Weather WorldBarths Lake, IL 7-Day Weather Forecast
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Barths Lake Weather Forecast
Barths Lake, IL Weather Forecast Date: 1028 PM CDT Fri Aug 07 2026
Weather forecast for Barths Lake, IL
Tonight Lo: 69°F Lo: 21°C |
Tonight... Mostly clear. Lows in the upper 60s. West winds around 5 mph. |
Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Sunny. Highs in the upper 80s. Northwest winds around 5 mph. |
| Sun Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Sunday... Mostly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 104. |
| Mon Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Monday... Sunny. Highs in the lower 90s. Heat index values up to 105. |
Tue Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Tuesday... Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 20%. Heat index values up to 105. |
| Wed Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 50%. |
| Thu Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 50%. |
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