Regional Weather Roundup
Issued by NWS Spokane, WA

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136
ASUS46 KOTX 200657
RWROTX

Eastern Washington/Northern Idaho Roundup
National Weather Service, Spokane WA
1200 AM PDT THU AUG 20 2026

Note: "fair" indicated few or no clouds below 12,000 feet with no
significant weather and/or obstructions to visibility.

...Northeast Washington and Northern Idaho Panhandle...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Spokane Intl   CLEAR     67  31  26 CALM      29.97R
Spokane Downto CLEAR     62  42  47 CALM      29.96R
Deer Park      CLEAR     55  39  54 N5        29.96S

...Southeast Washington and southern Idaho Panhandle...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Walla Walla    CLEAR     70  29  21 E7        29.89S HAZE
Pullman/Moscow CLEAR     56  31  38 CALM      29.99S
Lowell           N/A     59  51  75 CALM      30.00R

...Columbia Basin...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Ephrata        CLEAR     71  43  36 N6        29.89S
Moses Lake     CLEAR     63  48  58 N5        29.89F
Pasco          PTCLDY    63  57  81 N5        29.86R
Hermiston      PTCLDY    65  43  44 SE3       29.86S
Pendleton      CLEAR     65  35  33 E8        29.91S

...East Slopes Cascades...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
The Dalles     PTCLDY    76  52  43 W7        29.86S
Yakima         CLEAR     70  51  51 W7        29.89S
Ellensburg     CLEAR     71  53  52 NW15      29.93S
Omak           CLEAR     69  45  41 W3        29.90S
Sunnyside      PTCLDY    63  56  76 CALM      29.87S

...Southern British Columbia...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS

...Western Montana...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Missoula       CLEAR     63  41  44 NE3       30.05R

...Neighboring Cities...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Seattle        CLEAR     65  55  70 NW3       29.97S
Portland       PTCLDY    72  59  63 N3        29.92S
Boise          CLEAR     77  34  21 SE3       29.92F
Great Falls    CLEAR     63  45  51 SW5       30.05S