Zone Forecast Product
Issued by NWS Spokane, WA

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543
FPUS56 KOTX 211641
ZFPOTX

Zone Forecast Product for Eastern Washington and North Idaho
National Weather Service Spokane WA
940 AM PDT Fri Aug 21 2026

IDZ001-WAZ037-212300-
Northern Panhandle-Northeast Mountains-
Including the cities of Sandpoint, Rathdrum, Bonners Ferry,
Priest River, Clark Fork, Eastport, Colville, Deer Park,
Chewelah, Newport, Kettle Falls, Ione, Metaline Falls, Metaline,
Tiger, and Fruitland
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Partly cloudy. Haze and patchy smoke. Highs in
the 90s.
.TONIGHT...Mostly cloudy. Haze and patchy smoke. Lows in the
upper 50s to upper 60s.
.SATURDAY...Mostly cloudy in the morning then clearing. Haze and
patchy smoke in the morning. A 20 percent chance of rain showers.
Highs in the lower to mid 90s.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the 50s. Chance of precipitation
50 percent.
.SUNDAY...Sunny. Not as warm. Highs in the mid 70s to lower 80s.
.SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the
upper 40s to upper 50s. Highs in the lower 80s to lower 90s.
.THURSDAY...Partly cloudy. Highs in the upper 70s to lower 80s.

$$

IDZ002-WAZ036-212300-
Coeur d`Alene Area-Spokane Area-
Including the cities of Coeur d`Alene, Post Falls, Hayden,
Worley, Spokane, Cheney, Davenport, and Rockford
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Hot. Partly cloudy. Highs in the mid to upper
90s. Light wind, becoming northeast 5 to 10 mph in the afternoon.
.TONIGHT...Cloudy. Haze and patchy smoke. Lows in the mid 60s to
lower 70s. Northeast wind 5 to 10 mph in the evening, becoming
light and variable.
.SATURDAY...Hot. Partly cloudy in the morning then clearing. Haze
and patchy smoke in the morning. Highs in the lower to mid 90s.
Northeast wind 5 to 10 mph shifting to the south with gusts up to
25 mph in the afternoon.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 50s to lower 60s. Southwest wind
5 to 15 mph with gusts up to 30 mph. Chance of precipitation
50 percent.
.SUNDAY...Sunny. Not as warm. Highs in the upper 70s to lower
80s. Southwest wind 5 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower to mid 50s.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the mid to
upper 80s. Lows in the 50s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
90s. Lows in the lower 50s to lower 60s.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the 80s.
Lows in the lower 50s to lower 60s.

$$

IDZ003-WAZ033-212300-
Idaho Palouse-Washington Palouse-
Including the cities of Moscow, Plummer, Potlatch, Genesee,
Pullman, Colfax, Rosalia, La Crosse, Oakesdale, Tekoa,
and Uniontown
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Very hot. Partly cloudy. Highs 97 to 104. East
wind 5 to 10 mph.
.TONIGHT...Cloudy. Lows in the lower 60s to lower 70s. Northeast
wind 5 to 10 mph in the evening, becoming light and variable.
.SATURDAY...Hot. Partly cloudy in the morning then clearing.
Highs in the lower to mid 90s. East wind 5 to 10 mph shifting to
the southwest with gusts up to 20 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy with a 40 percent chance of rain
showers. Lows in the 50s. Southwest wind 5 to 15 mph with gusts
up to 25 mph.
.SUNDAY...Sunny. Not as hot. Highs in the upper 70s to mid 80s.
Southwest wind 5 to 15 mph with gusts up to 20 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to lower 50s.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s to mid 90s. Lows in the upper 40s to upper 50s.
.THURSDAY...Partly cloudy. Highs in the upper 70s to mid 80s.

$$

IDZ004-212300-
Central Panhandle Mountains-
Including the cities of Kellogg, St Maries, Pinehurst, Osburn,
Wallace, Mullan, Lookout Pass, and Fernwood
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Hot. Sunny in the morning, becoming partly
cloudy. Highs 96 to 101.
.TONIGHT...Mostly cloudy. A chance of rain showers overnight.
Lows in the 60s. Chance of precipitation 20 percent.
.SATURDAY...Mostly cloudy with a chance of rain showers in the
morning, then partly cloudy in the afternoon. Highs in the lower
to mid 90s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the 50s. Chance of precipitation
50 percent.
.SUNDAY...Sunny. Not as warm. Highs in the upper 70s to lower
80s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows in the
upper 40s to mid 50s. Highs in the mid to upper 80s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the upper 80s
to lower 90s. Lows in the 50s.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the 80s.
Lows in the 50s.
.THURSDAY...Partly cloudy. Highs in the lower 80s.

$$

IDZ026-WAZ032-212300-
Lewiston Area-Lower Garfield and Asotin Counties-
Including the cities of Lewiston, Lapwai, Peck, Culdesac,
Gifford, Clarkston, and Pomeroy
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Very hot. Sunny in the morning, becoming partly
cloudy. Haze and patchy smoke in the afternoon. Highs 96 to 105.
.TONIGHT...Mostly cloudy. Haze and patchy smoke overnight. Lows
in the upper 60s to lower 70s.
.SATURDAY...Hot. Partly cloudy. A chance of showers in the
afternoon. Highs 90 to 100. West wind 5 to 15 mph with gusts up
to 20 mph in the afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 50s to lower 60s. West wind 5 to
15 mph with gusts up to 35 mph. Chance of precipitation
40 percent.
.SUNDAY...Sunny. Highs in the upper 70s to upper 80s.
.SUNDAY NIGHT AND MONDAY...Clear. Lows in the 50s. Highs in the
mid 80s to lower 90s.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
upper 50s to mid 60s. Highs in the lower to mid 90s.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s to lower 90s. Lows in the mid 50s to mid 60s.
.THURSDAY...Partly cloudy. Highs in the lower to mid 80s.

$$

IDZ027-212300-
Lewis and Southern Nez Perce Counties-
Including the cities of Kamiah, Craigmont, Nezperce,
and Winchester
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Very hot. Partly cloudy. Highs 94 to 103.
.TONIGHT...Mostly cloudy. Haze and patchy smoke. A chance of
showers overnight. Lows in the mid 60s to lower 70s. Chance of
precipitation 20 percent.
.SATURDAY...Hot. Haze and patchy smoke in the morning. Partly
cloudy in the morning, then mostly cloudy with a chance of
showers in the afternoon. Highs in the 90s. Gusts up to 20 mph in
the afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 50s to lower 60s. West wind 5 to
15 mph with gusts up to 25 mph. Chance of precipitation
40 percent.
.SUNDAY...Sunny. Highs in the upper 70s to upper 80s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the 50s. Highs
in the mid 80s to lower 90s.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
mid 50s to mid 60s. Highs in the upper 80s to mid 90s.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs in the 80s.
Lows in the mid 50s to mid 60s.
.THURSDAY...Sunny. Highs in the upper 70s to mid 80s.

$$

WAZ031-212300-
Northeast Blue Mountains-
Including the cities of Anatone and Peola
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Hot. Haze and patchy smoke in the morning.
Partly cloudy. Highs 91 to 100.
.TONIGHT...Mostly cloudy. A chance of showers overnight. Haze and
patchy smoke overnight. Lows in the lower to mid 70s. Chance of
precipitation 20 percent.
.SATURDAY...Haze and patchy smoke in the morning. Partly cloudy
in the morning, then mostly cloudy with a chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s to mid 90s.
Northwest wind 5 to 15 mph in the afternoon. Chance of
precipitation 40 percent. Rainfall amounts less than a tenth of
an inch, except higher amounts possible in thunderstorms.
.SATURDAY NIGHT...Partly cloudy with a 40 percent chance of rain
showers. Lows in the upper 50s to lower 60s. West wind 5 to
15 mph with gusts up to 35 mph.
.SUNDAY...Sunny. Highs in the mid 70s to mid 80s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid to upper
50s. Highs in the 80s.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
lower to mid 60s. Highs in the mid 80s to lower 90s.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 70s
to mid 80s. Lows in the upper 50s to mid 60s.

$$

WAZ034-035-212300-
Moses Lake Area-Upper Columbia Basin-
Including the cities of Moses Lake, Ephrata, Othello, Quincy,
Ritzville, Grand Coulee, Odessa, Wilbur, and Coulee City
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Hot. Partly cloudy in the morning, becoming
mostly cloudy. Highs 96 to 102. Northeast wind 5 to 10 mph.
.TONIGHT...Cloudy. Haze and patchy smoke. Lows in the upper 60s
to lower 70s. North wind 5 to 10 mph.
.SATURDAY...Partly cloudy in the morning then clearing. Haze and
patchy smoke in the morning. Highs in the lower to mid 90s.
Northeast wind 5 to 10 mph shifting to the south with gusts up to
35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows in the mid 50s to lower 60s. Southwest wind 5 to
15 mph with gusts up to 35 mph.
.SUNDAY...Sunny. Not as hot. Highs in the lower to mid 80s.
Southwest wind 5 to 15 mph with gusts up to 25 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the 50s.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid
80s to mid 90s. Lows in the lower 50s to lower 60s.
.THURSDAY...Sunny. Highs in the lower to mid 80s.

$$

WAZ038-212300-
Okanogan Highlands-
Including the cities of Republic, Inchelium, and Wauconda
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Partly cloudy. Haze and patchy smoke. Highs in
the 90s.
.TONIGHT...Cloudy. Haze and patchy smoke. Lows in the lower 60s
to lower 70s.
.SATURDAY...Partly cloudy. Haze and patchy smoke in the morning.
A chance of showers and thunderstorms in the afternoon. Highs in
the upper 80s to mid 90s. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 50s to lower 60s. Chance of
precipitation 20 percent.
.SUNDAY...Partly cloudy with a chance of showers and
thunderstorms. Not as warm. Highs in the upper 70s to lower 80s.
Chance of precipitation 50 percent.
.SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the lower 50s to lower 60s. Highs in the lower 80s to lower 90s.
.THURSDAY...Sunny. Highs in the upper 70s to lower 80s.

$$

WAZ041-044-212300-
Wenatchee Area-Waterville Plateau-
Including the cities of Wenatchee, Chelan, Entiat, Cashmere,
Waterville, and Mansfield
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Mostly cloudy. Haze and patchy smoke. Highs in
the 90s.
.TONIGHT...Cloudy. Haze and patchy smoke. A chance of showers
overnight. Lows in the lower to mid 70s. Chance of precipitation
20 percent.
.SATURDAY...Mostly cloudy in the morning then clearing. Haze and
patchy smoke in the morning. A 20 percent chance of showers.
Highs in the upper 80s to mid 90s. South wind 5 to 15 mph with
gusts up to 35 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower
60s. West wind 5 to 15 mph with gusts up to 35 mph.
.SUNDAY...Sunny. Highs in the upper 70s to mid 80s. West wind
5 to 15 mph with gusts up to 20 mph.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the mid 50s
to lower 60s. Highs in the lower 80s to lower 90s.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower
to mid 60s. Highs in the 80s.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the 50s.
Highs in the upper 70s to lower 80s.

$$

WAZ043-212300-
Okanogan Valley-
Including the cities of Omak, Okanogan, Brewster, Bridgeport,
Oroville, Nespelem, and Tonasket
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Partly cloudy in the morning, becoming mostly
cloudy. Areas of smoke in the morning. Haze. Patchy smoke in the
afternoon. Highs in the 90s.
.TONIGHT...Cloudy. Haze and patchy smoke. Lows in the lower to
mid 70s.
.SATURDAY...Partly cloudy. Haze and patchy smoke. A chance of
showers and thunderstorms in the afternoon. Highs in the upper
80s to mid 90s. South wind 5 to 15 mph with gusts up to 30 mph in
the afternoon. Chance of precipitation 20 percent.
.SATURDAY NIGHT...Partly cloudy with a 50 percent chance of rain
showers. Lows in the upper 50s to lower 60s. Southwest wind 5 to
15 mph with gusts up to 35 mph.
.SUNDAY...Sunny with a 50 percent chance of rain showers. Highs
in the upper 70s to mid 80s.
.SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows in
the mid 50s to lower 60s. Highs in the lower 80s to lower 90s.
.THURSDAY...Sunny. Highs in the upper 70s to mid 80s.

$$

WAZ047-212300-
Central Chelan County-
Including the cities of Leavenworth, Plain, and Lake Wenatchee
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Mostly cloudy. Haze and patchy smoke. Highs in
the upper 80s to mid 90s.
.TONIGHT...Cloudy. Haze and patchy smoke. A chance of rain
showers overnight. Lows in the lower 60s to lower 70s. Chance of
precipitation 20 percent.
.SATURDAY...Haze and patchy smoke in the morning. Mostly cloudy
with a chance of rain showers. A chance of thunderstorms in the
afternoon. Highs in the lower 80s to lower 90s. Gusts up to
25 mph in the afternoon. Chance of precipitation 50 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows in the lower 50s to lower 60s. Northwest wind 5 to
15 mph with gusts up to 30 mph.
.SUNDAY...Sunny. Highs in the lower 70s to lower 80s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the 50s. Highs
in the upper 70s to upper 80s.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
mid 50s to mid 60s. Highs in the lower 80s to lower 90s.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the lower
70s to lower 80s. Lows in the lower 50s to lower 60s.

$$

WAZ048-212300-
Western Chelan County-
Including the cities of Stevens Pass, Holden Village,
and Stehekin
940 AM PDT Fri Aug 21 2026

.REST OF TODAY...Partly cloudy in the morning, becoming mostly
cloudy. Haze and patchy smoke. Highs in the upper 80s to upper
90s.
.TONIGHT...Cloudy. Haze and patchy smoke in the evening. A chance
of rain showers overnight. Lows in the mid 60s to mid 70s. Chance
of precipitation 20 percent.
.SATURDAY...Haze and patchy smoke in the morning. Mostly cloudy
with a chance of rain showers. A chance of thunderstorms in the
afternoon. Highs in the lower 80s to lower 90s. Chance of
precipitation 50 percent. Rainfall amounts less than a tenth of
an inch, except higher amounts possible in thunderstorms.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 50s to mid 60s. West wind 5 to
15 mph with gusts up to 30 mph. Chance of precipitation
50 percent.
.SUNDAY...Partly cloudy. Highs in the upper 60s to upper 70s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the 50s. Highs
in the 80s.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the
upper 50s to mid 60s. Highs in the 80s.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the lower
70s to lower 80s. Lows in the lower 50s to lower 60s.

$$

WAZ049-212300-
Western Okanogan County-
Including the cities of Mazama, Winthrop, Twisp, Methow,
and Conconully
940 AM PDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

.REST OF TODAY...Partly cloudy in the morning, becoming mostly
cloudy. Haze and patchy smoke. Highs in the lower to mid 90s.
.TONIGHT...Cloudy. Haze and patchy smoke. A chance of rain
showers overnight. Lows in the upper 60s to lower 70s. Chance of
precipitation 20 percent.
.SATURDAY...Mostly cloudy. Haze and patchy smoke in the morning.
A chance of rain showers in the morning, then a chance of showers
and thunderstorms in the afternoon. Highs in the upper 80s to
lower 90s. South wind 5 to 15 mph with gusts up to 25 mph in the
afternoon. Chance of precipitation 50 percent. Rainfall amounts
less than a tenth of an inch, except higher amounts possible in
thunderstorms.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 50s to lower 60s. Chance of
precipitation 50 percent.
.SUNDAY...Partly cloudy with a 50 percent chance of rain showers.
Highs in the upper 70s to lower 80s.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the 50s. Highs
in the 80s.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the
mid 50s to lower 60s. Highs in the mid 80s to lower 90s.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs in the upper
70s to mid 80s. Lows in the lower 50s to lower 60s.

$$