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Newton Lake, IL 7-Day Weather Forecast
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Newton Lake Weather Forecast
Newton Lake, IL Weather Forecast Date: 1238 AM CDT Sun Aug 16 2026
Weather forecast for Newton Lake, IL
Tonight Lo: 75°F Lo: 24°C |
Tonight... Partly cloudy. Near steady temperature in the mid 70s. Southwest winds 5 to 10 mph. |
Sun Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Sunday... Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Humid with highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 50%. Heat index values up to 105. |
Mon Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Monday... Mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph. |
| Tue Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Tuesday... Sunny. Highs in the mid 80s. |
| Wed Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Wednesday... Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50%. |
Thu Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Thursday... Partly sunny. Highs around 80. |
Fri Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Partly cloudy. Lows in the lower 60s. Highs in the lower 80s. |
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