Weather WorldMermet Lake, IL 7-Day Night Weather Forecast
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Mermet Lake, IL Weather Forecast
Mermet Lake, IL Weather Forecast Date: 132 PM CDT Mon Oct 26 2026
The area/counties/county of: Massac, including the city of Metropolis.or toggle through each period.
This Afternoon... Partly sunny. Near steady temperature in the mid 70s. Calm winds.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Calm winds.
Tuesday... Partly sunny. Highs in the mid 70s. Calm winds, becoming south around 5 mph in the afternoon.
Tuesday Night... Mostly cloudy. Lows in the upper 40s. Calm winds.
Wednesday... Sunny. Highs in the upper 70s. South winds around 5 mph.
Wednesday Night... Clear. Lows in the upper 40s. Highs around 80.
Thursday... Clear. Lows in the upper 40s. Highs around 80.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 50.
Friday... Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s.
Friday Night... Mostly cloudy. Highs in the upper 70s. Lows in the mid 50s.
Saturday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s. Highs in the mid 70s.
POP = Probability of Precipitation
Mermet Lake Radar Loop
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