Heat Index Forecast Tables
Issued by NWS
Issued by NWS
810
FMUS24 KWNH 180742
PRBWHL
DAYS 3--7 HEAT INDEX FORECAST TABLES
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
0740 UTC MON AUG 18 2025
MINIMUM HEAT INDEX (DEG F) AND MINIMUM 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
MIN 72 72 71 71 71 MIN 64 65 64 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 2 1 1 1 3 %>80 0 0 0 0 0
%>75 25 17 12 12 20 %>75 1 1 1 1 1
%>70 73 72 57 59 60 %>70 10 12 12 7 10
AMARILLO_TX AUSTIN_TX
AMA 0821 0822 0823 0824 0825 AUS 0821 0822 0823 0824 0825
MIN 66 65 63 64 63 MIN 77 76 75 76 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 0 0 0 0
%>85 0 0 0 0 0 %>85 2 1 1 1 1
%>80 0 0 0 0 0 %>80 22 14 13 13 15
%>75 1 0 1 1 4 %>75 69 56 54 56 59
%>70 14 8 8 11 15 %>70 96 92 91 92 93
BATON_ROUGE_LA BISMARCK_ND
BTR 0821 0822 0823 0824 0825 BIS 0821 0822 0823 0824 0825
MIN 77 77 76 76 75 MIN 69 56 50 46 49
%>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 0 0 0 0 %>85 0 0 0 0 0
%>80 17 12 5 4 6 %>80 2 0 0 0 0
%>75 71 74 62 62 51 %>75 13 0 0 0 0
%>70 98 99 98 99 95 %>70 45 0 0 0 0
BROWNSVILLE_TX CORPUS_CHRISTI_TX
BRO 0821 0822 0823 0824 0825 CRP 0821 0822 0823 0824 0825
MIN 79 80 80 81 82 MIN 80 79 80 79 80
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 1 2 1 2
%>90 1 1 3 3 4 %>90 4 4 5 4 5
%>85 5 12 17 19 24 %>85 12 14 16 13 15
%>80 38 47 49 58 63 %>80 42 42 45 40 45
%>75 87 86 82 91 92 %>75 84 79 80 77 82
%>70 99 99 97 99 99 %>70 99 96 96 96 97
DALLAS_TX DENVER_CO
DFW 0821 0822 0823 0824 0825 DEN 0821 0822 0823 0824 0825
MIN 78 77 76 76 76 MIN 63 61 59 58 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 0 0 0 1 %>90 0 0 0 0 0
%>85 7 4 3 4 5 %>85 0 0 0 0 0
%>80 32 25 22 20 22 %>80 0 0 0 0 0
%>75 71 65 60 55 55 %>75 0 0 0 0 0
%>70 94 92 91 87 84 %>70 2 4 1 1 1
DES_MOINES_IA EL_PASO_TX
DSM 0821 0822 0823 0824 0825 ELP 0821 0822 0823 0824 0825
MIN 62 61 62 54 53 MIN 70 71 70 69 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 0 0 0 0 %>80 2 3 2 1 1
%>75 0 0 1 0 0 %>75 16 19 14 10 10
%>70 0 1 6 1 1 %>70 50 55 47 44 49
FRESNO_CA GOODLAND_KS
FAT 0821 0822 0823 0824 0825 GLD 0821 0822 0823 0824 0825
MIN 67 72 74 73 71 MIN 63 62 60 60 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 3 5 3 1 %>80 0 0 0 0 1
%>75 2 26 40 31 19 %>75 1 2 1 2 4
%>70 22 69 81 75 64 %>70 10 10 7 8 11
GREAT_FALLS_MT HOUSTON_TX
GTF 0821 0822 0823 0824 0825 HOU 0821 0822 0823 0824 0825
MIN 55 52 50 53 55 MIN 81 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 3 1 1 1 1
%>85 0 0 0 0 0 %>85 21 10 8 9 9
%>80 0 0 0 0 0 %>80 59 44 37 42 42
%>75 0 0 0 0 0 %>75 92 86 79 84 84
%>70 0 0 0 0 1 %>70 99 99 97 99 99
JACKSON_MS KANSAS_CITY_MO
JAN 0821 0822 0823 0824 0825 MCI 0821 0822 0823 0824 0825
MIN 75 75 74 74 72 MIN 66 63 66 61 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 9 5 2 1 3 %>80 0 0 0 0 0
%>75 52 46 37 29 22 %>75 0 0 2 1 2
%>70 93 93 91 91 66 %>70 10 4 18 7 8
LAS_VEGAS_NV LITTLE_ROCK_AR
LAS 0821 0822 0823 0824 0825 LIT 0821 0822 0823 0824 0825
MIN 81 83 83 82 81 MIN 74 71 71 71 66
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 2 3 2 2 1 %>95 0 0 0 0 0
%>90 8 13 12 9 7 %>90 0 0 0 0 0
%>85 26 35 36 30 25 %>85 1 0 0 0 0
%>80 57 67 70 64 56 %>80 9 2 2 1 2
%>75 85 91 92 89 84 %>75 41 18 16 15 10
%>70 97 99 99 98 96 %>70 81 60 57 55 29
LOS_ANGELES_CA MIDLAND_TX
LAX 0821 0822 0823 0824 0825 MAF 0821 0822 0823 0824 0825
MIN 68 69 69 69 68 MIN 72 71 69 69 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 0 0 0 0 0 %>85 0 0 0 0 0
%>80 0 1 0 1 1 %>80 0 0 0 0 1
%>75 4 10 8 8 7 %>75 15 12 6 7 14
%>70 28 43 40 37 32 %>70 68 58 44 43 52
MINNEAPOLIS_MN NEW_ORLEANS_LA
MSP 0821 0822 0823 0824 0825 MSY 0821 0822 0823 0824 0825
MIN 62 65 58 52 51 MIN 83 81 80 79 79
%>100 0 0 0 0 0 %>100 0 0 0 0 0
%>95 0 0 0 0 0 %>95 1 0 0 0 0
%>90 0 0 0 0 0 %>90 6 3 2 1 1
%>85 0 0 0 0 0 %>85 31 21 14 8 10
%>80 0 0 0 0 0 %>80 69 62 51 39 45
%>75 0 1 0 0 0 %>75 94 92 88 83 85
%>70 2 13 0 0 0 %>70 99 99 99 98 98
NORTH_PLATTE_NE OKLAHOMA_CITY_OK
LBF 0821 0822 0823 0824 0825 OKC 0821 0822 0823 0824 0825
MIN 65 64 60 58 58 MIN 72 69 69 69 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 0 0 0 0 0 %>90 0 0 0 0 0
%>85 0 0 0 0 0 %>85 0 0 0 0 1
%>80 0 0 0 0 0 %>80 1 0 1 1 4
%>75 0 1 0 0 1 %>75 21 7 8 11 15
%>70 9 9 3 2 6 %>70 71 41 40 40 38
OMAHA_NE PENDLETON_OR
OMA 0821 0822 0823 0824 0825 PDT 0821 0822 0823 0824 0825
MIN 64 64 63 56 56 MIN 55 56 60 63 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 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 1 1 1 1 %>75 0 0 2 2 1
%>70 2 9 9 3 5 %>70 0 2 8 11 7
PHOENIX_AZ PORTLAND_OR
PHX 0821 0822 0823 0824 0825 PDX 0821 0822 0823 0824 0825
MIN 88 89 89 88 86 MIN 54 57 60 59 57
%>100 0 1 1 2 1 %>100 0 0 0 0 0
%>95 6 10 9 11 5 %>95 0 0 0 0 0
%>90 36 40 38 37 25 %>90 0 0 0 0 0
%>85 79 77 77 72 60 %>85 0 0 0 0 0
%>80 98 96 96 93 88 %>80 0 0 0 0 0
%>75 100 100 100 99 98 %>75 0 0 0 0 0
%>70 100 100 100 100 100 %>70 0 0 0 0 0
RAPID_CITY_SD SACRAMENTO_CA
RAP 0821 0822 0823 0824 0825 SAC 0821 0822 0823 0824 0825
MIN 70 60 56 53 56 MIN 61 63 63 61 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 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 0 0 0 0
%>75 10 0 0 0 0 %>75 0 1 1 0 0
%>70 47 4 1 1 2 %>70 3 7 8 3 3
SAINT_LOUIS_MO SALT_LAKE_CITY_UT
STL 0821 0822 0823 0824 0825 SLC 0821 0822 0823 0824 0825
MIN 67 67 68 63 59 MIN 68 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 0 0 0 0 0 %>80 0 0 0 0 0
%>75 0 1 1 1 1 %>75 5 4 5 3 0
%>70 19 20 25 11 6 %>70 34 28 38 33 10
SAN_ANTONIO_TX SAN_DIEGO_CA
SAT 0821 0822 0823 0824 0825 SAN 0821 0822 0823 0824 0825
MIN 77 76 76 76 76 MIN 67 68 69 69 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 0 0 0 0 0 %>90 0 0 0 0 0
%>85 1 0 1 1 1 %>85 0 0 0 0 0
%>80 21 11 13 13 14 %>80 0 0 0 0 0
%>75 74 58 56 60 60 %>75 1 3 4 3 2
%>70 98 94 93 95 94 %>70 17 31 35 36 28
SAN_FRANCISCO_CA SEATTLE_WA
SFO 0821 0822 0823 0824 0825 SEA 0821 0822 0823 0824 0825
MIN 56 56 57 57 56 MIN 53 55 57 58 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 0821 0822 0823 0824 0825 FSD 0821 0822 0823 0824 0825
MIN 76 75 74 74 73 MIN 63 65 56 51 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 1 0 0 0 0 %>85 0 0 0 0 0
%>80 15 6 4 3 4 %>80 0 0 0 0 0
%>75 57 47 39 38 29 %>75 0 1 0 0 0
%>70 91 92 87 88 74 %>70 1 13 0 0 1
SPRINGFIELD_MO TUCSON_AZ
SGF 0821 0822 0823 0824 0825 TUS 0821 0822 0823 0824 0825
MIN 68 65 66 64 60 MIN 78 78 77 76 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 1 1 1 1 1
%>85 0 0 0 0 0 %>85 9 7 6 6 5
%>80 0 0 0 0 1 %>80 33 32 27 24 24
%>75 2 0 1 2 4 %>75 69 71 61 56 59
%>70 27 9 12 13 12 %>70 94 94 88 84 87
TULSA_OK WICHITA_KS
TUL 0821 0822 0823 0824 0825 ICT 0821 0822 0823 0824 0825
MIN 73 70 70 69 68 MIN 69 66 67 65 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 0 0 0 0 0 %>90 0 0 0 0 0
%>85 0 0 0 0 0 %>85 0 0 0 0 0
%>80 2 0 0 0 2 %>80 0 0 0 0 1
%>75 27 4 6 8 10 %>75 2 1 3 2 5
%>70 77 45 46 45 34 %>70 33 14 26 16 16
YUMA_AZ
YUM 0821 0822 0823 0824 0825
MIN 86 88 91 89 88
%>100 0 1 2 0 1
%>95 4 10 17 6 7
%>90 21 37 58 42 36
%>85 55 74 92 87 77
%>80 86 95 99 99 96
%>75 98 100 100 100 100
%>70 100 100 100 100 100
URL IS WWW.WPC.NCEP.NOAA.GOV
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