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Fourth Lake, IL 7-Day Weather Forecast
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Fourth Lake Weather Forecast
Fourth Lake, IL Weather Forecast Date: 121 PM CDT Fri Oct 02 2026
Weather forecast for Fourth Lake, IL
Today Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
This Afternoon... Sunny. Highs in the lower 60s. North winds 10 to 15 mph. |
| Sat Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Saturday... Sunny. Highs in the mid 60s. Southeast winds 5 to 10 mph. |
| Sun Hi: 70°FHi: 21°C Lo: 45°F Lo: 7°C |
Sunday... Mostly sunny. Highs around 70. West winds 5 to 10 mph, becoming northwest in the afternoon. |
| Mon Hi: 65°FHi: 18°C Lo: 41°F Lo: 5°C |
Monday... Sunny. Highs in the mid 60s inland, but only around 60 near the lake. |
| Tue Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Tuesday... Sunny. Highs in the mid 60s. |
Wed Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Wednesday... Partly cloudy. Highs in the lower 70s. |
| Thu Hi: 71°FHi: 22°C |
Thursday... Partly cloudy. Highs in the lower 70s. |
Fourth Lake Radar Loop
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