Heat Index Forecast Tables
Issued by NWS
Issued by NWS
387
FMUS24 KWNH 181608
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1607 UTC MON AUG 18 2025
MEAN HEAT INDEX (DEG F) AND MEAN HI PROB (%) FRCSTS
AT WESTERN US CITIES - DAYS 3 TO 7 FROM MON AUG 18 2025
ABILENE_TX ALBUQUERQUE_NM
ABI 0821 0822 0823 0824 0825 ABQ 0821 0822 0823 0824 0825
MEAN 85 84 83 83 83 MEAN 77 77 76 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 6 2 0 0 3 %>90 0 0 0 0 0
%>85 47 32 19 20 30 %>85 5 3 1 0 1
%>80 93 87 82 82 79 %>80 27 24 16 8 13
%>75 100 100 100 99 98 %>75 69 70 59 45 48
%>70 100 100 100 100 100 %>70 97 96 93 86 85
AMARILLO_TX AUSTIN_TX
AMA 0821 0822 0823 0824 0825 AUS 0821 0822 0823 0824 0825
MEAN 78 77 75 75 75 MEAN 90 89 88 88 89
%>100 0 0 0 0 0 %>100 1 1 0 0 0
%>95 0 0 0 0 0 %>95 13 11 5 3 4
%>90 0 0 0 0 0 %>90 52 42 33 30 35
%>85 0 0 0 1 3 %>85 89 81 78 82 84
%>80 19 11 8 11 19 %>80 99 97 98 99 99
%>75 85 72 54 48 53 %>75 100 100 100 100 100
%>70 100 99 94 88 84 %>70 100 100 100 100 100
BATON_ROUGE_LA BISMARCK_ND
BTR 0821 0822 0823 0824 0825 BIS 0821 0822 0823 0824 0825
MEAN 92 89 89 89 88 MEAN 77 66 60 58 61
%>100 6 1 1 1 0 %>100 0 0 0 0 0
%>95 27 11 10 11 6 %>95 0 0 0 0 0
%>90 65 44 43 43 35 %>90 0 0 0 0 0
%>85 91 82 82 82 78 %>85 3 0 0 0 0
%>80 99 98 98 98 98 %>80 26 0 0 0 0
%>75 100 100 100 100 100 %>75 70 1 0 0 0
%>70 100 100 100 100 100 %>70 96 14 0 0 5
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0821 0822 0823 0824 0825 CRP 0821 0822 0823 0824 0825
MEAN 93 93 93 94 94 MEAN 92 92 92 92 92
%>100 4 4 8 13 15 %>100 2 4 4 4 6
%>95 28 32 37 42 44 %>95 19 23 23 24 27
%>90 75 80 76 76 77 %>90 76 71 66 66 68
%>85 97 99 96 95 95 %>85 99 97 95 94 94
%>80 100 100 100 99 99 %>80 100 100 100 100 100
%>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 0821 0822 0823 0824 0825 DEN 0821 0822 0823 0824 0825
MEAN 90 89 88 87 87 MEAN 78 72 71 70 70
%>100 1 0 0 0 0 %>100 0 0 0 0 0
%>95 13 4 3 2 5 %>95 0 0 0 0 0
%>90 53 38 31 21 27 %>90 0 0 0 0 0
%>85 90 87 84 71 66 %>85 1 0 0 0 0
%>80 99 99 99 97 92 %>80 23 3 1 2 3
%>75 100 100 100 100 99 %>75 88 26 17 16 19
%>70 100 100 100 100 100 %>70 100 72 61 54 53
DES_MOINES_IA EL_PASO_TX
DSM 0821 0822 0823 0824 0825 ELP 0821 0822 0823 0824 0825
MEAN 73 74 71 64 64 MEAN 80 80 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 5 8 4 2 5
%>80 1 7 2 0 0 %>80 47 52 39 34 42
%>75 24 42 17 1 1 %>75 94 94 88 87 89
%>70 78 86 57 9 10 %>70 100 100 100 100 99
FRESNO_CA GOODLAND_KS
FAT 0821 0822 0823 0824 0825 GLD 0821 0822 0823 0824 0825
MEAN 82 88 89 87 85 MEAN 78 76 72 71 71
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 3 4 2 1 %>95 0 0 0 0 0
%>90 1 30 39 24 11 %>90 0 0 0 0 0
%>85 23 78 86 75 54 %>85 0 1 0 1 2
%>80 78 97 99 97 91 %>80 19 14 4 5 9
%>75 98 100 100 100 99 %>75 89 60 26 23 27
%>70 100 100 100 100 100 %>70 100 94 68 58 54
GREAT_FALLS_MT HOUSTON_TX
GTF 0821 0822 0823 0824 0825 HOU 0821 0822 0823 0824 0825
MEAN 68 65 66 69 70 MEAN 94 92 92 92 92
%>100 0 0 0 0 0 %>100 15 7 4 4 3
%>95 0 0 0 0 0 %>95 43 27 24 25 22
%>90 0 0 0 0 0 %>90 77 63 62 66 63
%>85 0 0 0 0 0 %>85 95 90 91 93 93
%>80 0 0 0 1 2 %>80 100 99 99 100 99
%>75 3 1 1 10 14 %>75 100 100 100 100 100
%>70 28 11 16 43 49 %>70 100 100 100 100 100
JACKSON_MS KANSAS_CITY_MO
JAN 0821 0822 0823 0824 0825 MCI 0821 0822 0823 0824 0825
MEAN 90 88 87 87 83 MEAN 76 77 76 70 68
%>100 1 1 0 0 0 %>100 0 0 0 0 0
%>95 13 7 5 1 1 %>95 0 0 0 0 0
%>90 48 34 28 18 9 %>90 0 0 0 0 0
%>85 85 74 70 68 37 %>85 1 2 1 0 0
%>80 98 95 95 97 75 %>80 14 20 14 2 2
%>75 100 100 100 100 96 %>75 59 65 56 16 12
%>70 100 100 100 100 100 %>70 94 95 92 51 37
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0821 0822 0823 0824 0825 LIT 0821 0822 0823 0824 0825
MEAN 92 93 91 90 89 MEAN 86 84 85 82 78
%>100 10 12 5 7 5 %>100 0 0 0 0 0
%>95 30 34 22 23 18 %>95 1 0 0 0 0
%>90 62 66 54 52 42 %>90 15 6 7 5 2
%>85 86 89 83 80 71 %>85 59 40 45 26 11
%>80 98 99 96 95 90 %>80 93 86 89 64 37
%>75 100 100 100 99 98 %>75 100 99 100 92 71
%>70 100 100 100 100 100 %>70 100 100 100 99 92
LOS_ANGELES_CA MIDLAND_TX
LAX 0821 0822 0823 0824 0825 MAF 0821 0822 0823 0824 0825
MEAN 75 76 75 75 73 MEAN 83 81 80 80 81
%>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 2 3 1 %>85 19 11 4 6 10
%>80 14 19 16 16 10 %>80 81 66 53 52 62
%>75 52 60 51 46 36 %>75 100 98 97 95 97
%>70 91 93 89 84 75 %>70 100 100 100 100 100
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0821 0822 0823 0824 0825 MSY 0821 0822 0823 0824 0825
MEAN 73 72 65 61 61 MEAN 94 92 90 90 90
%>100 0 0 0 0 0 %>100 10 5 2 2 2
%>95 0 0 0 0 0 %>95 38 24 14 13 13
%>90 0 0 0 0 0 %>90 77 62 47 47 49
%>85 0 0 0 0 0 %>85 97 91 82 84 87
%>80 3 2 0 0 0 %>80 100 99 97 98 99
%>75 27 24 0 0 0 %>75 100 100 100 100 100
%>70 79 74 6 0 1 %>70 100 100 100 100 100
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0821 0822 0823 0824 0825 OKC 0821 0822 0823 0824 0825
MEAN 79 74 70 68 67 MEAN 83 81 81 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 1
%>90 0 0 0 0 0 %>90 2 0 1 2 5
%>85 1 0 0 0 1 %>85 30 11 13 12 17
%>80 33 8 1 1 3 %>80 83 59 59 41 39
%>75 91 43 12 8 13 %>75 99 95 94 77 65
%>70 100 85 50 33 35 %>70 100 100 100 95 85
OMAHA_NE PENDLETON_OR
OMA 0821 0822 0823 0824 0825 PDT 0821 0822 0823 0824 0825
MEAN 75 76 72 66 65 MEAN 70 73 76 77 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 1 5 0 0 0 %>85 0 0 1 2 2
%>80 15 23 4 0 1 %>80 0 4 14 19 12
%>75 54 59 25 4 5 %>75 4 30 56 66 40
%>70 89 88 66 23 21 %>70 48 79 91 95 76
PHOENIX_AZ PORTLAND_OR
PHX 0821 0822 0823 0824 0825 PDX 0821 0822 0823 0824 0825
MEAN 100 100 98 98 96 MEAN 69 74 75 72 69
%>100 45 47 35 33 26 %>100 0 0 0 0 0
%>95 86 84 76 73 58 %>95 0 0 0 0 0
%>90 99 98 97 95 85 %>90 0 0 0 0 0
%>85 100 100 100 100 97 %>85 0 0 1 0 0
%>80 100 100 100 100 100 %>80 0 5 13 4 2
%>75 100 100 100 100 100 %>75 1 40 50 25 14
%>70 100 100 100 100 100 %>70 32 89 87 65 43
RAPID_CITY_SD SACRAMENTO_CA
RAP 0821 0822 0823 0824 0825 SAC 0821 0822 0823 0824 0825
MEAN 80 70 67 66 69 MEAN 80 81 79 77 76
%>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 1 0 0
%>85 11 0 0 0 0 %>85 8 13 9 5 3
%>80 55 0 0 0 4 %>80 45 57 43 26 20
%>75 93 9 2 3 17 %>75 87 92 84 64 54
%>70 100 53 21 21 43 %>70 99 99 99 91 86
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0821 0822 0823 0824 0825 SLC 0821 0822 0823 0824 0825
MEAN 77 79 78 73 70 MEAN 79 79 79 77 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 1 1 2 0 0
%>85 1 2 3 1 0 %>85 7 9 11 4 1
%>80 20 32 32 7 2 %>80 37 39 42 26 11
%>75 78 87 83 31 14 %>75 79 79 80 69 47
%>70 99 100 99 69 48 %>70 98 97 96 92 83
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0821 0822 0823 0824 0825 SAN 0821 0822 0823 0824 0825
MEAN 90 88 88 88 88 MEAN 72 74 74 74 72
%>100 2 1 0 0 0 %>100 0 0 0 0 0
%>95 14 8 6 3 3 %>95 0 0 0 0 0
%>90 51 37 34 30 31 %>90 0 0 0 0 0
%>85 88 78 77 80 80 %>85 0 1 1 1 0
%>80 99 97 97 99 99 %>80 5 12 11 11 5
%>75 100 100 100 100 100 %>75 31 41 42 41 27
%>70 100 100 100 100 100 %>70 67 75 75 74 65
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0821 0822 0823 0824 0825 SEA 0821 0822 0823 0824 0825
MEAN 63 62 62 62 61 MEAN 64 68 69 68 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 0 0 0 0 0
%>75 1 1 1 0 0 %>75 0 2 6 5 3
%>70 6 5 3 3 3 %>70 5 26 43 35 21
SHREVEPORT_LA SIOUX_FALLS_SD
SHV 0821 0822 0823 0824 0825 FSD 0821 0822 0823 0824 0825
MEAN 90 88 88 88 85 MEAN 76 73 65 61 62
%>100 2 1 0 0 0 %>100 0 0 0 0 0
%>95 15 7 3 4 3 %>95 0 0 0 0 0
%>90 47 32 28 31 17 %>90 0 0 0 0 0
%>85 81 72 76 79 50 %>85 1 0 0 0 0
%>80 97 95 98 98 83 %>80 16 6 0 0 0
%>75 100 100 100 100 97 %>75 58 30 1 0 1
%>70 100 100 100 100 100 %>70 92 71 14 3 9
SPRINGFIELD_MO TUCSON_AZ
SGF 0821 0822 0823 0824 0825 TUS 0821 0822 0823 0824 0825
MEAN 79 78 78 74 72 MEAN 90 90 88 87 87
%>100 0 0 0 0 0 %>100 3 3 1 1 3
%>95 0 0 0 0 0 %>95 14 14 9 7 12
%>90 0 0 0 0 0 %>90 44 45 34 30 30
%>85 2 1 1 2 2 %>85 82 83 73 68 58
%>80 36 28 28 14 10 %>80 98 98 95 93 83
%>75 90 84 88 46 31 %>75 100 100 100 99 96
%>70 100 100 100 80 61 %>70 100 100 100 100 99
TULSA_OK WICHITA_KS
TUL 0821 0822 0823 0824 0825 ICT 0821 0822 0823 0824 0825
MEAN 84 82 82 79 78 MEAN 80 79 77 74 72
%>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 6 1 1 2 4 %>90 0 0 0 0 1
%>85 43 21 18 14 15 %>85 5 4 4 3 4
%>80 88 75 72 44 37 %>80 50 42 27 15 13
%>75 99 98 98 79 65 %>75 94 91 70 43 34
%>70 100 100 100 96 86 %>70 100 100 95 75 61
YUMA_AZ
YUM 0821 0822 0823 0824 0825
MEAN 99 101 101 101 99
%>100 44 62 58 59 39
%>95 85 92 89 92 79
%>90 99 99 99 99 97
%>85 100 100 100 100 100
%>80 100 100 100 100 100
%>75 100 100 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
$$