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Mountain Lakes - Upper Lake, SC Weather Forecast
Mountain Lakes - Upper Lake, SC Weather Forecast Date: 628 AM EDT Mon Aug 31 2026
The area/counties/county of: Chester, including the cities of: Blackstock, Chester, Cornwell, and Great Falls.or toggle through each period.
Today... Patchy fog this morning. Sunny. Visibility one quarter mile or less at times this morning. Highs in the lower 90s. Light and variable winds.
Tonight... Mostly clear. Lows in the lower 70s. Light and variable winds.
Tuesday... Sunny, hot with highs in the mid 90s. Light and variable winds. Heat index values up to 102.
Tuesday Night... Mostly clear. Lows in the lower 70s. Light and variable winds.
Wednesday... Sunny, hot with highs in the mid 90s. Light and variable winds, becoming south around 5 mph in the afternoon. Heat index values up to 104.
Wednesday Night... Mostly clear. Lows in the lower 70s.
Thursday... Sunny, hot with highs in the mid 90s. Heat index values up to 105.
Thursday Night... Mostly clear. Lows in the mid 70s.
Friday... Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 40%. Heat index values up to 105.
Friday Night... Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 40%.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30%.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 30%.
POP = Probability of Precipitation
Mountain Lakes - Upper Lake Radar Loop
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