Ottawa- Including the cities of Grand Haven and Jenison 1045 AM EDT Sat Apr 26 2025 .REST OF TODAY...Partly sunny through early afternoon then clearing. Highs in the lower 50s near Lake Michigan in the upper 50s inland. North winds 10 to 15 mph with gusts to around 25 mph. .TONIGHT...Clear. Areas of frost overnight. Lows in the mid 30s. North winds 5 to 10 mph with gusts to around 20 mph in the evening becoming light. .SUNDAY...Mostly sunny. Highs in the upper 50s near Lake Michigan in the mid 60s inland. Southeast winds around 5 mph until midday becoming light. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds around 10 mph. .MONDAY...Mostly sunny. Highs in the mid 70s. South winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Rain showers likely and a chance of thunderstorms. Lows around 60. Chance of rain 70 percent. .TUESDAY...Partly sunny until midday then becoming mostly sunny. A 40 percent chance of showers and thunderstorms. Highs in the upper 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. Highs around 60. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows in the mid 40s. .THURSDAY...Rain showers likely. Highs in the lower 60s. Chance of rain 70 percent. .THURSDAY NIGHT...Rain showers likely and a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 60 percent. .FRIDAY...Mostly sunny with a 30 percent chance of rain showers. Highs in the upper 50s. $$