Weather in Ottawa, Illinois, United States

7-Day Detailed Weather Forecast for Ottawa

Overnight

Temperature: 33°F

Wind Speed: 25 mph

Wind Direction: WSW

Forecast: A slight chance of rain and snow after 5am. Cloudy. Low around 33, with temperatures rising to around 35 overnight. West southwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday

Temperature: 36°F

Wind Speed: 20 to 30 mph

Wind Direction: W

Forecast: A chance of snow before 10am. Partly sunny. High near 36, with temperatures falling to around 33 in the afternoon. West wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.

Friday Night

Temperature: 24°F

Wind Speed: 10 to 20 mph

Wind Direction: WNW

Forecast: Partly cloudy, with a low around 24. West northwest wind 10 to 20 mph, with gusts as high as 35 mph.

Saturday

Temperature: 36°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Partly sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Temperature: 22°F

Wind Speed: 15 mph

Wind Direction: WNW

Forecast: Mostly cloudy, with a low around 22. West northwest wind around 15 mph, with gusts as high as 25 mph.

Sunday

Temperature: 30°F

Wind Speed: 15 to 20 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a high near 30.

Sunday Night

Temperature: 18°F

Wind Speed: 15 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 18.

Monday

Temperature: 31°F

Wind Speed: 5 to 15 mph

Wind Direction: NNW

Forecast: Mostly sunny, with a high near 31.

Monday Night

Temperature: 18°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 18.

Tuesday

Temperature: 42°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: Partly sunny, with a high near 42.

Tuesday Night

Temperature: 32°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 32.

Wednesday

Temperature: 48°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: A slight chance of rain. Partly sunny, with a high near 48.

Wednesday Night

Temperature: 25°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 25.

Thursday

Temperature: 45°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: A slight chance of rain and snow. Sunny, with a high near 45.