Weather WorldLower Chapman Reservoir, OR 7-Day Night Weather Forecast
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Lower Chapman Reservoir, OR Weather Forecast
Lower Chapman Reservoir, OR Weather Forecast Date: 230 PM MDT Sun Aug 16 2026
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Tonight... Increasing clouds. Lows 55 to 65. Northwest winds 10 to 15 mph.
Monday... Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Chance of rain 20%. Highs 89 to 94. Northwest winds 10 to 15 mph.
Monday Night... Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Chance of rain 20%. Lows 55 to 65. Northwest winds 10 to 15 mph.
Tuesday... Mostly sunny. Highs 89 to 95. West winds 10 to 15 mph.
Tuesday Night... Partly cloudy. Lows 53 to 63. Northwest winds 10 to 15 mph.
Wednesday... Partly cloudy. Highs 89 to 98. Lows 55 to 65.
Thursday... Partly cloudy. Highs 89 to 98. Lows 55 to 65.
Friday... Partly cloudy. Highs 89 to 98. Lows 55 to 65.
Saturday... Partly cloudy. A 20% chance of showers. Highs 86 to 91. Lows 51 to 61.
Saturday Night... Partly cloudy. A 20% chance of showers. Highs 86 to 91. Lows 51 to 61.
POP = Probability of Precipitation
Lower Chapman Reservoir Radar Loop
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