Weather in DeKalb, Illinois, United States

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7-Day Detailed Weather Forecast for DeKalb

This Afternoon

Temperature: 69°F

Wind Speed: 15 mph

Wind Direction: SSE

Forecast: A slight chance of showers and thunderstorms. Partly sunny. High near 69, with temperatures falling to around 65 in the afternoon. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Temperature: 57°F

Wind Speed: 10 to 20 mph

Wind Direction: WSW

Forecast: A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 57. West southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Temperature: 71°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 71. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Thursday Night

Temperature: 53°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 53. West northwest wind 5 to 10 mph.

Juneteenth

Temperature: 75°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 75. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Temperature: 56°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 56.

Saturday

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 77.

Saturday Night

Temperature: 58°F

Wind Speed: 0 to 5 mph

Wind Direction: NNE

Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 58.

Sunday

Temperature: 73°F

Wind Speed: 5 to 15 mph

Wind Direction: ENE

Forecast: A chance of rain showers before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 73.

Sunday Night

Temperature: 56°F

Wind Speed: 15 mph

Wind Direction: NE

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 56.

Monday

Temperature: 74°F

Wind Speed: 10 to 15 mph

Wind Direction: NNE

Forecast: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 74.

Monday Night

Temperature: 53°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 53.

Tuesday

Temperature: 77°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Mostly sunny, with a high near 77.

Tuesday Night

Temperature: 57°F

Wind Speed: 0 to 5 mph

Wind Direction: SSE

Forecast: A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 57.