Weather in DeKalb, Illinois, United States

7-Day Detailed Weather Forecast for DeKalb

Today

Temperature: 75°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 65°F

Wind Speed: 15 to 20 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday

Temperature: 79°F

Wind Speed: 15 to 20 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night

Temperature: 61°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Showers and thunderstorms before 10pm, then showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Wednesday

Temperature: 72°F

Wind Speed: 10 to 15 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms. Cloudy, with a high near 72. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Wednesday Night

Temperature: 58°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 90%.

Thursday

Temperature: 74°F

Wind Speed: 15 mph

Wind Direction: WSW

Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Thursday Night

Temperature: 53°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 53.

Friday

Temperature: 81°F

Wind Speed: 5 to 20 mph

Wind Direction: SSE

Forecast: A chance of rain showers after 1pm. Partly sunny, with a high near 81.

Friday Night

Temperature: 53°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 53.

Saturday

Temperature: 63°F

Wind Speed: 15 to 20 mph

Wind Direction: WSW

Forecast: Showers and thunderstorms. Partly sunny, with a high near 63.

Saturday Night

Temperature: 36°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 36.

Sunday

Temperature: 55°F

Wind Speed: 15 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 55.

Sunday Night

Temperature: 37°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 37.