Regional Weather Roundup
Issued by NWS

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371
ASUS46 KSEW 180210
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
700 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>559-180300-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        SUNNY     71  57  61 W5        30.07F TC  22
BOEING FIELD   SUNNY     77  56  48 VRB6      30.04F TC  25
RENTON         SUNNY     78  58  49 N9        30.04S TC  26
SEATAC AIRPORT MOSUNNY   77  57  50 NW6       30.06F TC  25
JBLM-MCCHORD   SUNNY     79  58  48 NE5       30.04F TC  26
PUYALLUP       SUNNY     77  57  50 CALM      30.06F TC  25
BREMERTON      SUNNY     77  59  53 MISG      30.06F TC  25
JBLM-FT LEWIS  SUNNY     80  57  45 NW3       30.01F TC  27
TACOMA NARROWS SUNNY     76  57  51 E6        30.04F TC  24
$$

WAZ001-503-506-510-514-515-180300-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     MOSUNNY   67  58  72 S5        30.04F TC  19
FRIDAY HARBOR  MOSUNNY   59  53  80 CALM      30.06F TC  15
EASTSOUND      MOSUNNY   68  57  68 S6        30.04F TC  20
PORT ANGELES   SUNNY     61  54  77 NW6       30.07F TC  16
EDIZ HOOK      SUNNY     56  55  95 W13       30.07F TC  13
PORT TOWNSEND  SUNNY     66  55  68 SW3       30.05S TC  19
NAS WHIDBEY    PTSUNNY   57  52  83 SW6       30.07S TC  14
ARLINGTON      SUNNY     72  59  63 NW10      30.05F TC  22
BURLINGTON     SUNNY     70  59  68 CALM      30.05S TC  21
$$

WAZ020-022-039-040-504-511-512-180300-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        SUNNY     77  58  51 SW14      30.02F TC  25
OLYMPIA        SUNNY     79  59  50 N7        30.03F TC  26
CHEHALIS       SUNNY     79  61  53 NW10      30.04F TC  26
KELSO          MOSUNNY   76  61  59 W8        30.04F TC  24
VANCOUVER      PTSUNNY   83  55  38 NW8       30.02F TC  28
SCAPPOOSE, OR  MOSUNNY   81  57  43 NW6       30.00F TC  27
PORTLAND, OR   PTSUNNY   83  55  38 VRB3      30.01F TC  28
$$

WAZ021-516-517-180300-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          CLOUDY    59  55  87 SW7       30.10S TC  15
HOQUIAM        CLOUDY    61  56  83 W9        30.10F TC  16
ASTORIA, OR    CLOUDY    61  56  83 W12G20    30.10F HAZE    TC  16
$$

WAZ019-023-024-040-567>569-180300-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  SUNNY     65  54  67 MISG      30.17F TC  18
TROUTDALE, OR  PTSUNNY   83  50  31 W5        30.00F TC  28
HOOD RIVER, OR PTSUNNY   79  41  25 NW7G17    29.99R TC  26
THE DALLES, OR PTSUNNY   83  44  25 NW20G30   29.93S TC  28
$$

WAZ026-027-041>044-520-521-180300-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           MOSUNNY   90  44  20 CALM      29.90F TC  32
WENATCHEE      SUNNY     87  57  35 E5        29.91F TC  31
ELLENSBURG     MOSUNNY   83  46  27 NW22G29   29.97R TC  28
YAKIMA         MOSUNNY   90  51  26 SE9       29.92F TC  32
SUNNYSIDE ARPT PTSUNNY   87  60  39 SE6       29.91F TC  31
YAKIMA TC      FAIR      90  48  23 S10       29.89S TC  32
$$

WAZ028-034-035-180300-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        PTCLDY    89  51  27 SW10      29.92F TC  32
MOSES LAKE     PTCLDY    91  51  25 S8        29.92F TC  33
PASCO          MOCLDY    92  49  22 SW3       29.89F TC  33
RICHLAND ARPT  MOCLDY    93  51  24 CALM      29.89F HX  90  TC  34
HERMISTON, OR  MOCLDY    88  51  28 SW3       29.91F TC  31
$$

WAZ036>038-180300-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER PTCLDY    89  38  16 W9        29.98F TC  32
SPOKANE FELTS  PTCLDY    88  43  20 VRB5      29.95F TC  31
FAIRCHILD AFB  CLEAR     88  35  15 W8        29.98F TC  31
COEURDALENE,ID PTCLDY    88  43  20 W5        29.99F TC  31
DEER PARK      CLEAR     88  36  15 W7        29.97F TC  31
$$

WAZ029>033-180300-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        MOCLDY    84  41  21 W5        30.03S TC  29
LEWISTON, ID   CLOUDY    90  41  18 W5        29.93S TC  32
WALLA WALLA    MOCLDY    85  55  35 S8        29.94F TC  29
PENDLETON, OR  MOCLDY    83  49  30 W6        29.96F TC  28
$$