Weather in St. Charles, Illinois, United States

7-Day Detailed Weather Forecast for St. Charles

Tonight

Temperature: 73°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Temperature: 85°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms. Mostly cloudy. High near 85, with temperatures falling to around 83 in the afternoon. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

Temperature: 71°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

Monday

Temperature: 84°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Monday Night

Temperature: 69°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

Tuesday

Temperature: 85°F

Wind Speed: 5 to 10 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Tuesday Night

Temperature: 68°F

Wind Speed: 0 to 5 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68.

Wednesday

Temperature: 86°F

Wind Speed: 0 to 5 mph

Wind Direction: WNW

Forecast: A slight chance of rain showers after 7am. Mostly sunny, with a high near 86.

Wednesday Night

Temperature: 66°F

Wind Speed: 0 to 5 mph

Wind Direction: NE

Forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 66.

Thursday

Temperature: 85°F

Wind Speed: 0 to 5 mph

Wind Direction: ESE

Forecast: A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Thursday Night

Temperature: 68°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68.

Friday

Temperature: 87°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 87.

Friday Night

Temperature: 70°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70.

Saturday

Temperature: 90°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.