Weather in DeKalb, Illinois, United States

7-Day Detailed Weather Forecast for DeKalb

This Afternoon

Temperature: 33°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: Mostly sunny. High near 33, with temperatures falling to around 30 in the afternoon. South southwest wind around 15 mph, with gusts as high as 25 mph.

Tonight

Temperature: 26°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: Mostly cloudy. Low around 26, with temperatures rising to around 30 overnight. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday

Temperature: 33°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: Mostly sunny. High near 33, with temperatures falling to around 31 in the afternoon. West southwest wind 5 to 10 mph.

Wednesday Night

Temperature: 30°F

Wind Speed: 10 to 20 mph

Wind Direction: S

Forecast: Rain likely after midnight. Mostly cloudy, with a low around 30. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday

Temperature: 43°F

Wind Speed: 15 to 25 mph

Wind Direction: SW

Forecast: Rain before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 43. Southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

Thursday Night

Temperature: 10°F

Wind Speed: 15 to 20 mph

Wind Direction: WNW

Forecast: A chance of snow showers before midnight. Mostly cloudy, with a low around 10. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.

Friday

Temperature: 24°F

Wind Speed: 5 to 15 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 24.

Friday Night

Temperature: 22°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 22.

Saturday

Temperature: 40°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a high near 40.

Saturday Night

Temperature: 18°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Partly cloudy, with a low around 18.

Sunday

Temperature: 31°F

Wind Speed: 5 mph

Wind Direction: NNW

Forecast: Mostly sunny, with a high near 31.

Sunday Night

Temperature: 20°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: Mostly cloudy, with a low around 20.

Monday

Temperature: 34°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a high near 34.

Monday Night

Temperature: 27°F

Wind Speed: 5 mph

Wind Direction: SSE

Forecast: Mostly cloudy, with a low around 27.