Weather WorldWayne Helen Lake, IL 7-Day Weather Forecast
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Wayne Helen Lake Weather Forecast
Wayne Helen Lake, IL Weather Forecast Date: 928 PM CDT Sat Aug 08 2026
Weather forecast for Wayne Helen Lake, IL
Tonight Lo: 69°F Lo: 21°C |
Tonight... Mostly clear. Lows in the upper 60s. South winds around 5 mph. |
Sun Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Sunday... Sunny with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 102. |
| Mon Hi: 91°FHi: 33°C Lo: 75°F Lo: 24°C |
Monday... Mostly sunny. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 107 in the afternoon. |
| Tue Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Tuesday... Mostly sunny. Highs in the lower 90s. Heat index values up to 105. |
Wed Hi: 89°FHi: 32°C Lo: 70°F Lo: 21°C |
Wednesday... Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows around 70. Chance of rain 50%. Heat index values up to 100. |
| Thu Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Thursday... Mostly sunny in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50%. |
| Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 40%. |
| Sat Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Saturday... Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 40%. |
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