Expires:202512221200;;994527 FPUS56 KPDT 212256 ZFPPDT Zone Forecast Product for Northeast Oregon and South Central Washington National Weather Service Pendleton OR 255 PM PST Sun Dec 21 2025 WAZ522-221200- Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 255 PM PST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... .TONIGHT...Mountain snow in the evening, then mountain snow likely overnight. Mountain snow accumulation of 2 to 5 inches. Lows in the lower to mid 20s. Chance of precipitation near 100 percent. .MONDAY...Partly sunny. A chance of snow. Highs in the upper 20s to mid 30s. Gusts up to 20 mph increasing to 30 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Snow in the evening, then snow likely overnight. Snow accumulation of 2 to 4 inches. Lows in the lower to mid 20s. South wind 5 to 15 mph in the evening, becoming light. Gusts up to 30 mph. Chance of precipitation near 100 percent. .TUESDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the upper 20s to mid 30s. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows in the lower to mid 20s. .WEDNESDAY...Snow. Light snow accumulations. Highs in the upper 20s to mid 30s. Chance of precipitation 90 percent. .WEDNESDAY NIGHT AND CHRISTMAS DAY...Mostly cloudy with a 50 percent chance of snow. Lows 18 to 22. Highs in the upper 20s to lower 30s. .THURSDAY NIGHT...Snow likely. Light snow accumulations. Lows in the lower to mid 20s. Chance of precipitation 70 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Highs in the mid 20s to mid 30s. Lows 19 to 24. .SATURDAY...Mostly cloudy with a 20 percent chance of snow. Highs in the upper 20s to mid 30s. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 40 percent chance of snow. Lows in the lower to mid 20s. Highs in the 30s. $$