| NWS Forecast for: Mason County Issued by: National Weather Service Grand Rapids, MI Last Update: 407 AM EDT Wed Aug 19 2026 | |
| Early This Morning: Partly cloudy with a 20 percent chance of rain showers. Areas of fog. Lows in the upper 50s. Light winds. Today: Mostly sunny. Areas of fog in the morning. Highs in the upper 70s. Light winds becoming northwest 5 to 10 mph in the afternoon. Tonight: Mostly clear. Lows in the lower 50s. Light winds. Thursday: Sunny. Highs around 80. Light winds becoming west 5 to 10 mph in the afternoon. Thursday Night: Partly cloudy. A 20 percent chance of rain showers after midnight. Lows in the upper 50s. Light winds becoming south 10 mph after midnight. Friday: Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the morning, then a chance of rain showers in the afternoon. Highs in the upper 70s. South winds 5 to 15 mph with gusts to around 25 mph. Chance of rain 50 percent. Friday Night: Rain showers likely and a chance of thunderstorms. Lows in the upper 50s. Chance of rain 70 percent. Saturday: Partly sunny in the morning then becoming mostly sunny. A chance of rain showers and a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 50 percent. Saturday Night: Mostly clear with a 20 percent chance of rain showers. Lows in the mid 50s. Sunday: Sunny with a 20 percent chance of rain showers. Highs in the mid 70s. Sunday Night: Mostly clear. Lows in the lower 50s. Monday: Mostly sunny. Highs in the mid 70s. Monday Night: Partly cloudy. Lows in the mid 50s. Tuesday: Partly sunny in the morning then becoming mostly sunny. A 20 percent chance of rain showers. Highs in the upper 70s. | |
| Zone Forecast: Mason County | |
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