| NWS Forecast for: Allegan County Issued by: National Weather Service Grand Rapids, MI Last Update: 712 PM EDT Mon Aug 17 2026 |  |
| Tonight: Mostly clear. Lows in the upper 50s. Northwest winds around 10 mph with gusts to around 20 mph in the evening becoming light. Tuesday: Mostly sunny in the morning, then partly sunny with a 20 percent chance of rain showers in the afternoon. Highs in the lower 80s. Southwest winds around 10 mph becoming west in the afternoon. Gusts up to 25 mph. Tuesday Night: Showers and a chance of thunderstorms. Lows in the lower 60s. Southwest winds 5 to 10 mph with gusts to around 25 mph in the evening becoming light. Chance of rain 90 percent. Wednesday: Mostly sunny. A 40 percent chance of showers in the morning. Highs in the upper 70s. Light winds becoming northwest 5 to 10 mph in the afternoon. Wednesday Night: Mostly clear. Lows in the lower 50s. Northwest winds around 10 mph in the evening becoming light. Thursday: Sunny. Highs in the upper 70s. Thursday Night: Mostly clear. Lows in the mid 50s. Friday: Mostly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 70s. Friday Night: Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows around 60. Chance of rain 40 percent. Saturday: Mostly sunny in the morning then becoming partly sunny. A 40 percent chance of showers and thunderstorms. Highs in the mid 70s. Saturday Night: Mostly clear. Lows in the mid 50s. Sunday: Mostly sunny with a 20 percent chance of rain showers. Highs in the lower 70s. Sunday Night: Partly cloudy. Lows in the mid 50s. Monday: Mostly sunny with a 20 percent chance of rain showers. Highs in the lower 70s. | |
| Zone Forecast: Allegan County | |
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