Weather in Ottawa, Illinois, United States

7-Day Detailed Weather Forecast for Ottawa

This Afternoon

Temperature: 84°F

Wind Speed: 10 mph

Wind Direction: NW

Forecast: A chance of showers and thunderstorms. Mostly cloudy. High near 84, with temperatures falling to around 82 in the afternoon. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 64°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 64. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Monday

Temperature: 84°F

Wind Speed: 5 mph

Wind Direction: NNE

Forecast: Mostly sunny, with a high near 84. North northeast wind around 5 mph, with gusts as high as 15 mph.

Monday Night

Temperature: 63°F

Wind Speed: 0 to 5 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 63. East wind 0 to 5 mph.

Tuesday

Temperature: 86°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 0 to 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Tuesday Night

Temperature: 68°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Wednesday

Temperature: 85°F

Wind Speed: 0 to 5 mph

Wind Direction: WNW

Forecast: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.

Wednesday Night

Temperature: 66°F

Wind Speed: 0 to 5 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66.

Thursday

Temperature: 86°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

Thursday Night

Temperature: 68°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: A slight chance of showers and thunderstorms. Mostly clear, with a low around 68.

Friday

Temperature: 88°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Friday Night

Temperature: 68°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Saturday

Temperature: 85°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Saturday Night

Temperature: 66°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: A chance of showers and thunderstorms. Mostly clear, with a low around 66.