| NWS Forecast for: East Slopes of the Oregon Cascades Issued by: National Weather Service Pendleton, OR Last Update: 302 PM PDT Sun Apr 19 2026 | |
| Tonight: Mostly cloudy. Lows in the lower to mid 40s. Gusts up to 20 mph in the evening. Monday: Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 50s to upper 60s, except in the upper 60s to lower 70s valleys. Monday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s to mid 40s. Gusts up to 25 mph in the evening. Rainfall amounts less than a tenth of an inch. Tuesday: Mostly cloudy with a chance of rain and high mountain snow. Highs in the mid 40s to mid 50s, except in the 50s valleys. Chance of precipitation 50 percent. Tuesday Night: Rain and high mountain snow likely. Lows in the 30s. Chance of precipitation 70 percent. Wednesday: Rain and mountain snow. Light mountain snow accumulations. Highs in the lower 30s to lower 40s, except in the 40s valleys. Chance of precipitation near 100 percent. Wednesday Night And Thursday: Mostly cloudy with a 50 percent chance of rain and mountain snow. Lows in the upper 20s to lower 30s. Highs in the lower 40s to lower 50s. Thursday Night: Mostly clear with a 20 percent chance of rain. Lows in the upper 20s to mid 30s. Friday Through Saturday Night: Mostly clear. Highs in the 50s, except in the upper 50s to lower 60s valleys. Lows in the upper 20s to upper 30s. Sunday: Partly cloudy with a 20 percent chance of rain. Highs in the lower 50s to lower 60s. | |
| Zone Forecast: East Slopes of the Oregon Cascades | |
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