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Forrest, IL 7-Day Weather Forecast
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Forrest Weather Forecast
Forrest, IL Weather Forecast Date: 556 AM CDT Wed Sep 02 2026
Weather forecast for Forrest, IL
Today Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Today... Mostly sunny. Hot. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108. |
Thu Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Thursday... Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the late morning and afternoon. Hot, humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of precipitation 20%. Heat index values up to 106. |
| Fri Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Friday... Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. West winds around 5 mph. Chance of precipitation 20%. Heat index values up to 105. |
| Sat Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Partly cloudy. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of precipitation 30%. |
Sun Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy. Highs in the mid 80s. |
| Labor Day Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Labor Day... Partly cloudy. Highs in the mid 80s. |
| Tue Hi: 85°FHi: 29°C |
Tuesday... Partly cloudy. Highs in the mid 80s. |
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