| NWS Forecast for: John Day Basin Issued by: National Weather Service Pendleton, OR Last Update: 402 AM PDT Thu Sep 17 2026 |  |
| Today: Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 60s to lower 70s. Light wind. Chance of precipitation 50 percent. Rainfall amounts less than a quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Mostly cloudy. Rain showers likely and a chance of thunderstorms in the evening, then a chance of rain showers overnight. Lows in the upper 40s to lower 50s. Light wind. Chance of precipitation 70 percent. Rainfall amounts less than a quarter of an inch, except higher amounts possible in thunderstorms. Friday: Mostly cloudy with a 40 percent chance of rain showers in the morning, then sunny in the afternoon. Highs in the lower to mid 70s. Light wind, becoming northwest 5 to 10 mph in the afternoon. Rainfall amounts less than a tenth of an inch. Friday Night: Mostly clear. Lows in the mid 40s to lower 50s. Light wind. Saturday: Sunny. Highs in the mid 70s to lower 80s. Light wind. Saturday Night Through Tuesday Night: Mostly clear. Lows in the mid 40s to mid 50s. Highs in the mid 70s to mid 80s. Wednesday: Sunny. Highs in the 70s. | |
| Zone Forecast: John Day Basin | |
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