Regional Weather Roundup
Issued by NWS

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009
ASUS46 KSEW 182320
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
400 PM PDT TUE AUG 18 2026

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

WAZ507-509-555>559-190000-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        SUNNY     76  57  51 W9        30.11S TC  24
BOEING FIELD   SUNNY     79  58  48 VRB6      30.07F TC  26
RENTON         SUNNY     79  56  45 S6        30.08F TC  26
SEATAC AIRPORT MOSUNNY   77  56  48 SW7       30.10F TC  25
JBLM-MCCHORD   SUNNY     80  58  46 NW8       30.08F TC  27
PUYALLUP       SUNNY     82  57  42 CALM      30.09F TC  28
BREMERTON      SUNNY     77  59  53 SW8       30.10F TC  25
JBLM-FT LEWIS  SUNNY     81  57  43 SW10      30.05F TC  27
TACOMA NARROWS SUNNY     75  57  53 NW6       30.09F TC  24
$$

WAZ001-503-506-510-514-515-190000-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     SUNNY     76  59  55 CALM      30.08F TC  24
FRIDAY HARBOR  SUNNY     72  57  59 SE6       30.10F TC  22
EASTSOUND      SUNNY     70  57  64 NW5       30.08F TC  21
PORT ANGELES   SUNNY     67  54  63 W10       30.11F TC  19
EDIZ HOOK      SUNNY     61  55  81 NW14      30.11F TC  16
PORT TOWNSEND  SUNNY     72  57  60 SW7       30.08F TC  22
NAS WHIDBEY    NOT AVBL
ARLINGTON      SUNNY     81  60  48 NW12      30.08F TC  27
BURLINGTON     SUNNY     79  59  50 CALM      30.08F TC  26
$$

WAZ020-022-039-040-504-511-512-190000-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        SUNNY     72  56  57 W13G21    30.08F TC  22
OLYMPIA        SUNNY     80  54  40 SE9       30.09F TC  27
CHEHALIS       SUNNY     79  59  50 VRB3      30.09F TC  26
KELSO          SUNNY     76  60  57 NW8       30.11F TC  24
VANCOUVER      SUNNY     82  59  45 CALM      30.07F TC  28
SCAPPOOSE, OR  SUNNY     82  61  48 E10       30.05F TC  28
PORTLAND, OR   MOSUNNY   82  58  43 NW9       30.06F TC  28
$$

WAZ021-516-517-190000-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          CLOUDY    61  56  83 VRB5      30.13F TC  16
HOQUIAM        CLOUDY    63  55  75 SW12      30.15S TC  17
ASTORIA, OR    CLOUDY    65  56  72 VRB7      30.15F HAZE    TC  18
$$

WAZ019-023-024-040-567>569-190000-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  SUNNY     70  51  51 MISG      30.19S TC  21
TROUTDALE, OR  SUNNY     84  57  39 VRB3      30.05F TC  29
HOOD RIVER, OR SUNNY     88  50  27 NW6       30.00S TC  31
THE DALLES, OR SUNNY     90  54  29 NW21G30   29.93F TC  32
$$

WAZ026-027-041>044-520-521-190000-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           SUNNY     93  43  17 S8        29.91F TC  34
WENATCHEE      SUNNY     92  37  14 NE5       29.91F TC  33
ELLENSBURG     SUNNY     89  42  19 NW25G37   29.96F TC  32
YAKIMA         SUNNY     95  40  14 CALM      29.92F HX  91  TC  35
SUNNYSIDE ARPT SUNNY     91  67  45 CALM      29.91F HX  95  TC  33
YAKIMA TC      FAIR      95  36  12 SW8       29.89F HX  90  TC  35
$$

WAZ028-034-035-190000-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        SUNNY     93  40  15 SW10      29.92F TC  34
MOSES LAKE     SUNNY     93  43  17 S8        29.93F TC  34
PASCO          SUNNY     96  43  16 MISG      29.89F HX  92  TC  36
RICHLAND ARPT  SUNNY    100  36  11 SW6       29.89F HX  94  TC  38
HERMISTON, OR  SUNNY     96  38  13 W9        29.92F HX  91  TC  36
$$

WAZ036>038-190000-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER MOSUNNY   88  42  20 SW13G20   29.99F TC  31
SPOKANE FELTS  SUNNY     90  45  21 SW16      29.97F TC  32
FAIRCHILD AFB  SUNNY     89  40  17 W13G18    29.99F TC  32
COEURDALENE,ID SUNNY     88  46  23 W7        30.00F TC  31
DEER PARK      SUNNY     90  39  16 SW10G20   29.97F TC  32
$$

WAZ029>033-190000-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        SUNNY     87  37  17 W12G22    30.04F TC  31
LEWISTON, ID   SUNNY     94  34  12 N9G21     29.94F TC  34
WALLA WALLA    SUNNY     92  40  16 W7        29.95F TC  33
PENDLETON, OR  SUNNY     92  41  17 W9G18     29.98F TC  33
$$