| NWS Forecast for: Allegan County Issued by: National Weather Service Grand Rapids, MI Last Update: 457 PM EDT Fri May 15 2026 |  |
| Through Early Evening: Mostly sunny. Highs in the lower 70s. South winds 10 to 15 mph with gusts to around 25 mph. Tonight: Clear in the evening, then rain showers likely and a chance of thunderstorms after midnight. Lows in the upper 50s. South winds 5 to 15 mph with gusts to around 25 mph. Chance of rain 70 percent. Saturday: Rain showers likely and a chance of thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph becoming west 5 to 15 mph in the afternoon. Gusts up to 25 mph. Chance of rain 70 percent. Saturday Night: Partly cloudy. A 20 percent chance of rain showers after midnight. Lows in the mid 50s. Light winds. Sunday: A chance of rain showers in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds around 10 mph with gusts to around 25 mph. Chance of rain 60 percent. Sunday Night: Showers likely in the evening. Lows in the mid 60s. South winds 5 to 15 mph with gusts to around 25 mph. Chance of rain 60 percent. Monday: Showers likely and a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60 percent. Monday Night: Showers likely and a chance of thunderstorms. Lows in the mid 60s. Chance of rain 60 percent. Tuesday: Showers likely and a chance of thunderstorms. Highs around 80. Chance of rain 70 percent. Tuesday Night: Rain showers likely and a chance of thunderstorms. Lows in the lower 50s. Chance of rain 70 percent. Wednesday: Mostly sunny. Highs in the lower 60s. Wednesday Night: Partly cloudy. Lows in the mid 40s. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Partly cloudy. Lows in the upper 40s. Friday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: Allegan County | |
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