| NWS Forecast for: East Slopes of the Oregon Cascades Issued by: National Weather Service Pendleton, OR Last Update: 302 PM PDT Tue Sep 1 2026 | |
Tonight: Mostly cloudy. A chance of rain showers. Lows in the mid 30s to mid 40s. West wind 5 to 15 mph in the evening, becoming light. Gusts up to 30 mph. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch. Wednesday: A chance of rain showers in the morning, then rain showers in the afternoon. Highs in the upper 40s to upper 50s, except in the upper 50s to lower 60s valleys. Southwest wind 5 to 15 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation near 100 percent. Rainfall amounts up to a half of an inch possible. Wednesday Night: Rain showers in the evening, then rain showers likely overnight. Lows in the mid 30s to lower 40s. Chance of precipitation near 100 percent. Rainfall amounts up to a half of an inch possible. Thursday: Mostly cloudy with a 50 percent chance of rain showers. Highs in the upper 40s to upper 50s, except in the upper 50s to lower 60s valleys. Thursday Night: Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower 30s to lower 40s. Friday: Rain showers likely and a chance of thunderstorms. Highs in the upper 40s to upper 50s, except in the mid 50s to lower 60s valleys. Chance of precipitation 70 percent. Friday Night Through Sunday: Mostly cloudy with a 50 percent chance of rain showers. Lows in the mid 30s to mid 40s. Highs in the mid 50s to mid 60s. Sunday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 30s to upper 40s. Chance of precipitation 50 percent. Labor Day: Mostly cloudy with a 50 percent chance of rain showers. Highs in the lower 50s to lower 60s, except in the 60s valleys. Monday Night And Tuesday: Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 30s to upper 40s. Highs in the upper 50s to upper 60s. | |
| Zone Forecast: East Slopes of the Oregon Cascades | |
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