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Serena, IL 7-Day Weather Forecast
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Serena Weather Forecast
Serena, IL Weather Forecast Date: 1231 PM CDT Fri Sep 04 2026
Weather forecast for Serena, IL
Today Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
This Afternoon... Mostly sunny. Hot. Highs in the lower 90s. North winds around 5 mph, becoming west in the afternoon. Heat index values up to 106. |
| Sat Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Saturday... Mostly sunny. Humid with highs around 90. North winds 5 to 10 mph. Heat index values up to 101. |
Sun Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Highs in the mid 80s. East winds around 5 mph. |
| Labor Day Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Labor Day... Partly cloudy. Highs in the lower 80s. |
| Tue Hi: 89°FHi: 32°C Lo: 75°F Lo: 24°C |
Tuesday... Partly cloudy. Highs in the upper 80s. |
| Wed Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Wednesday... Partly cloudy. Highs in the lower 90s. |
| Thu Hi: 85°FHi: 29°C |
Thursday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s. |
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