Weather in St. Charles, Illinois, United States

7-Day Detailed Weather Forecast for St. Charles

This Afternoon

Temperature: 63°F

Wind Speed: 20 to 30 mph

Wind Direction: WSW

Forecast: Sunny. High near 63, with temperatures falling to around 57 in the afternoon. West southwest wind 20 to 30 mph, with gusts as high as 45 mph.

Tonight

Temperature: 38°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: Partly cloudy, with a low around 38. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.

Thursday

Temperature: 59°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: A slight chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 59, with temperatures falling to around 54 in the afternoon. East southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Temperature: 34°F

Wind Speed: 10 to 20 mph

Wind Direction: SSE

Forecast: Showers and thunderstorms likely before midnight, then rain likely. Mostly cloudy, with a low around 34. South southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Friday

Temperature: 42°F

Wind Speed: 20 to 25 mph

Wind Direction: W

Forecast: A chance of snow before noon. Mostly cloudy, with a high near 42. West wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

Friday Night

Temperature: 25°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 25.

Saturday

Temperature: 37°F

Wind Speed: 10 mph

Wind Direction: WNW

Forecast: Partly sunny, with a high near 37.

Saturday Night

Temperature: 21°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 21.

Sunday

Temperature: 32°F

Wind Speed: 15 to 20 mph

Wind Direction: NW

Forecast: Partly sunny, with a high near 32.

Sunday Night

Temperature: 17°F

Wind Speed: 15 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 17.

Monday

Temperature: 33°F

Wind Speed: 5 to 15 mph

Wind Direction: NNW

Forecast: Mostly sunny, with a high near 33.

Monday Night

Temperature: 18°F

Wind Speed: 5 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 18.

Tuesday

Temperature: 42°F

Wind Speed: 5 to 15 mph

Wind Direction: S

Forecast: Partly sunny, with a high near 42.

Tuesday Night

Temperature: 30°F

Wind Speed: 15 mph

Wind Direction: SSW

Forecast: A slight chance of snow before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 30.