Weather WorldMason, IL 7-Day Weather Forecast
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Mason Weather Forecast
Mason, IL Weather Forecast Date: 337 PM CDT Sun Sep 06 2026
Weather forecast for Mason, IL
Tonight Lo: 61°F Lo: 16°C |
Tonight... Partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph. |
Labor Day Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Labor Day... Sunny. Highs in the upper 80s. East winds 5 to 10 mph. |
| Tue Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Tuesday... Sunny. Highs in the lower 90s. South winds around 5 mph. |
| Wed Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly sunny. Hot with highs in the mid 90s. |
Thu Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Thursday... Partly sunny. A chance of showers and thunderstorms in the morning. Not as warm with highs in the lower 80s. Chance of rain 50%. |
| Fri Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Friday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s. |
| Sat Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Saturday... Sunny. Highs in the upper 80s. |
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