| NWS Forecast for: East Slopes of the Oregon Cascades Issued by: National Weather Service Pendleton, OR Last Update: 402 AM PDT Mon Jul 20 2026 | |
| Today: Cloudy. A 20 percent chance of rain showers in the morning. Areas of smoke in the morning, then patchy smoke in the afternoon. Highs in the lower 70s to lower 80s, except in the lower to mid 80s valleys. Tonight: Mostly cloudy. Patchy smoke through the night. Lows in the mid 50s to mid 60s. Tuesday: Mostly cloudy in the morning, becoming partly cloudy. Highs in the lower 80s to lower 90s, except in the upper 80s to lower 90s valleys. Tuesday Night: Mostly cloudy. Lows in the mid 50s to mid 60s. Wednesday: Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s to lower 90s, except in the lower to mid 90s valleys. Chance of precipitation 50 percent. Wednesday Night: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s to mid 60s. Chance of precipitation 30 percent. Thursday And Thursday Night: Mostly clear. Highs in the mid 70s to mid 80s, except in the mid 80s to lower 90s valleys. Lows in the lower 50s to lower 60s. Friday Through Sunday: Mostly clear. Highs in the lower 70s to lower 80s, except in the 80s valleys. Lows in the upper 40s to upper 50s. | |
| Zone Forecast: East Slopes of the Oregon Cascades | |
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