Regional Weather Roundup
Issued by NWS

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074
ASUS46 KSEW 170810
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
100 AM PDT MON AUG 17 2026

NOTE:"FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

WAZ507-509-555>559-170900-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        PTCLDY    55  54  96 N6        30.17F TC  13
BOEING FIELD   PTCLDY    61  55  81 NW5       30.16S TC  16
RENTON         PTCLDY    64  57  78 N7        30.15S TC  18
SEATAC AIRPORT PTCLDY    58  54  86 W5        30.16S TC  14
JBLM-MCCHORD   PTCLDY    62  58  85 W5        30.15S TC  17
PUYALLUP       CLOUDY    59  59 100 CALM      30.17S TC  15
BREMERTON      PTCLDY    55  53  93 CALM      30.17S TC  13
JBLM-FT LEWIS  PTCLDY    59  55  88 CALM      30.14R TC  15
TACOMA NARROWS PTCLDY    60  57  89 CALM      30.16S TC  16
$$

WAZ001-503-506-510-514-515-170900-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     CLEAR     59  55  87 S6        30.15S TC  15
FRIDAY HARBOR  CLEAR     52  51  97 CALM      30.16S TC  11
EASTSOUND      CLOUDY    59  55  88 S8        30.15R TC  15
PORT ANGELES   CLOUDY    54  53  97 W9        30.17S TC  12
EDIZ HOOK      CLOUDY    54  54 100 W12G20    30.17S TC  12
PORT TOWNSEND  CLOUDY    50  50 100 CALM      30.16S TC  10
NAS WHIDBEY    FOG       53  53 100 SW6       30.18S VSB 1/2 TC  12
ARLINGTON      CLEAR     54  54 100 N5        30.18S TC  12
BURLINGTON     CLOUDY    54  54 100 CALM      30.17F TC  12
$$

WAZ020-022-039-040-504-511-512-170900-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        CLOUDY    55  54  96 W9        30.15R TC  13
OLYMPIA        PTCLDY    55  54  96 CALM      30.16S TC  13
CHEHALIS       PTCLDY    57  57 100 CALM      30.17S TC  14
KELSO          CLOUDY    61  56  83 NW6       30.17S TC  16
VANCOUVER      MOCLDY    63  56  78 CALM      30.15R TC  17
SCAPPOOSE, OR  PTCLDY    63  55  75 NW7       30.13S TC  17
PORTLAND, OR   MOCLDY    63  56  78 NW3       30.14R TC  17
$$

WAZ021-516-517-170900-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          CLOUDY    55  54  96 CALM      30.18F TC  13
HOQUIAM        CLOUDY    55  53  93 W3        30.18F TC  13
ASTORIA, OR    CLOUDY    59  54  83 W7        30.18S TC  15
$$

WAZ019-023-024-040-567>569-170900-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  FOG       53  53 100 MISG      30.22F VSB 1/2 TC  12
TROUTDALE, OR  MOCLDY    63  57  81 CALM      30.13S TC  17
HOOD RIVER, OR MOCLDY    59  46  63 CALM      30.10S TC  15
THE DALLES, OR MOCLDY    72  52  49 NW17G25   30.05R TC  22
$$

WAZ026-027-041>044-520-521-170900-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           CLEAR     67  43  41 NW6       30.06R TC  19
WENATCHEE      PTCLDY    73  56  54 W6        30.05R TC  23
ELLENSBURG     MOCLDY    64  53  67 NW9       30.09R TC  18
YAKIMA         MOCLDY    70  53  54 W8        30.05R TC  21
SUNNYSIDE ARPT MOCLDY    64  59  82 N3        30.02R TC  18
YAKIMA TC      FAIR      72  53  50 E9        30.02R TC  22
$$

WAZ028-034-035-170900-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        PTCLDY    76  48  37 N7        30.02S TC  24
MOSES LAKE     MOCLDY    71  50  47 CALM      30.03R TC  22
PASCO          PTCLDY    71  58  63 SE6       29.99R TC  22
RICHLAND ARPT  PTCLDY    73  58  60 CALM      30.00R TC  23
HERMISTON, OR  MOCLDY    72  44  36 SW5       30.02R TC  22
$$

WAZ036>038-170900-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER PTCLDY    71  44  37 NE3       30.09R TC  22
SPOKANE FELTS  PTCLDY    65  47  52 CALM      30.08R TC  18
FAIRCHILD AFB  CLEAR     64  41  42 CALM      30.09R TC  18
COEURDALENE,ID MOCLDY    66  48  52 E7        30.11R TC  19
DEER PARK      PTCLDY    60  44  55 NW5       30.09R TC  16
$$

WAZ029>033-170900-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        PTCLDY    61  43  51 CALM      30.11S TC  16
LEWISTON, ID   PTCLDY    72  51  47 SE3       30.04R TC  22
WALLA WALLA    PTCLDY    73  51  46 E6        30.03R TC  23
PENDLETON, OR  MOCLDY    67  48  50 NW5       30.06R TC  19
$$