| NWS Forecast for: Allegan County Issued by: National Weather Service Grand Rapids, MI Last Update: 222 PM EDT Sun May 17 2026 |  |
| Through Early Evening: Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s. South winds 5 to 15 mph with gusts to around 25 mph. Tonight: Partly cloudy. Lows in the upper 60s. South winds 5 to 15 mph with gusts to around 25 mph. Monday: Mostly sunny with a chance of showers and a slight chance of thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 20 mph with gusts to around 30 mph. Chance of rain 80 percent. Monday Night: Showers likely and a chance of thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds 5 to 15 mph with gusts to around 30 mph. Chance of rain 70 percent. Tuesday: A chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 20 mph with gusts to around 40 mph. Chance of rain 80 percent. Tuesday Night: Rain showers and a chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain showers after midnight. Lows in the upper 40s. West winds 5 to 15 mph with gusts to around 30 mph becoming northwest 5 to 10 mph with gusts to around 20 mph after midnight. Chance of rain 80 percent. Wednesday: Mostly sunny. Highs around 60. Wednesday Night: Partly cloudy. Lows in the lower 40s. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Partly cloudy. Lows in the mid 40s. Friday: Mostly cloudy with a 20 percent chance of rain showers. Highs in the lower 70s. Friday Night: Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of rain showers. Lows in the lower 50s. Saturday: Partly sunny with 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 mid 50s. Sunday: Mostly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 70s. | |
| Zone Forecast: Allegan County | |
Visit your local NWS office at: https://www.weather.gov/grr/ |