Weather WorldIndex Lake, AK 7-Day Night Weather Forecast
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Index Lake, AK Weather Forecast
Index Lake, AK Weather Forecast Date: 113 AM AKDT Sun Aug 23 2026
The area/counties/county of: Sutton / Upper Matanuska Valley, including: Sutton and Chickaloon.or toggle through each period.
Today... Partly cloudy in the morning then becoming mostly sunny. Isolated showers. Highs in the mid 50s to lower 60s. Light winds.
Tonight... Partly cloudy. Lows in the lower 40s. Light winds.
Monday... Partly cloudy. Highs near 60. Light winds.
Monday Night... Mostly cloudy with a chance of rain. Lows in the upper 40s. Light winds.
Tuesday... Rain. Highs in the 40s to upper 50s. Variable wind 10 mph.
Tuesday Night... Showers likely. Lows in the mid 40s.
Wednesday... Showers likely. Highs in the 50s.
Wednesday Night... Mostly cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 50s to lower 60s.
Thursday... Mostly cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 50s to lower 60s.
Friday... Mostly cloudy with a chance of rain showers. Lows in the lower 40s. Highs in the 50s to lower 60s.
POP = Probability of Precipitation
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