Weather in Belleville, Illinois, United States

7-Day Detailed Weather Forecast for Belleville

Tonight

Temperature: 76°F

Wind Speed: 9 mph

Wind Direction: S

Forecast: Clear, with a low around 76. South wind around 9 mph.

Saturday

Temperature: 96°F

Wind Speed: 8 to 16 mph

Wind Direction: SW

Forecast: Sunny, with a high near 96. Heat index values as high as 106. Southwest wind 8 to 16 mph, with gusts as high as 25 mph.

Saturday Night

Temperature: 74°F

Wind Speed: 6 to 14 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 74. Heat index values as high as 103. South wind 6 to 14 mph, with gusts as high as 22 mph.

Sunday

Temperature: 96°F

Wind Speed: 6 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 96. Heat index values as high as 104. South wind 6 to 10 mph.

Sunday Night

Temperature: 77°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 77. South wind 5 to 10 mph.

Monday

Temperature: 97°F

Wind Speed: 5 to 8 mph

Wind Direction: S

Forecast: Sunny, with a high near 97.

Monday Night

Temperature: 77°F

Wind Speed: 2 to 7 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 77.

Tuesday

Temperature: 94°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.

Tuesday Night

Temperature: 76°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 76.

Wednesday

Temperature: 95°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 20%.

Wednesday Night

Temperature: 76°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 20%.

Thursday

Temperature: 93°F

Wind Speed: 3 to 7 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.

Thursday Night

Temperature: 75°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 20%.

Friday

Temperature: 91°F

Wind Speed: 3 to 7 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.