Regional Weather Roundup
Issued by NWS

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704
ASUS46 KSEW 201220
RWRWA

WASHINGTON REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE SEATTLE WA
500 AM 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>559-201300-
SEATTLE, TACOMA, EVERETT, AND VICINITY

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVERETT        CLEAR     56  54  93 N3        29.99S TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  60;

BOEING FIELD   CLEAR     62  55  77 CALM      29.98S TC  17
6HR MIN TEMP:  62; 6HR MAX TEMP:  67;

RENTON         CLEAR     61  56  83 CALM      29.97S TC  16
6HR MIN TEMP:  61; 6HR MAX TEMP:  71;

SEATAC AIRPORT CLEAR     62  55  77 N8        29.98S TC  17
6HR MIN TEMP:  60; 6HR MAX TEMP:  67;

JBLM-MCCHORD   CLEAR     55  53  91 CALM      29.97  TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  70;

PUYALLUP       PTCLDY    55  55 100 CALM      29.98F TC  13
BREMERTON      CLEAR     55  54  96 CALM      29.99R TC  13
6HR MIN TEMP:  54; 6HR MAX TEMP:  67;

JBLM-FT LEWIS  NOT AVBL
TACOMA NARROWS CLEAR     58  54  86 N3        29.97S TC  14
6HR MIN TEMP:  58; 6HR MAX TEMP:  67;

$$

WAZ001-503-506-510-514-515-201300-
NORTH INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLINGHAM     MOCLDY    57  56  96 CALM      29.97S TC  14
6HR MIN TEMP:  55; 6HR MAX TEMP:  59;

FRIDAY HARBOR  CLEAR     51  50  96 CALM      29.99S TC  11
6HR MIN TEMP:  51; 6HR MAX TEMP:  55;

EASTSOUND      CLEAR     57  57 100 CALM      29.98S TC  14
PORT ANGELES   CLEAR     49  49 100 CALM      29.98F TC   9
6HR MIN TEMP:  49; 6HR MAX TEMP:  53;

EDIZ HOOK      CLEAR     51  51 100 CALM      29.98F TC  11
6HR MIN TEMP:  50; 6HR MAX TEMP:  54;

PORT TOWNSEND  CLEAR     50  50 100 CALM      29.97F TC  10
NAS WHIDBEY    CLEAR     52  51  97 CALM      29.99S TC  11
6HR MIN TEMP:  50; 6HR MAX TEMP:  54;

ARLINGTON      FOG       54  54 100 CALM      29.99S VSB 3/4 TC  12
6HR MIN TEMP:  52; 6HR MAX TEMP:  61;

BURLINGTON     CLEAR     54  54 100 CALM      29.98F FOG     TC  12
$$

WAZ020-022-039-040-504-511-512-201300-
SOUTHWEST INTERIOR

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SHELTON        FOG       55  54  96 W3        29.96S VSB 3/4 TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  62;

OLYMPIA        CLEAR     54  53  97 MISG      29.98S TC  12
6HR MIN TEMP:  54; 6HR MAX TEMP:  67;

CHEHALIS       CLEAR     55  55 100 NE3       29.98S TC  13
KELSO          CLOUDY    61  58  90 N5        29.98S TC  16
6HR MIN TEMP:  61; 6HR MAX TEMP:  65;

VANCOUVER      CLEAR     64  57  78 CALM      29.95S TC  18
6HR MIN TEMP:  62; 6HR MAX TEMP:  74;

SCAPPOOSE, OR  CLEAR     57  55  93 CALM      29.93S TC  14
6HR MIN TEMP:  55; 6HR MAX TEMP:  72;

PORTLAND, OR   CLEAR     64  58  80 CALM      29.94S TC  18
6HR MIN TEMP:  63; 6HR MAX TEMP:  74;

$$

WAZ021-516-517-201300-
WASHINGTON COAST

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORKS          FOG       53  53 100 CALM      29.97S VSB 1/4 TC  12
6HR MIN TEMP:  52; 6HR MAX TEMP:  54;

HOQUIAM        CLOUDY    55  54  96 N6        29.98F TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  57;

ASTORIA, OR    CLOUDY    57  56  96 W5        29.97F FOG     TC  14
6HR MIN TEMP:  57; 6HR MAX TEMP:  59;

$$

WAZ019-023-024-040-567>569-201300-
CASCADE MOUNTAINS AND COLUMBIA GORGE

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
STAMPEDE PASS  CLEAR     56  50  80 MISG      30.08S TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  57;

TROUTDALE, OR  CLEAR     58  54  86 E5        29.94S TC  14
6HR MIN TEMP:  57; 6HR MAX TEMP:  71;

HOOD RIVER, OR CLEAR     54  46  76 CALM      29.92F TC  12
THE DALLES, OR CLEAR     64  48  56 CALM      29.88S TC  18
6HR MIN TEMP:  62; 6HR MAX TEMP:  78;

$$

WAZ026-027-041>044-520-521-201300-
EAST SLOPES

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
OMAK           CLEAR     60  44  55 NW3       29.93S TC  16
6HR MIN TEMP:  59; 6HR MAX TEMP:  76;

WENATCHEE      CLEAR     69  55  60 W7        29.92R TC  21
6HR MIN TEMP:  69; 6HR MAX TEMP:  77;

ELLENSBURG     CLEAR     54  50  86 CALM      29.96R TC  12
6HR MIN TEMP:  54; 6HR MAX TEMP:  73;

YAKIMA         CLEAR     62  51  67 W8        29.92S TC  17
6HR MIN TEMP:  60; 6HR MAX TEMP:  74;

SUNNYSIDE ARPT   N/A     54  52  92 N3        29.90S TC  12
6HR MIN TEMP:  55; 6HR MAX TEMP:  65;

YAKIMA TC      FAIR      67  50  53 E8        29.89R TC  20
6HR MIN TEMP:  64; 6HR MAX TEMP:  78;

$$

WAZ028-034-035-201300-
COLUMBIA BASIN

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EPHRATA        CLEAR     58  45  62 NE6       29.92R TC  14
6HR MIN TEMP:  58; 6HR MAX TEMP:  72;

MOSES LAKE     CLEAR     57  43  59 N9        29.92R TC  14
6HR MIN TEMP:  57; 6HR MAX TEMP:  69;

PASCO          CLEAR     56  51  84 CALM      29.88S TC  13
6HR MIN TEMP:  55; 6HR MAX TEMP:  64;

RICHLAND ARPT  CLEAR     60  58  91 CALM      29.89S TC  16
6HR MIN TEMP:  60; 6HR MAX TEMP:  69;

HERMISTON, OR  CLEAR     57  44  62 SE5       29.89S TC  14
6HR MIN TEMP:  57; 6HR MAX TEMP:  66;

$$

WAZ036>038-201300-
NORTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SPOKANE GEIGER CLEAR     61  42  49 CALM      29.97S TC  16
6HR MIN TEMP:  60; 6HR MAX TEMP:  70;

SPOKANE FELTS  CLEAR     54  44  69 N3        29.97S TC  12
6HR MIN TEMP:  53; 6HR MAX TEMP:  69;

FAIRCHILD AFB  CLEAR     60  41  50 E3        29.97R TC  16
6HR MIN TEMP:  56; 6HR MAX TEMP:  70;

COEURDALENE,ID CLEAR     56  47  71 E3        29.99S TC  13
6HR MIN TEMP:  53; 6HR MAX TEMP:  65;

DEER PARK      CLEAR     46  37  71 CALM      29.97S TC   8
6HR MIN TEMP:  45; 6HR MAX TEMP:  58;

$$

WAZ029>033-201300-
SOUTHEAST WASHINGTON

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PULLMAN        CLEAR     51  32  48 CALM      30.00S TC  11
6HR MIN TEMP:  48; 6HR MAX TEMP:  59;

LEWISTON, ID   CLEAR     63  38  39 CALM      29.94S TC  17
6HR MIN TEMP:  63; 6HR MAX TEMP:  75;

WALLA WALLA    CLEAR     65  32  29 E5        29.91R HAZE    TC  18
6HR MIN TEMP:  63; 6HR MAX TEMP:  73;

PENDLETON, OR  CLEAR     59  30  33 SE6       29.93S HAZE    TC  15
6HR MIN TEMP:  59; 6HR MAX TEMP:  70;

$$