Regional Weather Roundup
Issued by NWS

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018
ASUS46 KSEW 210110
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
600 PM PDT THU AUG 20 2026

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

WAZ507-509-555>559-210200-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        SUNNY     78  56  46 N7        29.95F TC  26
BOEING FIELD   SUNNY     82  56  40 VRB6      29.91S TC  28
RENTON         SUNNY     84  59  42 N9        29.91S TC  29
SEATAC AIRPORT MOSUNNY   85  52  32 NW10      29.93F TC  29
JBLM-MCCHORD   SUNNY     87  52  29 NE6       29.91S TC  30
PUYALLUP       SUNNY     88  52  29 CALM      29.93S TC  31
BREMERTON      SUNNY     84  57  39 NE9       29.93F TC  29
JBLM-FT LEWIS  SUNNY     89  52  28 N8        29.88S TC  31
TACOMA NARROWS SUNNY     81  56  42 N9        29.92S TC  27
$$

WAZ001-503-506-510-514-515-210200-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     SUNNY     78  57  48 NW6       29.93F TC  26
FRIDAY HARBOR  SUNNY     76  57  51 SE3       29.94F TC  24
EASTSOUND      SUNNY     72  59  64 N3        29.94F TC  22
PORT ANGELES   SUNNY     73  55  53 NW5       29.95F TC  23
EDIZ HOOK      SUNNY     59  55  86 NW10      29.95S TC  15
PORT TOWNSEND  SUNNY     81  54  39 W7        29.92F TC  27
NAS WHIDBEY    MOSUNNY   65  56  72 W6        29.94F TC  18
ARLINGTON      SUNNY     82  60  47 NW8       29.93S TC  28
BURLINGTON     SUNNY     75  59  57 NW13      29.93F TC  24
$$

WAZ020-022-039-040-504-511-512-210200-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        SUNNY     88  56  33 E6        29.88S TC  31
OLYMPIA        SUNNY     88  53  30 N7        29.90F TC  31
CHEHALIS       SUNNY     90  52  27 NE8       29.90S TC  32
KELSO          SUNNY     87  62  43 NW7       29.89S TC  31
VANCOUVER      SUNNY     92  54  27 NW9       29.86F HX  90  TC  33
SCAPPOOSE, OR  SUNNY     92  55  28 N8        29.85S HX  90  TC  33
PORTLAND, OR   MOSUNNY   92  52  25 NW9       29.85F TC  33
$$

WAZ021-516-517-210200-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          SUNNY     68  56  65 W7        29.95S TC  20
HOQUIAM        CLOUDY    59  56  89 W10       29.96S TC  15
ASTORIA, OR    CLOUDY    61  56  83 W10       29.96R HAZE    TC  16
$$

WAZ019-023-024-040-567>569-210200-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  SUNNY     77  47  34 MISG      30.10S TC  25
TROUTDALE, OR  SUNNY     92  55  28 VRB3      29.84F HX  90  TC  33
HOOD RIVER, OR SUNNY     91  48  22 W6        29.84S TC  33
THE DALLES, OR SUNNY     97  45  16 W10       29.80S HX  93  TC  36
$$

WAZ026-027-041>044-520-521-210200-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           SUNNY     96  38  13 S6        29.87S HX  91  TC  36
WENATCHEE      SUNNY     92  50  23 SE9       29.86S TC  33
ELLENSBURG     SUNNY     94  43  17 MISG      29.90S HX  90  TC  34
YAKIMA         SUNNY     95  45  17 SE6       29.86S HX  91  TC  35
SUNNYSIDE ARPT SUNNY     92  61  35 SE5       29.84F HX  92  TC  33
YAKIMA TC      FAIR      97  42  14 W7        29.83S HX  92  TC  36
$$

WAZ028-034-035-210200-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        SUNNY     93  46  19 VRB6      29.88F TC  34
MOSES LAKE     SUNNY     93  47  20 W3        29.89S TC  34
PASCO          SUNNY     98  31   9 E6        29.83S HX  92  TC  37
RICHLAND ARPT  NOT AVBL
HERMISTON, OR  MOSUNNY   97  39  13 SE5       29.84F HX  92  TC  36
$$

WAZ036>038-210200-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER SUNNY     93  35  13 SW12      29.96S TC  34
SPOKANE FELTS  SUNNY     93  36  13 CALM      29.93S TC  34
FAIRCHILD AFB  SUNNY     93  31  11 SW5       29.95F TC  34
COEURDALENE,ID SUNNY     93  33  12 W9        29.97S TC  34
DEER PARK      SUNNY     92  31  11 VRB3      29.95S TC  33
$$

WAZ029>033-210200-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        SUNNY     91  34  13 NW6       29.99S TC  33
LEWISTON, ID   MOSUNNY   97  37  12 NW12      29.88R HX  92  TC  36
WALLA WALLA    MOSUNNY   96  41  15 NW3       29.88S HX  92  TC  36
PENDLETON, OR  MOSUNNY   95  38  13 N5        29.90S HX  90  TC  35
$$