Weather in Ottawa, Illinois, United States

7-Day Detailed Weather Forecast for Ottawa

This Afternoon

Temperature: 85°F

Wind Speed: 10 mph

Wind Direction: WNW

Forecast: Showers and thunderstorms likely. Mostly cloudy. High near 85, with temperatures falling to around 81 in the afternoon. West northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 63°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. 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 10 mph.

Monday Night

Temperature: 62°F

Wind Speed: 0 to 5 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 62. East wind 0 to 5 mph.

Tuesday

Temperature: 86°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Partly 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: WSW

Forecast: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

Wednesday

Temperature: 85°F

Wind Speed: 0 to 5 mph

Wind Direction: WNW

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

Wednesday Night

Temperature: 66°F

Wind Speed: 5 mph

Wind Direction: NNE

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

Thursday

Temperature: 87°F

Wind Speed: 5 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 87.

Thursday Night

Temperature: 68°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms. Partly cloudy, 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: S

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

Saturday

Temperature: 82°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 82.

Saturday Night

Temperature: 63°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 63.