| NWS Forecast for: Mason County Issued by: National Weather Service Grand Rapids, MI Last Update: 652 AM EDT Thu May 21 2026 | |
Today: Mostly sunny in the morning then becoming mostly cloudy. Areas of frost in the morning. Highs in the mid 60s. East winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Tonight: Partly cloudy. Lows in the mid 40s. East winds 5 to 10 mph with gusts to around 20 mph. Friday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 70s. East winds 5 to 15 mph with gusts to around 30 mph. Friday Night: A chance of rain showers in the evening, then rain showers likely after midnight. Lows in the lower 50s. East winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 70 percent. Saturday: Rain showers likely. Highs in the upper 60s. East winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 70 percent. Saturday Night: Mostly cloudy with a 30 percent chance of rain showers. Lows in the upper 40s. Sunday: Mostly cloudy. Highs in the lower 70s. Sunday Night: Partly cloudy. Lows in the lower 50s. Memorial Day: Mostly sunny. Highs in the mid 70s to lower 80s. Monday Night: Mostly clear. Lows in the mid 50s. Tuesday: Mostly sunny. Highs near 80. Tuesday Night: Partly cloudy. Lows in the upper 50s. Wednesday: Mostly sunny in the morning then becoming partly sunny. A 20 percent chance of rain showers. Highs in the lower to mid 80s. | |
| Zone Forecast: Mason County | |
Visit your local NWS office at: https://www.weather.gov/grr/ |