| NWS Forecast for: Ottawa County Issued by: National Weather Service Grand Rapids, MI Last Update: 226 PM EDT Mon Aug 31 2026 | |
| Rest Of Today: Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Southwest winds around 15 mph with gusts to around 30 mph. Chance of rain 50 percent. Tonight: Partly cloudy. A 20 percent chance of showers in the evening. Lows in the lower 70s. Southwest winds around 10 mph. Gusts up to 30 mph in the evening. Tuesday: Mostly sunny in the morning then becoming partly sunny. A 20 percent chance of showers. Highs in the upper 80s. Light winds becoming southwest 5 to 10 mph with gusts to around 20 mph in the afternoon. Heat index readings 92 to 97. Tuesday Night: Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the lower 70s. Southwest winds 5 to 10 mph with gusts to around 20 mph in the evening becoming light. Wednesday: Mostly sunny with a 20 percent chance of showers. Highs in the upper 80s. Southwest winds around 10 mph increasing to 10 to 15 mph with gusts to around 25 mph in the afternoon. Heat index readings 91 to 96. Wednesday Night: Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows around 70. Thursday: Partly sunny with a 50 percent chance of showers and thunderstorms. Highs in the mid 80s. Thursday Night: Showers likely and a chance of thunderstorms. Lows in the upper 60s. Chance of rain 60 percent. Friday: Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. Friday Night: Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 30 percent. Saturday: Mostly sunny. Highs in the lower 80s. Saturday Night: Partly cloudy with a 20 percent chance of showers. Lows in the lower 60s. Sunday: Mostly sunny. Highs around 80. | |
| Zone Forecast: Ottawa County | |
Visit your local NWS office at: https://www.weather.gov/grr/ |