Weather in Ottawa, Illinois, United States

7-Day Detailed Weather Forecast for Ottawa

This Afternoon

Temperature: 80°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 80. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Tonight

Temperature: 63°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 63. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Tuesday

Temperature: 77°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely before 5pm, then showers and thunderstorms. Partly sunny. High near 77, with temperatures falling to around 74 in the afternoon. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night

Temperature: 39°F

Wind Speed: 15 mph

Wind Direction: N

Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 39. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Wednesday

Temperature: 47°F

Wind Speed: 15 to 20 mph

Wind Direction: ENE

Forecast: Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 47. East northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Wednesday Night

Temperature: 42°F

Wind Speed: 15 mph

Wind Direction: E

Forecast: Showers and thunderstorms. Cloudy, with a low around 42. Chance of precipitation is 100%.

Thursday

Temperature: 71°F

Wind Speed: 15 to 20 mph

Wind Direction: SSE

Forecast: Showers and thunderstorms. Cloudy, with a high near 71.

Thursday Night

Temperature: 49°F

Wind Speed: 10 to 20 mph

Wind Direction: SW

Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 49.

Friday

Temperature: 70°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: A chance of rain showers. Mostly sunny, with a high near 70.

Friday Night

Temperature: 52°F

Wind Speed: 10 to 15 mph

Wind Direction: ESE

Forecast: A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 52.

Saturday

Temperature: 66°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 66.

Saturday Night

Temperature: 37°F

Wind Speed: 15 mph

Wind Direction: W

Forecast: Rain showers likely. Mostly cloudy, with a low around 37.

Sunday

Temperature: 51°F

Wind Speed: 15 to 20 mph

Wind Direction: WNW

Forecast: A chance of rain showers before 1pm. Partly sunny, with a high near 51.

Sunday Night

Temperature: 32°F

Wind Speed: 5 to 15 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 32.