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Index Lake, AK Weather Forecast
Index Lake, AK Weather Forecast Date: 403 AM AKDT Tue Aug 25 2026
The area/counties/county of: Sutton / Upper Matanuska Valley, including: Sutton and Chickaloon.or toggle through each period.
Today... Rain. Highs in the lower 50s. Light winds becoming variable 10 mph in the afternoon.
Tonight... Rain in the evening, then a chance of rain showers after midnight. Lows in the lower 40s. Variable wind 10 mph in the evening becoming light.
Wednesday... Partly cloudy. A slight chance of rain showers in the afternoon. Highs in the 50s. Light winds.
Wednesday Night... Partly cloudy in the evening then becoming mostly cloudy. A chance of rain showers. Lows around 40. Light winds.
Thursday... Partly cloudy. Highs in the mid 50s to lower 60s. Light winds.
Thursday Night... Rain showers likely. Lows in the lower 40s.
Friday... Rain showers likely. Highs in the upper 40s to mid 50s.
Friday Night... Cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 50s.
Saturday... Cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 50s.
Saturday Night... Mostly cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 40s to upper 50s.
Sunday... Mostly cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 40s to upper 50s.
POP = Probability of Precipitation
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