| NWS Forecast for: East Slopes of the Oregon Cascades Issued by: National Weather Service Pendleton, OR Last Update: 1147 PM PDT Sat Sep 5 2026 |  |
| Rest Of Tonight: Rain showers. Lows in the mid 30s to mid 40s. Chance of precipitation 90 percent. Rainfall amounts up to a half of an inch possible. Sunday: Areas of fog in the morning. Rain showers likely in the morning, then rain showers and a chance of thunderstorms in the afternoon. Highs in the upper 40s to mid 50s, except in the mid to upper 50s valleys. Chance of precipitation near 100 percent. Rainfall amounts up to a half of an inch possible, except higher amounts possible in thunderstorms. Sunday Night: Mostly cloudy. A 50 percent chance of rain showers in the evening. Lows in the mid 30s to mid 40s. Gusts up to 20 mph overnight. Rainfall amounts less than a tenth of an inch. Labor Day: Sunny. Highs in the upper 50s to mid 60s. Monday Night: Mostly clear. Lows in the mid 30s to lower 40s. Tuesday And Tuesday Night: Mostly clear. Highs in the 60s, except in the upper 60s to lower 70s valleys. Lows in the upper 30s to upper 40s. Wednesday Through Thursday Night: Mostly clear. Highs in the upper 60s to upper 70s, except in the upper 70s to mid 80s valleys. Lows in the lower 40s to lower 50s. Friday: Partly cloudy. Highs in the lower 60s to lower 70s, except in the lower to mid 70s valleys. Friday Night And Saturday: Partly cloudy with a 20 percent chance of rain showers. Lows in the 40s. Highs in the upper 50s to upper 60s, except in the mid 60s to mid 70s valleys. | |
| Zone Forecast: East Slopes of the Oregon Cascades | |
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