Regional Weather Roundup
Issued by NWS

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993
ASUS46 KSEW 170720
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
1200 AM PDT THU SEP 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>559-170800-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        CLEAR     58  52  80 N6        30.08F TC  14
BOEING FIELD   CLEAR     63  52  67 CALM      30.06S TC  17
RENTON         CLEAR     63  56  78 N5        30.05F TC  17
SEATAC AIRPORT CLEAR     62  54  74 N8        30.07S TC  17
JBLM-MCCHORD   CLEAR     55  51  86 CALM      30.05S TC  13
PUYALLUP       CLEAR     54  54 100 CALM      30.07S TC  12
BREMERTON      CLEAR     60  50  69 NE7       30.07S TC  16
JBLM-FT LEWIS  CLEAR     56  49  78 CALM      30.03S TC  13
TACOMA NARROWS CLEAR     61  51  70 CALM      30.06S TC  16
$$

WAZ001-503-506-510-514-515-170800-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     CLEAR     53  51  93 CALM      30.07S TC  12
FRIDAY HARBOR  CLEAR     54  50  86 CALM      30.08F TC  12
EASTSOUND      CLEAR     55  54  94 CALM      30.08S TC  13
PORT ANGELES   CLEAR     51  42  71 CALM      30.08S TC  11
EDIZ HOOK      CLEAR     53  53  99 CALM      30.08S TC  12
PORT TOWNSEND  CLEAR     48  46  93 CALM      30.06F TC   9
NAS WHIDBEY    CLEAR     49  47  93 E5        30.08S TC   9
ARLINGTON      CLEAR     52  51  97 CALM      30.08S TC  11
BURLINGTON     CLEAR     55  52  88 N5        30.08S TC  13
$$

WAZ020-022-039-040-504-511-512-170800-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        CLEAR     50  49  96 CALM      30.04F TC  10
OLYMPIA        CLEAR     53  48  83 CALM      30.06S TC  12
CHEHALIS       CLEAR     55  55 100 CALM      30.05S TC  13
KELSO          CLEAR     58  52  80 CALM      30.04S TC  14
VANCOUVER      CLEAR     61  51  70 CALM      30.02S TC  16
SCAPPOOSE, OR  CLEAR     67  48  50 N5        30.00S TC  19
PORTLAND, OR   CLEAR     65  55  70 NW3       30.00F TC  18
$$

WAZ021-516-517-170800-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          CLEAR     51  49  92 CALM      30.06S TC  11
HOQUIAM        CLEAR     56  54  93 E3        30.05S TC  13
ASTORIA, OR    CLEAR     55  53  93 SE3       30.01F TC  13
$$

WAZ019-023-024-040-567>569-170800-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  CLEAR     50  41  71 CALM      30.17S TC  10
TROUTDALE, OR  CLEAR     58  51  78 CALM      30.00S TC  14
HOOD RIVER, OR CLEAR     54  46  76 S3        30.04S TC  12
THE DALLES, OR CLEAR     59  47  64 E5        30.02S TC  15
$$

WAZ026-027-041>044-520-521-170800-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           CLEAR     61  48  62 N13       30.12S TC  16
WENATCHEE      CLEAR     59  46  62 W7        30.09S HAZE    TC  15
ELLENSBURG     CLEAR     49  44  83 SE5       30.09F TC   9
YAKIMA         CLEAR     52  46  80 W6        30.07F TC  11
SUNNYSIDE ARPT CLEAR     59  49  68 CALM      30.04S TC  15
YAKIMA TC      FAIR      60  46  58 CALM      30.03F TC  16
$$

WAZ028-034-035-170800-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        CLEAR     63  43  48 NW8       30.06S TC  17
MOSES LAKE     CLEAR     54  46  74 N6        30.07R TC  12
PASCO          CLEAR     55  49  80 NW7       30.02S TC  13
RICHLAND ARPT  CLEAR     61  49  64 CALM      30.03S TC  16
HERMISTON, OR  CLEAR     59  48  67 SW5       30.01F TC  15
$$

WAZ036>038-170800-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER CLEAR     59  44  57 NE6       30.09S TC  15
SPOKANE FELTS  CLEAR     53  46  77 CALM      30.08F TC  12
FAIRCHILD AFB  CLEAR     58  44  59 N7        30.08S TC  15
COEURDALENE,ID CLEAR     57  46  66 NE9       30.10F TC  14
DEER PARK      CLEAR     51  45  79 NE8       30.09F TC  11
$$

WAZ029>033-170800-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        CLEAR     52  45  77 CALM      30.07S TC  11
LEWISTON, ID   CLEAR     62  48  60 CALM      30.01S TC  17
WALLA WALLA    CLEAR     59  49  69 SE5       30.02S TC  15
PENDLETON, OR  CLEAR     57  48  72 SE6       30.03F TC  14
$$