Weather in DeKalb, Illinois, United States

7-Day Detailed Weather Forecast for DeKalb

Today

Temperature: 49°F

Wind Speed: 15 to 25 mph

Wind Direction: WSW

Forecast: Rain showers and areas of drizzle and areas of fog before 4pm. Mostly cloudy. High near 49, with temperatures falling to around 33 in the afternoon. West southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 10°F

Wind Speed: 20 to 25 mph

Wind Direction: W

Forecast: A chance of snow showers. Mostly cloudy, with a low around 10. Wind chill values as low as -8. West wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Friday

Temperature: 25°F

Wind Speed: 10 to 20 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 25. Wind chill values as low as -9. West southwest wind 10 to 20 mph, with gusts as high as 35 mph.

Friday Night

Temperature: 20°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 20. South wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday

Temperature: 40°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 40. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Saturday Night

Temperature: 14°F

Wind Speed: 10 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 14.

Sunday

Temperature: 25°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 25.

Sunday Night

Temperature: 17°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 17.

Monday

Temperature: 37°F

Wind Speed: 10 mph

Wind Direction: SSE

Forecast: Mostly cloudy, with a high near 37.

Monday Night

Temperature: 31°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 31.

Tuesday

Temperature: 44°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Mostly cloudy, with a high near 44.

Tuesday Night

Temperature: 28°F

Wind Speed: 5 mph

Wind Direction: NE

Forecast: Mostly cloudy, with a low around 28.

Wednesday

Temperature: 42°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a high near 42.

Wednesday Night

Temperature: 33°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: A chance of rain. Mostly cloudy, with a low around 33.