Heat Index Forecast Tables
Issued by NWS
Issued by NWS
003
FMUS24 KWNH 180654
PRBWHI
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0653 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 1 0 0 0 0 %>95 0 0 0 0 0
%>90 11 5 1 1 4 %>90 0 0 0 0 0
%>85 48 35 23 21 30 %>85 5 4 2 0 1
%>80 88 82 79 81 78 %>80 27 25 16 7 12
%>75 99 99 99 100 98 %>75 69 69 58 45 48
%>70 100 100 100 100 100 %>70 97 96 93 87 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 2 2 0 0 0
%>95 0 0 0 0 0 %>95 16 12 6 4 6
%>90 0 0 0 0 0 %>90 52 43 34 32 36
%>85 0 0 0 0 3 %>85 86 79 77 80 82
%>80 19 10 5 8 19 %>80 98 96 97 99 98
%>75 85 72 54 48 53 %>75 100 100 100 100 100
%>70 100 99 97 91 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 5 1 1 1 1 %>100 0 0 0 0 0
%>95 27 10 11 11 8 %>95 0 0 0 0 0
%>90 65 44 43 43 36 %>90 0 0 0 0 0
%>85 92 84 81 82 77 %>85 5 0 0 0 0
%>80 99 98 98 98 96 %>80 27 0 0 0 0
%>75 100 100 100 100 100 %>75 69 1 0 0 2
%>70 100 100 100 100 100 %>70 94 15 1 2 10
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 9 13 13 %>100 3 3 4 4 4
%>95 28 32 37 42 43 %>95 20 22 23 23 25
%>90 75 80 76 76 78 %>90 74 73 66 66 70
%>85 97 99 96 95 96 %>85 99 98 95 94 96
%>80 100 100 100 100 100 %>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 2 0 0 0 0 %>100 0 0 0 0 0
%>95 15 7 4 1 4 %>95 0 0 0 0 0
%>90 53 39 33 19 26 %>90 0 0 0 0 0
%>85 88 83 82 73 67 %>85 1 0 0 0 0
%>80 99 99 99 98 93 %>80 22 5 1 3 3
%>75 100 100 100 100 99 %>75 88 28 17 19 19
%>70 100 100 100 100 100 %>70 100 70 61 53 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 1 1 0 0 0
%>85 0 0 0 0 0 %>85 9 11 5 3 5
%>80 1 5 3 0 1 %>80 47 51 39 34 41
%>75 22 41 20 4 5 %>75 89 91 87 86 88
%>70 80 88 56 16 18 %>70 99 100 99 100 100
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 3 1 1 %>95 0 0 0 0 0
%>90 1 30 38 23 12 %>90 0 0 0 0 1
%>85 24 78 87 75 54 %>85 0 0 0 2 4
%>80 77 97 99 97 90 %>80 21 12 5 9 13
%>75 97 100 100 100 99 %>75 87 61 27 27 30
%>70 100 100 100 100 100 %>70 100 96 67 57 53
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 13 6 5 5 4
%>95 0 0 0 0 0 %>95 42 26 24 26 23
%>90 0 0 0 0 0 %>90 79 64 62 65 62
%>85 0 0 0 0 0 %>85 96 91 91 92 92
%>80 0 0 0 1 1 %>80 100 99 99 99 99
%>75 2 1 3 11 13 %>75 100 100 100 100 100
%>70 26 12 20 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 11 7 4 1 1 %>95 0 0 0 0 0
%>90 48 33 27 19 10 %>90 0 0 0 0 0
%>85 87 75 71 67 38 %>85 0 1 1 1 1
%>80 99 96 96 96 75 %>80 10 16 14 6 6
%>75 100 100 100 100 95 %>75 61 67 56 22 19
%>70 100 100 100 100 100 %>70 97 97 92 51 41
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 6 8 7 %>100 0 0 0 0 0
%>95 30 34 23 24 20 %>95 2 0 0 0 1
%>90 62 65 53 52 43 %>90 17 6 8 3 4
%>85 87 88 82 79 69 %>85 58 40 46 23 15
%>80 98 98 96 94 88 %>80 92 86 88 66 39
%>75 100 100 100 99 97 %>75 99 99 99 94 68
%>70 100 100 100 100 100 %>70 100 100 100 100 89
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 3 1 0 0 0
%>85 2 4 3 3 2 %>85 27 16 7 6 12
%>80 14 19 16 16 11 %>80 73 63 53 52 61
%>75 53 60 51 46 37 %>75 97 96 94 95 96
%>70 90 93 89 83 74 %>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 9 3 2 2 2
%>95 0 0 0 0 0 %>95 37 22 14 13 15
%>90 0 0 0 0 0 %>90 78 63 47 47 50
%>85 0 0 0 0 0 %>85 97 93 83 84 85
%>80 3 2 0 0 0 %>80 100 99 98 98 98
%>75 27 25 0 0 0 %>75 100 100 100 100 100
%>70 78 73 8 0 2 %>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 3 0 0 1 5
%>85 2 0 0 1 2 %>85 32 12 12 9 17
%>80 34 8 2 3 6 %>80 81 59 59 40 39
%>75 90 43 16 14 18 %>75 99 95 95 80 65
%>70 100 85 50 37 38 %>70 100 100 100 97 86
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 0 2 0 0 1 %>85 0 0 2 2 2
%>80 9 20 5 2 4 %>80 0 4 15 20 11
%>75 54 61 27 9 12 %>75 4 30 55 65 40
%>70 94 91 65 29 28 %>70 48 78 90 94 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 36 34 29 %>100 0 0 0 0 0
%>95 88 83 76 72 57 %>95 0 0 0 0 0
%>90 99 97 96 95 82 %>90 0 0 0 0 0
%>85 100 100 100 100 95 %>85 0 0 2 0 0
%>80 100 100 100 100 99 %>80 0 6 14 5 3
%>75 100 100 100 100 100 %>75 1 41 50 26 15
%>70 100 100 100 100 100 %>70 33 87 86 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 1 1
%>85 10 0 0 0 1 %>85 6 13 11 6 5
%>80 55 1 0 1 4 %>80 45 56 44 27 22
%>75 94 11 4 7 17 %>75 90 92 82 63 54
%>70 100 52 24 26 43 %>70 99 100 98 90 83
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 3 5 4 2 1 %>85 7 9 11 4 2
%>80 25 36 32 10 6 %>80 38 39 42 26 13
%>75 72 82 81 34 21 %>75 79 79 79 69 46
%>70 97 99 99 67 49 %>70 97 97 96 92 81
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 3 1 1 0 0 %>100 0 0 0 0 0
%>95 17 10 7 5 4 %>95 0 0 0 0 0
%>90 51 38 34 32 32 %>90 0 0 0 0 0
%>85 85 76 76 77 78 %>85 0 1 0 1 0
%>80 98 96 96 97 98 %>80 5 11 10 11 5
%>75 100 100 100 100 100 %>75 32 41 41 41 26
%>70 100 100 100 100 100 %>70 67 75 76 75 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 8 7 3
%>70 5 4 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 0 0 0 0 %>100 0 0 0 0 0
%>95 14 5 4 4 2 %>95 0 0 0 0 0
%>90 47 30 29 31 15 %>90 0 0 0 0 0
%>85 82 74 74 78 50 %>85 1 0 0 0 0
%>80 97 97 97 98 85 %>80 15 6 0 0 1
%>75 100 100 100 100 98 %>75 58 30 2 1 4
%>70 100 100 100 100 100 %>70 93 71 15 5 15
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 4 4 2 2 4
%>95 0 0 0 0 0 %>95 15 16 10 9 13
%>90 0 0 0 0 1 %>90 44 45 34 31 31
%>85 5 4 2 3 4 %>85 82 81 72 67 58
%>80 38 31 30 16 14 %>80 98 97 95 92 82
%>75 86 79 85 46 34 %>75 100 100 100 99 95
%>70 99 98 100 79 59 %>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 1 0 0 0 1 %>95 0 0 0 0 0
%>90 9 3 2 1 5 %>90 0 0 0 0 2
%>85 44 25 21 11 16 %>85 7 7 3 2 6
%>80 85 71 69 44 38 %>80 50 43 25 14 17
%>75 99 97 97 82 64 %>75 93 87 72 42 36
%>70 100 100 100 98 85 %>70 100 99 97 76 59
YUMA_AZ
YUM 0821 0822 0823 0824 0825
MEAN 99 101 101 101 99
%>100 44 61 59 59 40
%>95 83 91 91 92 77
%>90 98 99 99 100 96
%>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
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