Zone Forecast Product
Issued by NWS Pendleton, OR

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652
FPUS56 KPDT 181448
ZFPPDT

Zone Forecast Product for Northeast Oregon and South Central Washington
National Weather Service Pendleton OR
748 AM PDT Mon Aug 18 2025

ORZ041-WAZ024-182315-
Eastern Columbia River Gorge of Oregon-
Eastern Columbia River Gorge of Washington-
Including the cities of Arlington, The Dalles, and White Salmon
748 AM PDT Mon Aug 18 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
lower to mid 80s. West wind 5 to 15 mph with gusts to around
25 mph.
.TONIGHT...Mostly clear. Lows in the mid 50s to mid 60s. West
wind 5 to 15 mph with gusts to around 25 mph.
.TUESDAY...Sunny. Highs in the mid 80s to lower 90s. West wind
5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s to mid 60s.
West wind 5 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs in the mid to upper 80s. West wind 5 to
15 mph.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the upper 50s to
lower 60s. Highs in the lower 80s to lower 90s.
.THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows in the lower 60s to
lower 70s. Highs in the upper 80s to upper 90s.

$$

WAZ026-182315-
Kittitas Valley-
Including the cities of Ellensburg and Thorp
748 AM PDT Mon Aug 18 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
80s. West wind 5 to 10 mph. Gusts up to 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 50s to lower 60s.
Northwest wind 5 to 15 mph.
.TUESDAY...Partly cloudy in the morning, becoming sunny. Highs in
the 80s. West wind 5 to 10 mph. Gusts up to 20 mph in the
morning.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s.
Northwest wind 5 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs in the 80s. Northwest wind 5 to 15 mph
with gusts to around 25 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the
lower 50s to lower 60s. Highs in the 80s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 80s to
mid 90s. Lows in the upper 50s to upper 60s.

$$

WAZ027-182315-
Yakima Valley-
Including the cities of Naches, Sunnyside, Toppenish, and Yakima
748 AM PDT Mon Aug 18 2025

.TODAY...Mostly cloudy with a 20 percent chance of rain showers
in the morning, then sunny in the afternoon. Highs in the 80s.
West wind 5 to 10 mph. Gusts up to 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the mid to upper 50s. West wind
5 to 15 mph.
.TUESDAY...Sunny. Highs in the mid to upper 80s. Southwest wind
5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid to upper 50s.
Northwest wind 5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs in the mid to upper 80s. Northwest wind
5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
50s to lower 60s. Highs in the 80s.
.FRIDAY THROUGH SUNDAY...Clear. Highs in the upper 80s to upper
90s. Lows in the upper 50s to mid 60s.

$$

WAZ028-182315-
Lower Columbia Basin of Washington-
Including the cities of Connell, Prosser, and Tri-Cities
748 AM PDT Mon Aug 18 2025

.TODAY...Partly cloudy with a 20 percent chance of rain showers
in the morning, then sunny in the afternoon. Highs in the mid 80s
to lower 90s. Southwest wind 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the mid 50s to lower 60s.
Southwest wind 5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 80s to lower 90s. Southwest
wind 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s to lower
60s. Southwest wind 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the mid 80s to lower 90s. Southwest
wind 5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
50s to lower 60s. Highs in the mid 80s to lower 90s.
.FRIDAY THROUGH SUNDAY...Clear. Highs in the 90s. Lows in the
upper 50s to mid 60s.

$$

WAZ029-182315-
Foothills of the Blue Mountains of Washington-
Including the cities of Dayton, Waitsburg, and Walla Walla
748 AM PDT Mon Aug 18 2025

.TODAY...Partly cloudy with a 20 percent chance of rain showers
in the morning, then sunny in the afternoon. Highs in the mid to
upper 80s. Southwest wind 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the upper 50s. Southwest wind
5 to 10 mph.
.TUESDAY...Sunny. Highs in the upper 80s to lower 90s. Southwest
wind 5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 50s to lower
60s. Southwest wind 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the mid to upper 80s. Southwest wind
5 to 15 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
to upper 50s. Highs in the mid 80s to lower 90s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the 90s. Lows in
the mid 50s to mid 60s.

$$

WAZ030-182315-
Northwest Blue Mountains-
Including the city of Ski Bluewood Resort
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. A 20 percent chance of showers and thunderstorms
in the morning. Highs in the lower 70s to lower 80s.
.TONIGHT...Mostly clear. Lows in the 50s.
.TUESDAY...Sunny. Highs in the mid 70s to lower 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the mid to upper 50s.
.WEDNESDAY...Sunny. Highs in the upper 60s to mid 70s, except in
the upper 70s to lower 80s valleys.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
50s to lower 60s. Highs in the upper 60s to mid 70s, except in
the mid 70s to mid 80s valleys.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the lower 80s to
lower 90s. Lows in the upper 50s to upper 60s.

$$

WAZ522-182315-
Upper Slopes of the Eastern Washington Cascades Crest-
Including the cities of Roslyn and Easton
748 AM PDT Mon Aug 18 2025

.TODAY...Mostly cloudy in the morning, becoming partly cloudy.
Highs in the lower 60s to lower 70s.
.TONIGHT...Partly cloudy. Lows in the mid 40s to lower 50s.
.TUESDAY...Mostly cloudy in the morning then clearing. Highs in
the mid 60s to mid 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s.
.WEDNESDAY...Sunny. Highs in the lower 60s to lower 70s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 40s
to lower 50s. Highs in the mid 60s to mid 70s.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows in the lower
50s to lower 60s. Highs in the lower 70s to lower 80s.

$$

WAZ523-182315-
Lower Slopes of the Eastern Washington Cascades Crest-
Including the cities of Appleton, Cle Elum, and Cliffdell
748 AM PDT Mon Aug 18 2025

.TODAY...Mostly cloudy in the morning, becoming partly cloudy.
Highs in the upper 60s to mid 70s, except in the mid 70s to lower
80s valleys. West wind 5 to 10 mph. Gusts up to 25 mph in the
afternoon.
.TONIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. West
wind 5 to 10 mph with gusts to around 25 mph.
.TUESDAY...Partly cloudy in the morning then clearing. Highs in
the lower 70s to lower 80s. West wind 5 to 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s.
West wind 5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs in the 70s, except in the upper 70s to
lower 80s valleys. Northwest wind 5 to 10 mph with gusts to
around 20 mph.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the upper 40s to
mid 50s. Highs in the lower 70s to lower 80s.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Clear. Lows in the mid 50s
to mid 60s. Highs in the upper 70s to upper 80s.
.SATURDAY THROUGH SUNDAY...Mostly clear. Highs in the lower 80s
to lower 90s. Lows in the upper 50s to mid 60s.

$$

WAZ521-182315-
Simcoe Highlands-
Including the cities of Goldendale and Bickleton
748 AM PDT Mon Aug 18 2025

.TODAY...Mostly cloudy in the morning then clearing. Highs in the
upper 70s to mid 80s. Southwest wind 5 to 15 mph in the
afternoon. Gusts up to 25 mph.
.TONIGHT...Mostly clear. Lows in the upper 40s to upper 50s. West
wind 5 to 15 mph with gusts to around 30 mph in the evening,
becoming light.
.TUESDAY...Sunny. Highs in the 80s. Gusts up to 20 mph in the
afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to upper
50s. West wind 5 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs in the lower to mid 80s.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the 50s. Highs in
the upper 70s to upper 80s.
.THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows in the mid 50s to
mid 60s. Highs in the mid 80s to mid 90s.

$$

ORZ044-182315-
Lower Columbia Basin of Oregon-
Including the cities of Boardman, Hermiston, and Ione
748 AM PDT Mon Aug 18 2025

.TODAY...Partly cloudy in the morning then clearing. Highs in the
mid to upper 80s. West wind 5 to 15 mph.
.TONIGHT...Mostly clear. Lows in the lower 60s. Southwest wind
5 to 15 mph.
.TUESDAY...Sunny. Highs in the upper 80s to lower 90s. West wind
5 to 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. West wind
5 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs in the mid to upper 80s. West wind 5 to
15 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the
upper 50s to lower 60s. Highs in the mid 80s to lower 90s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the mid to upper
90s. Lows in the upper 50s to upper 60s.

$$

ORZ049-182315-
Grande Ronde Valley-
Including the cities of Cove, Elgin, La Grande, and Union
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the upper 80s. Light wind, becoming
northwest 5 to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 50s. Northwest wind
5 to 10 mph.
.TUESDAY...Sunny. Highs in the lower 90s. Light wind.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
Northwest wind 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the mid to upper 80s. Northwest wind
5 to 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the
upper 40s to mid 50s. Highs in the mid to upper 80s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the mid to upper
90s. Lows in the lower 50s to lower 60s.

$$

ORZ050-182315-
Wallowa County-
Including the cities of Enterprise, Joseph, and Wallowa
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny with a 20 percent chance of rain showers. Highs in
the mid 70s to lower 80s, except in the lower 80s to lower 90s
valleys. Gusts up to 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the 50s. Gusts up to 20 mph in
the evening.
.TUESDAY...Sunny. Highs in the upper 70s to mid 80s, except in
the mid 80s to lower 90s valleys.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to upper
50s.
.WEDNESDAY...Sunny. Highs in the lower 70s to lower 80s, except
in the 80s valleys.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in
the upper 40s to upper 50s. Highs in the lower 70s to lower 80s,
except in the upper 70s to upper 80s valleys.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 70s to
upper 80s, except in the upper 80s to upper 90s valleys. Lows in
the mid 50s to mid 60s.

$$

ORZ502-182315-
Northern Blue Mountains of Oregon-
Including the cities of Meacham and Tollgate
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the mid 70s to mid 80s.
.TONIGHT...Mostly clear. Lows in the upper 40s to upper 50s.
.TUESDAY...Sunny. Highs in the upper 70s to upper 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the 50s.
.WEDNESDAY...Sunny. Highs in the mid 70s to lower 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the 50s.
Highs in the mid 70s to mid 80s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 80s to
mid 90s. Lows in the mid 50s to mid 60s.

$$

ORZ503-182315-
Southern Blue Mountains of Oregon-
Including the cities of Long Creek, North Powder, and Ukiah
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the upper 70s to mid 80s.
.TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.TUESDAY...Sunny. Highs in the upper 70s to mid 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.WEDNESDAY...Sunny. Highs in the mid 70s to lower 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the
upper 40s to upper 50s. Highs in the mid 70s to mid 80s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the lower 80s to
lower 90s. Lows in the mid 50s to mid 60s.

$$

ORZ505-182315-
John Day Basin-
Including the cities of Dayville, John Day, Mitchell, Monument,
and Spray
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the 80s. Light wind, becoming northwest
5 to 10 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower to mid 50s. Northwest
wind 5 to 10 mph in the evening, becoming light.
.TUESDAY...Sunny. Highs in the mid 80s to lower 90s. Light wind.
.TUESDAY NIGHT...Mostly clear. Lows in the 50s. Northwest wind
5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the 80s. Light wind.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the
lower 50s to lower 60s. Highs in the lower 80s to lower 90s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the 90s. Lows in
the mid 50s to mid 60s.

$$

ORZ506-182315-
Ochoco-John Day Highlands-
Including the cities of Brothers, Paulina, Prairie City,
and Seneca
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the upper 70s to mid 80s. Gusts up to
20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 40s to lower 50s.
Gusts up to 20 mph in the evening.
.TUESDAY...Sunny. Highs in the 80s.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s to lower 80s.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
40s to mid 50s. Highs in the upper 70s to upper 80s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the mid 80s to
mid 90s. Lows in the lower 50s to lower 60s.

$$

ORZ507-182315-
Foothills of the Northern Blue Mountains of Oregon-
Including the cities of Athena, Pendleton, and Pilot Rock
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the mid to upper 80s. West wind 5 to
10 mph.
.TONIGHT...Mostly clear. Lows in the mid to upper 50s. West wind
5 to 10 mph.
.TUESDAY...Sunny. Highs in the mid to upper 80s. West wind 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid to upper 50s. West
wind 5 to 10 mph.
.WEDNESDAY...Sunny. Highs in the mid to upper 80s. West wind 5 to
10 mph with gusts to around 20 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
50s to lower 60s. Highs in the mid 80s to lower 90s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the 90s. Lows in
the upper 50s to upper 60s.

$$

ORZ508-182315-
Foothills of the Southern Blue Mountains of Oregon-
Including the cities of Heppner, Condon, and Fossil
748 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs in the lower to mid 80s. West wind 5 to
10 mph with gusts to around 20 mph.
.TONIGHT...Mostly clear. Lows in the mid to upper 50s. West wind
5 to 15 mph.
.TUESDAY...Sunny. Highs in the lower to mid 80s. West wind 5 to
10 mph.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s.
West wind 5 to 15 mph.
.WEDNESDAY...Sunny. Highs in the lower to mid 80s. West wind 5 to
15 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the mid
50s to lower 60s. Highs in the 80s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the upper 80s to
mid 90s. Lows in the 60s.

$$

ORZ510-182315-
North Central Oregon-
Including the cities of Dufur, Maupin, and Moro
748 AM PDT Mon Aug 18 2025

.TODAY...Partly cloudy in the morning then clearing. Highs in the
upper 70s to lower 80s. Northwest wind 5 to 10 mph. Gusts up to
20 mph in the afternoon.
.TONIGHT...Partly cloudy. Lows in the 50s. Northwest wind 5 to
15 mph with gusts to around 25 mph.
.TUESDAY...Sunny. Highs in the lower to mid 80s. Light wind,
becoming northwest 5 to 10 mph in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows in the 50s. Northwest wind
5 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs in the lower to mid 80s. West wind 5 to
10 mph with gusts to around 20 mph.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the 50s. Highs in
the upper 70s to upper 80s.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows in the upper
50s to mid 60s. Highs in the mid 80s to mid 90s.

$$

ORZ511-182315-
Central Oregon-
Including the cities of Bend, Madras, Prineville, and Redmond
748 AM PDT Mon Aug 18 2025

.TODAY...Partly cloudy in the morning then clearing. Highs in the
lower to mid 80s. Light wind, becoming northwest 5 to 10 mph with
gusts to around 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the upper 40s to lower 50s.
Northwest wind 5 to 15 mph in the evening, becoming light.
.TUESDAY...Sunny. Highs in the mid to upper 80s. Light wind.
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
Northwest wind 5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs in the lower to mid 80s. Light wind.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Clear. Lows in the 50s.
Highs in the lower 80s to lower 90s.
.FRIDAY THROUGH SUNDAY...Mostly clear. Highs in the lower to mid
90s. Lows in the lower 50s to lower 60s.

$$

ORZ509-182315-
East Slopes of the Oregon Cascades-
Including the cities of Camp Sherman, La Pine, Sisters,
and Sunriver
748 AM PDT Mon Aug 18 2025

.TODAY...Partly cloudy. Highs in the upper 60s to upper 70s,
except in the mid 70s to lower 80s valleys.
.TONIGHT...Mostly clear. Lows in the lower 40s to lower 50s.
Gusts up to 20 mph in the evening.
.TUESDAY...Sunny. Highs in the lower 70s to lower 80s, except in
the lower to mid 80s valleys.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 60s to upper 70s, except
in the upper 70s to lower 80s valleys.
.WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the mid 40s to
lower 50s. Highs in the lower 70s to lower 80s.
.THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows in the lower
50s to lower 60s. Highs in the lower 80s to lower 90s.

$$