| NWS Forecast for: Mason County Issued by: National Weather Service Grand Rapids, MI Last Update: 827 PM EDT Sun May 17 2026 |  |
| Tonight: Rain showers likely and a chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph becoming south 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of rain 70 percent. Monday: A chance of showers and thunderstorms in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Highs near 80. South winds 10 to 20 mph with gusts to around 35 mph. Chance of rain 70 percent. Monday Night: A chance of showers and thunderstorms in the evening, then rain showers and a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 90 percent. Tuesday: Rain showers and a chance of thunderstorms. Highs in the mid 70s. Southwest winds 10 to 20 mph with gusts to around 35 mph. Chance of rain 90 percent. Tuesday Night: Partly cloudy. A 30 percent chance of rain showers in the evening. Lows in the lower 40s. Northwest winds 5 to 15 mph with gusts to around 25 mph. Wednesday: Mostly sunny. Highs in the mid 50s. Wednesday Night: Mostly clear. Lows in the mid 30s. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Partly cloudy. Lows in the mid 40s. Friday: Partly sunny. Highs in the upper 60s. Friday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s. Saturday: Mostly sunny in the morning then becoming partly sunny. A 20 percent chance of rain showers. Highs in the mid 70s. Saturday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the lower 50s. Sunday: 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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