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Newton Lake, IL 7-Day Night Weather Forecast
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Newton Lake, IL Weather Forecast
Newton Lake, IL Weather Forecast Date: 1238 AM CDT Mon Aug 17 2026
The area/counties/county of: Jasper, including the city of Newton.or toggle through each period.
Rest of Tonight... Showers likely with a chance of thunderstorms. Lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 70%.
Monday... Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Humid with highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 20%.
Monday Night... Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph in the evening, becoming light and variable.
Tuesday... Sunny. Highs in the mid 80s. West winds around 5 mph.
Tuesday Night... Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 30%.
Wednesday... Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60%.
Wednesday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50%.
Thursday... Partly sunny. Highs in the lower 80s.
Thursday Night... Partly cloudy. Lows around 60. Highs in the lower 80s.
Friday... Partly cloudy. Lows around 60. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Saturday... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
POP = Probability of Precipitation
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