| NWS Forecast for: Mason County Issued by: National Weather Service Lincoln, IL Last Update: 1222 AM CST Thu Nov 5 2026 |  |
| Rest Of Tonight: Mostly cloudy. Lows in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph. Thursday: Partly sunny in the morning, then cloudy with a chance of rain in the afternoon. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. Thursday Night: Cloudy. A chance of rain in the evening. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent. Friday: Mostly sunny. Highs around 50. North winds 5 to 10 mph. Friday Night: Partly cloudy in the evening, then becoming mostly clear. Cooler with lows around 30. North winds around 5 mph in the evening, becoming light and variable. Saturday And Saturday Night: Mostly clear. Highs in the lower 50s. Lows in the lower 30s. Sunday: Sunny. Highs in the upper 50s. Sunday Night: Clear. Lows in the mid 30s. Monday: Sunny. Highs in the mid 60s. Monday Night: Clear. Lows in the upper 30s. Tuesday And Tuesday Night: Mostly clear. Highs in the mid 60s. Lows in the upper 30s. Veterans Day: Mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: Mason County | |
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