Weather in Prospect Heights, Illinois, United States

7-Day Detailed Weather Forecast for Prospect Heights

This Afternoon

Temperature: 80°F

Wind Speed: 15 to 20 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 5pm. Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 43°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely before 8pm, then showers and thunderstorms between 8pm and midnight, then showers and thunderstorms likely between midnight and 1am, then showers and thunderstorms. Mostly cloudy. Low around 43, with temperatures rising to around 52 overnight. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Saturday

Temperature: 52°F

Wind Speed: 15 to 20 mph

Wind Direction: WNW

Forecast: A slight chance of rain showers before 9am. Partly sunny. High near 52, with temperatures falling to around 50 in the afternoon. West northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday Night

Temperature: 35°F

Wind Speed: 5 to 15 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 35. West wind 5 to 15 mph, with gusts as high as 25 mph.

Sunday

Temperature: 50°F

Wind Speed: 5 to 15 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 50. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Temperature: 33°F

Wind Speed: 5 to 10 mph

Wind Direction: NNW

Forecast: Areas of frost after 2am. Mostly clear, with a low around 33.

Monday

Temperature: 54°F

Wind Speed: 0 to 10 mph

Wind Direction: E

Forecast: Areas of frost before 8am. Mostly sunny, with a high near 54.

Monday Night

Temperature: 45°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 45.

Tuesday

Temperature: 72°F

Wind Speed: 10 to 15 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 72.

Tuesday Night

Temperature: 48°F

Wind Speed: 5 to 10 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 48.

Wednesday

Temperature: 67°F

Wind Speed: 5 to 10 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 67.

Wednesday Night

Temperature: 52°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: Partly cloudy, with a low around 52.

Thursday

Temperature: 77°F

Wind Speed: 5 to 15 mph

Wind Direction: SSE

Forecast: Mostly sunny, with a high near 77.

Thursday Night

Temperature: 59°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59.