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Big Mountain, AK Weather Forecast
Big Mountain, AK Weather Forecast Date: 1222 PM AKDT Sat Aug 22 2026
The area/counties/county of: Lake Iliamna / Nila Vena / Nanvarpak, including: Iliamna, Kokhanok, Nondalton, and Port Alsworth.or toggle through each period.
Tonight... Mostly cloudy. A chance of showers in the evening. Lows in the mid 40s. Northwest wind 15 mph.
Sunday... Partly cloudy. Highs around 60. Northwest wind 15 mph.
Sunday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the upper 40s. Variable wind 10 mph.
Monday... A chance of rain in the morning, then rain in the afternoon. Highs in the mid 50s. South wind 15 mph.
Monday Night... Rain. Lows in the upper 40s. South wind 15 mph.
Tuesday... Showers likely. Highs in the upper 50s.
Tuesday Night... Mostly cloudy with a chance of showers. Lows in the mid 40s. Highs in the mid 50s to lower 60s.
Wednesday... Mostly cloudy with a chance of showers. Lows in the mid 40s. Highs in the mid 50s to lower 60s.
Thursday... Mostly cloudy with a chance of showers. Lows in the mid 40s. Highs in the mid 50s to lower 60s.
Friday... Cloudy with a chance of showers. Highs in the lower 50s.
Friday Night... Mostly cloudy with a chance of showers. Lows in the mid 40s. Highs in the mid 50s.
POP = Probability of Precipitation
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