Weather WorldMason County, IL Weather Forecast
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Mason County Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | | |  |  |  | | |  |  |
| Rain | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers Likely | Chance of Showers | Showers | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C |
| POP: 70% | POP: 90% | POP: 90% | POP: 70% | POP: 80% | POP: 70% | POP: 40% | POP: 70% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 937 PM CST Mon Mar 02 2026 
Mason County Radar Loop
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