Regional Weather Roundup
Issued by NWS Spokane, WA

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283
ASUS46 KOTX 181310
RWROTX

Eastern Washington/Northern Idaho Roundup
National Weather Service, Spokane WA
600 AM PDT TUE AUG 18 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   MOCLDY    65  44  46 S7        30.01R
Spokane Downto MOCLDY    63  47  55 VRB5      30.01R
Coeur d Alene  MOCLDY    67  51  56 S10       30.02S
Deer Park      MOCLDY    57  41  55 NE3       30.01S
Sandpoint      MOCLDY    54  46  76 CALM      30.02S
Bonners Ferry  PTCLDY    59  46  63 CALM      30.03R

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

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Walla Walla    CLEAR     70  46  42 CALM      30.01R
Pullman/Moscow PTCLDY    56  41  57 CALM      30.07R
Lewiston       CLEAR     67  43  41 S5        30.00R
Lowell           N/A     59  58  96 CALM      30.06R
Grangeville    CLEAR     55  45  67 S5        30.10R

...Columbia Basin...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Ephrata        PTCLDY    71  42  35 N6        29.95S
Moses Lake     PTCLDY    61  53  75 SE6       29.96R
Pasco          CLEAR     70  49  47 S10       29.97R
Richland       CLEAR     66  52  59 CALM      29.97R
Hermiston      CLEAR     69  43  38 S9        29.99S
Pendleton      CLEAR     61  46  57 SE6       30.04R

...East Slopes Cascades...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
The Dalles     CLEAR     61  43  51 VRB6      30.01R
Yakima         CLEAR     64  52  64 SW3       30.00R
Ellensburg     PTCLDY    65  53  65 NW24G32   30.02R
Stampede Pass  FOG       52  52 100 MISG      30.18S VSB 3/4
Wenatchee      PTCLDY    71  49  45 NW13      29.98R
Winthrop         N/A    N/A N/A N/A MISG        N/A
Omak           MOCLDY    66  48  52 N3        29.96R
Sunnyside      CLEAR     54  52  93 CALM      29.98R

...Southern British Columbia...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Penticton        N/A     66  48  52 CALM      29.97R SMOKE
Castlegar      MOCLDY    57  48  72 CALM      30.01
Cranbrook      MOCLDY    52  43  71 SW2       30.05S
Osoyoos          N/A     64  55  72 NE1         N/A
Creston          N/A     61  46  59 N2          N/A

...Western Montana...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Kalispell      PTCLDY    53  50  89 CALM      30.05S
Missoula       MOCLDY    56  54  93 CALM      30.10R

...Neighboring Cities...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Seattle        MOCLDY    58  56  93 S5        30.12S
Portland       MOCLDY    60  57  89 N5        30.13R
Boise          MOCLDY    67  51  56 VRB3      30.04R
Great Falls    PTCLDY    54  51  90 SW7       30.07S
Calgary        PTCLDY    50  46  87 SW3       30.00S