| NWS Forecast for: Mason County Issued by: National Weather Service Grand Rapids, MI Last Update: 922 AM EDT Thu Jul 16 2026 |  |
Rest Of Today: Mostly sunny. Smoke. Highs in the upper 80s. Light winds becoming northwest 5 to 10 mph in the afternoon. Tonight: Partly cloudy. Smoke. Lows in the upper 60s. North winds 5 to 10 mph becoming east after midnight. Friday: Smoke in the morning. Partly sunny with a 20 percent chance of showers in the morning, then mostly sunny in the afternoon. Highs around 90. Southeast winds around 5 mph becoming southwest in the afternoon. Heat index readings 92 to 97. Friday Night: Partly cloudy. A 50 percent chance of showers after midnight. Lows in the lower 70s. Southwest winds 5 to 10 mph. Saturday: Mostly sunny. A chance of showers and a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. West winds 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon. Gusts up to 30 mph. Chance of rain 50 percent. Saturday Night: Mostly clear. Lows near 60. Sunday: Sunny. Highs in the mid 80s. Sunday Night: Partly cloudy. Lows in the lower 60s. Monday: Mostly sunny in the morning then becoming partly sunny. A chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. Monday Night: Showers likely and a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 70 percent. Tuesday: Mostly sunny with a 30 percent chance of showers. Highs around 80. Tuesday Night: Mostly clear. Lows in the mid 50s to lower 60s. Wednesday: Sunny. Highs in the upper 70s. | |
| Zone Forecast: Mason County | |
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