FPUS56 KOTX 180706 ZFPOTX Zone Forecast Product for Eastern Washington and North Idaho National Weather Service Spokane WA 1205 AM PDT Mon May 18 2026 IDZ001-WAZ037-181100- 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 1205 AM PDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING... .REST OF TONIGHT...Partly cloudy with a 20 percent chance of rain showers. Areas of fog and frost. Snow level 5500 feet. Lows in the mid 30s to lower 40s. .MONDAY...Areas of fog and frost in the morning. Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the 60s. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Lows in the upper 30s to lower 40s. Chance of precipitation 50 percent. .TUESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs in the mid 60s to lower 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the 40s. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 60s to upper 70s. Lows in the 40s. $$ IDZ002-WAZ036-181100- Coeur d'Alene Area-Spokane Area- Including the cities of Coeur d'Alene, Post Falls, Hayden, Worley, Spokane, Cheney, Davenport, and Rockford 1205 AM PDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING... .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the mid to upper 30s. Light wind. .MONDAY...Partly cloudy. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the 60s. Light wind, becoming west 5 to 10 mph in the afternoon. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s to lower 40s. Southwest wind 5 to 10 mph in the evening, becoming light and variable. .TUESDAY...Partly cloudy. Highs in the mid 60s to lower 70s. Southwest wind 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. Southwest wind 5 to 10 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 60s to lower 70s. .WEDNESDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows in the lower 40s to lower 50s. Highs in the 70s. $$ IDZ003-WAZ033-181100- Idaho Palouse-Washington Palouse- Including the cities of Moscow, Plummer, Potlatch, Genesee, Pullman, Colfax, Rosalia, La Crosse, Oakesdale, Tekoa, and Uniontown 1205 AM PDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING... .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain showers. Patchy fog. Lows in the mid 30s to lower 40s. Light wind. .MONDAY...Partly cloudy. Highs in the 60s. Southwest wind 5 to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s to lower 40s. South wind 5 to 10 mph. .TUESDAY...Partly cloudy. Highs in the mid 60s to lower 70s. Southwest wind 5 to 15 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the 40s. South wind 5 to 10 mph. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 60s to upper 70s. Lows in the lower 40s to lower 50s. $$ IDZ004-181100- Central Panhandle Mountains- Including the cities of Kellogg, St Maries, Pinehurst, Osburn, Wallace, Mullan, Lookout Pass, and Fernwood 1205 AM PDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING... .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain showers. Widespread frost and patchy fog. Snow level 5000 feet. Lows in the mid to upper 30s. .MONDAY...Areas of frost in the morning. Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 50s to mid 60s. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Areas of frost overnight. Lows in the upper 30s to lower 40s. Chance of precipitation 40 percent. .TUESDAY...Partly cloudy. Highs in the 60s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the mid 60s to mid 70s. Lows in the 40s. $$ IDZ026-WAZ032-181100- Lewiston Area-Lower Garfield and Asotin Counties- Including the cities of Lewiston, Lapwai, Peck, Culdesac, Gifford, Clarkston, and Pomeroy 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows in the upper 30s to lower 40s. .MONDAY...Partly cloudy. Highs in the 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. .TUESDAY...Partly cloudy. Warmer. Highs in the mid 60s to lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the 40s. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 60s to upper 70s. Lows in the lower 40s to lower 50s. $$ IDZ027-181100- Lewis and Southern Nez Perce Counties- Including the cities of Kamiah, Craigmont, Nezperce, and Winchester 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain showers. Areas of frost and patchy fog. Lows in the lower 30s to lower 40s. .MONDAY...Partly cloudy. Areas of frost in the morning. A chance of rain showers in the afternoon. Highs in the upper 50s to mid 60s. Chance of precipitation 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s. .TUESDAY...Partly cloudy. Highs in the 60s. .TUESDAY NIGHT...Partly cloudy. Lows in the 40s. .WEDNESDAY THROUGH FRIDAY NIGHT...Partly cloudy. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 60s to upper 70s. Lows in the mid 40s to lower 50s. $$ WAZ031-181100- Northeast Blue Mountains- Including the cities of Anatone and Peola 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows in the mid 30s to lower 40s. .MONDAY...Partly cloudy in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the mid 50s to mid 60s. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Partly cloudy. Warmer. Highs in the upper 50s to upper 60s. .TUESDAY NIGHT...Partly cloudy. Lows in the 40s. .WEDNESDAY THROUGH FRIDAY NIGHT...Partly cloudy. Highs in the lower 60s to lower 70s. Lows in the mid 40s to lower 50s. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 60s to mid 70s. Lows in the upper 40s to lower 50s. $$ WAZ034-035-181100- Moses Lake Area-Upper Columbia Basin- Including the cities of Moses Lake, Ephrata, Othello, Quincy, Ritzville, Grand Coulee, Odessa, Wilbur, and Coulee City 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Partly cloudy. Lows in the upper 30s to mid 40s. Northeast wind 5 to 10 mph with gusts up to 20 mph. .MONDAY...Partly cloudy in the morning, becoming sunny. Highs in the upper 60s to lower 70s. East wind 5 to 10 mph shifting to the southwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. West wind 5 to 10 mph with gusts up to 25 mph. .TUESDAY...Partly cloudy. Highs in the lower to mid 70s. Southwest wind 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid to upper 40s. West wind 5 to 15 mph with gusts up to 30 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid to upper 70s. Lows in the mid 40s to lower 50s. .THURSDAY THROUGH SUNDAY...Partly cloudy. Highs in the mid 70s to lower 80s. Lows in the upper 40s tolower 50s. $$ WAZ038-181100- Okanogan Highlands- Including the cities of Republic, Inchelium, and Wauconda 1205 AM PDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING... .REST OF TONIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .MONDAY...Partly cloudy. A chance of rain showers in the afternoon. Highs in the lower 60s to lower 70s. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Lows in the upper 30s to mid 40s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. Highs in the mid 60s to lower 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the 40s. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the 70s. Lows in the mid 40s to mid 50s. $$ WAZ041-044-181100- Wenatchee Area-Waterville Plateau- Including the cities of Wenatchee, Chelan, Entiat, Cashmere, Waterville, and Mansfield 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Partly cloudy. Lows in the lower to mid 40s. .MONDAY...Mostly cloudy in the morning, becoming partly cloudy. Highs in the mid 60s to lower 70s. Gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 40s. West wind 5 to 15 mph with gusts up to 25 mph. .TUESDAY...Partly cloudy. Highs in the upper 60s to mid 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s to lower 50s. West wind 5 to 15 mph with gusts up to 35 mph. .WEDNESDAY THROUGH SUNDAY...Windy. Partly cloudy. Highs in the lower 70s to lower 80s. Lows in the mid 40s to lower 50s. $$ WAZ043-181100- Okanogan Valley- Including the cities of Omak, Okanogan, Brewster, Bridgeport, Oroville, Nespelem, and Tonasket 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Partly cloudy. Lows in the lower to mid 40s. .MONDAY...Mostly cloudy in the morning, becoming partly cloudy. Highs in the mid 60s to lower 70s. Gusts up to 20 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the 40s. Gusts up to 20 mph in the evening. .TUESDAY...Partly cloudy. Highs in the upper 60s to mid 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s to lower 50s. Northwest wind 5 to 15 mph with gusts up to 30 mph. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the lower 70s to lower 80s. Lows in the upper 40s to mid 50s. $$ WAZ047-181100- Central Chelan County- Including the cities of Leavenworth, Plain, and Lake Wenatchee 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Partly cloudy. Lows in the upper 30s to upper 40s. .MONDAY...Mostly cloudy in the morning, then partly cloudy with a chance of rain showers in the afternoon. Snow level 6000 feet in the afternoon. Highs in the lower 60s to lower 70s. Chance of precipitation 20 percent. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s to upper 40s. Northwest wind 5 to 15 mph in the evening, becoming light and variable. In the mountains, northwest wind 15 to 25 mph. Gusts up to 25 mph. .TUESDAY...Partly cloudy. Highs in the lower 60s to lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 40s to lower 50s. Northwest wind 5 to 15 mph with gusts up to 30 mph. .WEDNESDAY THROUGH SATURDAY...Mostly clear. Highs in the upper 60s to upper 70s. Lows in the lower 40s to lower 50s. .SATURDAY NIGHT...Breezy. Partly cloudy. Lows in the 40s. .SUNDAY...Partly cloudy. Highs in the mid 60s to mid 70s. $$ WAZ048-181100- Western Chelan County- Including the cities of Stevens Pass, Holden Village, and Stehekin 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Mostly cloudy. Widespread frost. Lows in the upper 30s to upper 40s. .MONDAY...Mostly cloudy in the morning, becoming partly cloudy. Highs in the upper 50s to upper 60s. .MONDAY NIGHT...Partly cloudy. Areas of frost overnight. Lows in the upper 30s to upper 40s. Gusts up to 30 mph decreasing to 20 mph overnight. .TUESDAY...Mostly cloudy. Highs in the upper 50s to upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 40s to lower 50s. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the mid 60s to mid 70s. Lows in the lower 40s to lower 50s. $$ WAZ049-181100- Western Okanogan County- Including the cities of Mazama, Winthrop, Twisp, Methow, and Conconully 1205 AM PDT Mon May 18 2026 .REST OF TONIGHT...Partly cloudy. Widespread frost. Lows in the upper 30s to mid 40s. .MONDAY...Mostly cloudy. A chance of rain and mountain snow showers in the afternoon. Snow level 6000 feet. Highs in the mid 60s to lower 70s. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Widespread frost overnight. Snow level 6000 feet. Lows in the upper 30s to mid 40s. Gusts up to 25 mph in the evening. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy. Highs in the mid 60s to lower 70s. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 40s to lower 50s. Northwest wind 5 to 15 mph with gusts up to 35 mph. .WEDNESDAY THROUGH SUNDAY...Partly cloudy. Highs in the lower 70s to lower 80s. Lows in the lower 40s to lower 50s. $$