| NWS Forecast for: Ionia County Issued by: National Weather Service Grand Rapids, MI Last Update: 1245 AM EDT Thu Sep 18 2025 |  |
| Rest Of Tonight: Mostly clear. Lows in the mid 50s. Light winds. Thursday: Sunny. Highs in the mid 80s. Light winds becoming northwest 5 to 10 mph in the afternoon. Thursday Night: Partly cloudy. Lows in the upper 50s. North winds 5 to 10 mph becoming northeast after midnight. Friday: Partly sunny in the morning then becoming mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph. Friday Night: Partly cloudy. Lows in the lower 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Saturday: Mostly sunny. Highs in the upper 70s. Saturday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the mid 50s. Sunday: Mostly sunny in the morning then becoming partly sunny. A chance of rain showers and a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 30 percent. Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms. Lows around 60. Chance of rain 50 percent. Monday: Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 50 percent. Monday Night: Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 40 percent. Tuesday: Partly sunny with a chance of rain showers and a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 30 percent. Tuesday Night: Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 50s. Wednesday: Mostly sunny. Highs in the mid 70s. | |
| Zone Forecast: Ionia County | |
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