>75 92 93 93 92 93
%>70 100 100 100 100 100 %>70 99 99 99 99 99
DALLAS_TX DENVER_CO
DFW 0825 0826 0827 0828 0829 DEN 0825 0826 0827 0828 0829
MIN 85 85 83 82 83 MIN 61 59 60 60 62
%>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 7 5 5 4 6 %>90 0 0 0 0 0
%>85 52 50 36 28 36 %>85 0 0 0 0 0
%>80 95 94 80 72 78 %>80 0 0 0 0 0
%>75 100 100 97 95 96 %>75 0 0 0 0 1
%>70 100 100 99 99 99 %>70 1 0 0 3 6
DES_MOINES_IA EL_PASO_TX
DSM 0825 0826 0827 0828 0829 ELP 0825 0826 0827 0828 0829
MIN 65 68 65 66 68 MIN 73 73 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 2 2 1 1
%>80 0 0 0 0 2 %>80 9 10 11 9 10
%>75 0 1 0 3 11 %>75 34 35 39 38 42
%>70 4 23 9 18 37 %>70 68 68 75 76 81
FRESNO_CA GOODLAND_KS
FAT 0825 0826 0827 0828 0829 GLD 0825 0826 0827 0828 0829
MIN 68 67 66 66 66 MIN 65 63 62 63 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 2 2 %>80 0 0 0 0 0
%>75 3 3 4 9 8 %>75 3 0 1 2 4
%>70 32 25 24 29 28 %>70 17 6 6 11 16
GREAT_FALLS_MT HOUSTON_TX
GTF 0825 0826 0827 0828 0829 HOU 0825 0826 0827 0828 0829
MIN 51 54 55 50 50 MIN 83 84 84 83 83
%>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 0 %>90 6 6 10 9 9
%>85 0 0 0 0 0 %>85 35 40 47 42 37
%>80 0 0 0 0 0 %>80 79 80 81 77 72
%>75 0 0 0 0 0 %>75 97 96 95 93 92
%>70 0 0 1 1 1 %>70 100 99 99 98 98
JACKSON_MS KANSAS_CITY_MO
JAN 0825 0826 0827 0828 0829 MCI 0825 0826 0827 0828 0829
MIN 76 78 76 74 74 MIN 68 70 68 69 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 3 5 4 1 1 %>85 0 0 0 0 1
%>80 20 30 23 9 10 %>80 0 0 0 0 7
%>75 57 71 58 41 43 %>75 2 8 3 7 28
%>70 88 95 87 80 82 %>70 31 52 27 39 62
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0825 0826 0827 0828 0829 LIT 0825 0826 0827 0828 0829
MIN 80 80 80 80 80 MIN 76 76 75 74 75
%>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 6 6 6 6 7 %>90 0 0 0 0 0
%>85 20 21 23 23 24 %>85 3 3 2 0 2
%>80 47 50 52 51 52 %>80 20 21 14 7 14
%>75 75 79 80 79 79 %>75 57 59 48 40 47
%>70 92 94 95 94 94 %>70 88 89 83 84 82
LOS_ANGELES_CA MIDLAND_TX
LAX 0825 0826 0827 0828 0829 MAF 0825 0826 0827 0828 0829
MIN 71 73 73 72 72 MIN 74 75 75 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 0 0
%>85 0 0 1 1 1 %>85 0 0 0 0 0
%>80 1 4 6 6 6 %>80 4 7 8 8 9
%>75 16 29 31 27 26 %>75 44 46 48 45 51
%>70 62 74 72 63 63 %>70 92 89 90 87 91
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0825 0826 0827 0828 0829 MSY 0825 0826 0827 0828 0829
MIN 64 65 61 62 64 MIN 86 85 84 82 82
%>100 0 0 0 0 0 %>100 1 1 1 1 1
%>95 0 0 0 0 0 %>95 6 5 4 3 4
%>90 0 0 0 0 0 %>90 23 20 16 12 14
%>85 0 0 0 0 0 %>85 55 50 43 33 35
%>80 0 0 0 0 0 %>80 82 77 73 61 63
%>75 0 0 0 0 2 %>75 95 93 91 84 86
%>70 5 3 0 5 14 %>70 99 98 98 96 96
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0825 0826 0827 0828 0829 OKC 0825 0826 0827 0828 0829
MIN 66 62 62 63 64 MIN 78 76 74 75 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 1 2
%>85 0 0 0 0 0 %>85 7 5 2 4 9
%>80 0 0 0 0 0 %>80 36 23 13 20 30
%>75 1 0 0 2 2 %>75 77 58 42 50 61
%>70 13 2 2 10 14 %>70 96 87 76 80 85
OMAHA_NE PENDLETON_OR
OMA 0825 0826 0827 0828 0829 PDT 0825 0826 0827 0828 0829
MIN 67 68 66 67 69 MIN 56 58 52 49 51
%>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 0 0 0 0 0
%>75 1 1 2 2 13 %>75 1 2 0 0 0
%>70 19 26 15 22 42 %>70 4 7 1 1 1
PHOENIX_AZ PORTLAND_OR
PHX 0825 0826 0827 0828 0829 PDX 0825 0826 0827 0828 0829
MIN 87 87 88 88 88 MIN 60 57 54 53 53
%>100 1 1 2 3 2 %>100 0 0 0 0 0
%>95 7 9 11 14 13 %>95 0 0 0 0 0
%>90 28 31 35 37 38 %>90 0 0 0 0 0
%>85 65 64 67 68 71 %>85 0 0 0 0 0
%>80 91 89 90 89 92 %>80 0 0 0 0 0
%>75 99 98 98 98 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 0825 0826 0827 0828 0829 SAC 0825 0826 0827 0828 0829
MIN 61 58 60 61 61 MIN 58 58 58 59 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 0 1 2 %>75 0 0 0 0 0
%>70 2 1 2 6 8 %>70 0 0 0 2 3
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0825 0826 0827 0828 0829 SLC 0825 0826 0827 0828 0829
MIN 66 69 69 69 70 MIN 66 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 3 %>80 0 0 0 0 0
%>75 0 3 1 6 19 %>75 2 1 1 1 2
%>70 11 34 32 36 53 %>70 19 17 18 14 18
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0825 0826 0827 0828 0829 SAN 0825 0826 0827 0828 0829
MIN 78 78 79 79 79 MIN 72 72 73 72 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 2 4 4 6 5 %>85 0 0 0 0 0
%>80 25 31 36 36 35 %>80 0 0 2 2 3
%>75 76 80 84 81 81 %>75 10 15 23 23 23
%>70 99 99 99 98 98 %>70 76 81 78 73 70
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0825 0826 0827 0828 0829 SEA 0825 0826 0827 0828 0829
MIN 57 56 57 57 57 MIN 56 56 54 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 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 0825 0826 0827 0828 0829 FSD 0825 0826 0827 0828 0829
MIN 83 83 79 78 78 MIN 64 62 59 62 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 2 6 2 1 1 %>90 0 0 0 0 0
%>85 27 34 13 9 9 %>85 0 0 0 0 0
%>80 76 76 42 33 35 %>80 0 0 0 0 0
%>75 98 97 76 68 71 %>75 0 0 0 1 2
%>70 100 100 95 91 93 %>70 3 0 0 6 14
SPRINGFIELD_MO TUCSON_AZ
SGF 0825 0826 0827 0828 0829 TUS 0825 0826 0827 0828 0829
MIN 71 71 68 69 71 MIN 77 79 79 79 80
%>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 1 2 2 2
%>85 0 0 0 0 1 %>85 5 11 14 13 16
%>80 0 1 0 2 8 %>80 29 41 46 45 50
%>75 10 15 6 12 28 %>75 68 77 80 80 83
%>70 58 58 36 42 59 %>70 93 95 96 96 97
TULSA_OK WICHITA_KS
TUL 0825 0826 0827 0828 0829 ICT 0825 0826 0827 0828 0829
MIN 77 76 73 74 77 MIN 72 72 70 72 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 3 %>90 0 0 0 0 0
%>85 2 3 1 3 11 %>85 0 0 0 1 4
%>80 22 19 9 16 31 %>80 4 4 1 6 15
%>75 72 57 37 46 60 %>75 28 24 13 27 41
%>70 97 89 75 78 83 %>70 72 64 50 62 71
YUMA_AZ
YUM 0825 0826 0827 0828 0829
MIN 89 88 89 90 89
%>100 0 0 0 1 0
%>95 5 2 5 10 8
%>90 40 29 40 48 43
%>85 87 82 88 88 85
%>80 99 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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