| NWS Forecast for: Mason County Issued by: National Weather Service Lincoln, IL Last Update: 338 AM CST Sat Jan 17 2026 | |
Today: Partly sunny this morning, then mostly cloudy with a slight chance of snow this afternoon. Much cooler with highs in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 20 percent. Wind chill values as low as 1 below. Tonight: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 10 above. West winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 2 below. Sunday: Partly sunny in the morning, then mostly cloudy with a chance of snow in the afternoon. Little or no snow accumulation. Highs in the mid 20s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of snow 30 percent. Wind chill values as low as 2 below. Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows around 5 above. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 13 below after midnight. Martin Luther King Jr Day: Sunny, cooler with highs around 15. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 13 below in the morning. Monday Night: Mostly clear. Lows around 10 above. Wind chill values as low as 5 below. Tuesday: Mostly sunny. Not as cool with highs in the lower 30s. Wind chill values as low as zero in the morning. Tuesday Night And Wednesday: Mostly cloudy. Lows in the mid 20s. Highs in the upper 30s. Wednesday Night: Partly cloudy. Lows 15 to 20. Thursday: Partly sunny. Cooler with highs in the upper 20s. Thursday Night: Partly cloudy. Lows around 15. Friday: Partly sunny. Highs around 30. | |
| Zone Forecast: Mason County | |
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