Weather in St. Charles, Illinois, United States

7-Day Detailed Weather Forecast for St. Charles

Overnight

Temperature: 72°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 92°F

Wind Speed: 5 to 15 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms likely after 1pm. Partly sunny. High near 92, with temperatures falling to around 89 in the afternoon. Heat index values as high as 100. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night

Temperature: 67°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

Temperature: 73°F

Wind Speed: 10 mph

Wind Direction: N

Forecast: A slight chance of rain showers before 7am. Mostly cloudy, with a high near 73. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Thursday Night

Temperature: 58°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: Partly cloudy, with a low around 58. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Friday

Temperature: 80°F

Wind Speed: 5 mph

Wind Direction: ENE

Forecast: Mostly sunny, with a high near 80.

Friday Night

Temperature: 64°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 64.

Saturday

Temperature: 83°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 83.

Saturday Night

Temperature: 68°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Sunday

Temperature: 82°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 82.

Sunday Night

Temperature: 64°F

Wind Speed: 5 to 10 mph

Wind Direction: ENE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

Monday

Temperature: 84°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 84.

Monday Night

Temperature: 70°F

Wind Speed: 5 to 10 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

Tuesday

Temperature: 90°F

Wind Speed: 5 to 10 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 90.