| NWS Forecast for: Upper Slopes of the Eastern Washington Cascades Crest Issued by: National Weather Service Pendleton, OR Last Update: 358 AM PDT Thu Aug 28 2025 |  |
| Today: Partly cloudy. A chance of rain showers in the morning, then a chance of showers and thunderstorms in the afternoon. Haze through the day. Highs in the upper 60s to upper 70s. Chance of precipitation 50 percent. Tonight: Mostly clear. A 20 percent chance of showers and thunderstorms in the evening. Haze through the night. Lows in the 50s. Friday: Partly cloudy in the morning then clearing. Haze. Highs in the mid 70s to mid 80s. Friday Night: Mostly clear. Lows in the mid to upper 50s. Saturday: Partly cloudy. Highs in the lower 70s to lower 80s. Saturday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the 50s. Sunday And Sunday Night: Partly cloudy. Highs in the mid 60s to mid 70s, except in the 70s valleys. Lows in the 50s. Labor Day And Monday Night: Mostly clear. Highs in the upper 60s to upper 70s, except in the upper 70s to lower 80s valleys. Lows in the lower 50s to lower 60s. Tuesday Through Wednesday: Mostly clear. Highs in the mid 70s to mid 80s, except in the 80s valleys. Lows in the mid 50s to lower 60s. | |
| Zone Forecast: Upper Slopes of the Eastern Washington Cascades Crest | |
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