Regional Weather Roundup
Issued by NWS

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638
ASUS46 KSEW 172210
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
300 PM 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>559-172300-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        SUNNY     70  53  54 VRB5      30.05S TC  21
BOEING FIELD   SUNNY     74  52  46 VRB5      30.02F TC  23
RENTON         SUNNY     74  53  48 N6        30.02F TC  23
SEATAC AIRPORT MOSUNNY   73  52  47 NW7       30.04F TC  23
JBLM-MCCHORD   SUNNY     76  49  37 N3        30.02F TC  25
PUYALLUP       NOT AVBL
BREMERTON      SUNNY     79  54  41 W6        30.03F TC  26
JBLM-FT LEWIS  SUNNY     78  50  37 W7        29.99F TC  25
TACOMA NARROWS SUNNY     73  52  47 SE6       30.03F TC  23
$$

WAZ001-503-506-510-514-515-172300-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     SUNNY     70  53  54 W5        30.02F TC  21
FRIDAY HARBOR  SUNNY     69  53  56 SE7       30.03F TC  21
PORT ANGELES   SUNNY     72  47  40 VRB5      30.04F TC  22
EDIZ HOOK      SUNNY     62  55  78 E5        30.04S TC  17
PORT TOWNSEND  NOT AVBL
NAS WHIDBEY    MOSUNNY   64  52  64 W8        30.04F TC  18
ARLINGTON      SUNNY     73  53  49 NW5       30.02F TC  23
BURLINGTON     SUNNY     68  52  56 NW10      30.03F TC  20
$$

WAZ020-022-039-040-504-511-512-172300-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        SUNNY     81  49  32 MISG      29.99F TC  27
OLYMPIA        SUNNY     77  52  41 N5        30.02F TC  25
CHEHALIS       NOT AVBL
KELSO          SUNNY     82  51  34 NW5       30.00F TC  28
VANCOUVER      SUNNY     83  48  29 NW8       30.00F TC  28
SCAPPOOSE, OR  SUNNY     83  51  33 VRB5      29.98F TC  28
PORTLAND, OR   MOSUNNY   82  49  31 NW7       29.99F TC  28
$$

WAZ021-516-517-172300-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          SUNNY     71  57  61 VRB6      30.05S TC  22
HOQUIAM        SUNNY     73  55  53 W12       30.03F TC  23
ASTORIA, OR    SUNNY     75  56  51 SW9       30.02S TC  24
$$

WAZ019-023-024-040-567>569-172300-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  SUNNY     70  46  42 VRB3      30.11F TC  21
TROUTDALE, OR  SUNNY     84  47  27 SW8       29.98F TC  29
HOOD RIVER, OR NOT AVBL
THE DALLES, OR MOSUNNY   81  44  27 VRB5      29.95F TC  27
$$

WAZ026-027-041>044-520-521-172300-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           SUNNY     79  38  22 N16       29.97F TC  26
WENATCHEE      MOSUNNY   79  40  24 SW5       29.96F TC  26
ELLENSBURG     MOSUNNY   73  45  36 SE6       30.00F TC  23
YAKIMA         MOSUNNY   80  42  25 E7        29.98F TC  27
SUNNYSIDE ARPT NOT AVBL
YAKIMA TC      FAIR      80  37  21 E8        29.94F TC  27
$$

WAZ028-034-035-172300-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        MOSUNNY   81  32  17 N5        29.97S TC  27
MOSES LAKE     MOSUNNY   80  43  26 SW8       29.99S TC  27
PASCO          PTSUNNY   69  48  47 E5        30.01F TC  21
RICHLAND ARPT  PTSUNNY   74  49  40 E7        30.01F TC  24
HERMISTON, OR  PTSUNNY   59  54  83 SE7       30.03F TC  15
$$

WAZ036>038-172300-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER PTSUNNY   73  45  36 CALM      30.01S TC  23
SPOKANE FELTS  PTSUNNY   73  48  41 SW7       30.00S TC  23
FAIRCHILD AFB  PTSUNNY   76  42  29 NW3       30.01R TC  24
COEURDALENE,ID MOSUNNY   74  49  41 N9        30.00F TC  23
DEER PARK      PTSUNNY   75  44  33 VRB3      30.00S TC  24
$$

WAZ029>033-172300-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        CLOUDY    63  47  55 W10G23    30.06R TC  17
LEWISTON, ID   CLOUDY    67  49  52 MISG      29.98F TC  19
WALLA WALLA    LGT RAIN  59  51  75 E16       30.02F TC  15
PENDLETON, OR  CLOUDY    56  52  86 S7        30.03F TC  13
$$