Weather in St. Charles, Illinois, United States

7-Day Detailed Weather Forecast for St. Charles

This Afternoon

Temperature: 47°F

Wind Speed: 15 to 20 mph

Wind Direction: W

Forecast: Scattered rain showers before 5pm. Mostly cloudy. High near 47, with temperatures falling to around 36 in the afternoon. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

Temperature: 11°F

Wind Speed: 20 to 25 mph

Wind Direction: W

Forecast: Scattered snow showers between 7pm and 5am. Cloudy. Low around 11, with temperatures rising to around 13 overnight. Wind chill values as low as -7. 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: 23°F

Wind Speed: 5 to 25 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 23. Wind chill values as low as -9. West wind 5 to 25 mph, with gusts as high as 40 mph.

Friday Night

Temperature: 21°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 21. South wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday

Temperature: 40°F

Wind Speed: 15 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a high near 40. West southwest wind around 15 mph, with gusts as high as 30 mph.

Saturday Night

Temperature: 16°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 16.

Sunday

Temperature: 27°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Sunny, with a high near 27.

Sunday Night

Temperature: 19°F

Wind Speed: 0 to 5 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 19.

Monday

Temperature: 38°F

Wind Speed: 10 to 15 mph

Wind Direction: S

Forecast: Mostly cloudy, with a high near 38.

Monday Night

Temperature: 33°F

Wind Speed: 10 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 33.

Tuesday

Temperature: 46°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 46.

Tuesday Night

Temperature: 33°F

Wind Speed: 5 mph

Wind Direction: NNE

Forecast: Mostly cloudy, with a low around 33.

Wednesday

Temperature: 48°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a high near 48.

Wednesday Night

Temperature: 40°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: A chance of rain before midnight. Mostly cloudy, with a low around 40.