Regional Weather Roundup
Issued by NWS

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779
ASUS46 KSEW 180510
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
1000 PM 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>559-180600-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        PTCLDY    62  55  77 N3        30.09R TC  17
BOEING FIELD   PTCLDY    69  57  65 VRB3      30.07R TC  21
RENTON         CLEAR     70  57  63 CALM      30.06R TC  21
SEATAC AIRPORT PTCLDY    69  55  60 N7        30.08R TC  21
JBLM-MCCHORD   NOT AVBL
PUYALLUP       CLOUDY    66  59  77 CALM      30.08S TC  19
BREMERTON      PTCLDY    65  58  78 CALM      30.09R TC  18
JBLM-FT LEWIS  CLEAR     70  59  67 W6        30.05R TC  21
TACOMA NARROWS CLEAR     70  57  63 CALM      30.07R TC  21
$$

WAZ001-503-506-510-514-515-180600-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     MOCLDY    64  57  78 S5        30.05S TC  18
FRIDAY HARBOR  MOCLDY    54  52  93 CALM      30.07R TC  12
EASTSOUND      CLOUDY    66  59  77 VRB7      30.05S TC  19
PORT ANGELES   PTCLDY    56  53  90 W5        30.08R TC  13
EDIZ HOOK      PTCLDY    55  55  98 W12       30.08R TC  13
PORT TOWNSEND  CLOUDY    59  55  88 CALM      30.07R TC  15
NAS WHIDBEY    MOCLDY    56  52  86 S3        30.08R TC  13
ARLINGTON      PTCLDY    62  57  83 NW5       30.08R TC  17
BURLINGTON     CLOUDY    61  59  94 CALM      30.07S TC  16
$$

WAZ020-022-039-040-504-511-512-180600-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        CLEAR     62  57  83 SW12      30.07R TC  17
OLYMPIA        CLEAR     66  57  72 NE3       30.08R TC  19
CHEHALIS       CLEAR     66  63  88 SW3       30.09R TC  19
KELSO          CLEAR     64  59  83 NW8       30.10R TC  18
VANCOUVER      CLEAR     73  59  61 N7        30.07R TC  23
SCAPPOOSE, OR  CLEAR     70  59  68 N6        30.05R TC  21
PORTLAND, OR   PTCLDY    73  60  63 VRB3      30.05R TC  23
$$

WAZ021-516-517-180600-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          CLOUDY    55  54  96 CALM      30.11R TC  13
HOQUIAM        CLOUDY    58  56  93 NW5       30.12S TC  14
ASTORIA, OR    CLOUDY    59  57  93 NW6       30.12R FOG     TC  15
$$

WAZ019-023-024-040-567>569-180600-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  CLEAR     56  54  93 MISG      30.19R TC  13
TROUTDALE, OR  CLEAR     74  60  61 VRB3      30.04R TC  23
HOOD RIVER, OR PTCLDY    64  46  52 CALM      30.02R TC  18
THE DALLES, OR PTCLDY    80  43  26 W14G24    29.97R TC  27
$$

WAZ026-027-041>044-520-521-180600-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           PTCLDY    83  43  24 N16       29.92R TC  28
WENATCHEE      CLEAR     82  40  22 NW9       29.94R TC  28
ELLENSBURG     CLEAR     72  48  42 NW10      30.00R TC  22
YAKIMA         PTCLDY    81  53  37 N7        29.95R TC  27
SUNNYSIDE ARPT PTCLDY    72  57  59 NE3       29.93S TC  22
YAKIMA TC      FAIR      79  44  28 E10       29.92R TC  26
$$

WAZ028-034-035-180600-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        CLEAR     76  52  43 SW6       29.93R TC  24
MOSES LAKE     CLEAR     82  54  37 SW7       29.93S TC  28
PASCO          PTCLDY    81  51  35 SW6       29.90S TC  27
RICHLAND ARPT  PTCLDY    81  50  34 W6        29.90S TC  27
HERMISTON, OR  PTCLDY    74  53  48 S7        29.93S TC  23
$$

WAZ036>038-180600-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER PTCLDY    76  40  27 W8        29.99S TC  24
SPOKANE FELTS  CLEAR     70  44  39 NE5       29.97S TC  21
FAIRCHILD AFB  CLEAR     73  41  31 W9        30.00S TC  23
COEURDALENE,ID CLEAR     74  52  46 E6        30.00S TC  23
DEER PARK      CLEAR     64  37  36 CALM      29.98S TC  18
$$

WAZ029>033-180600-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        MOCLDY    67  40  37 CALM      30.04R TC  19
LEWISTON, ID   MOCLDY    83  42  23 S6        29.95R TC  28
WALLA WALLA    PTCLDY    80  52  37 SE6       29.96R TC  27
PENDLETON, OR  PTCLDY    75  48  38 S7        29.99R TC  24
$$