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Rock Island Lake, ID Weather Forecast
Rock Island Lake, ID Weather Forecast Date: 1122 AM PDT Mon Aug 10 2026
The area/counties/county of: Lower Hells Canyon/Salmon River Region, including the cities of: Riggins and White Bird.or toggle through each period.
Tonight... Mostly clear. Patchy smoke. Lows in the mid 50s to lower 60s. North winds to 15 mph in the evening.
Tuesday... Sunny. Patchy smoke. Highs in the 80s to mid 90s.
Tuesday Night... Partly cloudy. Areas of smoke in the evening, then patchy smoke after midnight. Lows in the mid 50s to lower 60s.
Wednesday... Sunny. Patchy smoke in the morning. Highs 80 to 93.
Wednesday Night... Mostly clear. Lows in the mid 50s to lower 60s. North winds to 15 mph.
Thursday... Mostly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the 70s to upper 80s.
Thursday Night... Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening. Chance of precipitation 30%. Lows in the mid 50s to lower 60s.
Friday... Mostly cloudy. A chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50%. Highs in the 70s to upper 80s.
Friday Night... Mostly cloudy with a 20% chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s to lower 60s.
Saturday... Mostly cloudy. A 40% chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to lower 90s.
Saturday Night... Partly cloudy. A 20% chance of showers and thunderstorms in the evening. Lows in the mid 50s to lower 60s.
Sunday... Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30%. Highs in the lower 80s to mid 90s.
Sunday Night... Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening. Chance of precipitation 30%. Lows in the upper 50s to mid 60s.
POP = Probability of Precipitation
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