| NWS Forecast for: Mason County Issued by: National Weather Service Grand Rapids, MI Last Update: 242 AM EDT Mon Sep 28 2026 |  |
| Early This Morning: Partly cloudy. Lows in the mid 40s. Light winds. Today: Sunny. Highs in the upper 60s near lake michigan in the mid 70s inland. Light winds becoming north 10 mph in the afternoon. Tonight: Partly cloudy. Lows in the mid 40s. Light winds. Tuesday: Partly sunny in the morning then becoming mostly sunny. Highs in the lower 70s. Light winds becoming southwest 5 to 10 mph with gusts to around 20 mph in the afternoon. Tuesday Night: Mostly cloudy. A 30 percent chance of rain showers after midnight. Lows in the mid 50s. South winds 5 to 10 mph with gusts to around 20 mph. Wednesday: A chance of rain showers in the morning, then rain showers likely in the afternoon. Highs around 70. South winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 60 percent. Wednesday Night: Rain showers and a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 80 percent. Thursday: Rain showers likely. Highs in the upper 60s. Chance of rain 70 percent. Thursday Night: Mostly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s. Friday: Partly sunny in the morning then becoming mostly sunny. Highs in the lower 60s. Friday Night: Partly cloudy. Lows in the lower 40s. Saturday: Mostly sunny with a 20 percent chance of rain showers. Highs in the mid 60s. Saturday Night: Partly cloudy. Lows in the mid 40s. Sunday: Partly sunny in the morning then becoming mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: Mason County | |
Visit your local NWS office at: https://www.weather.gov/grr/ |