Local Forecast

Belleville, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Belleville, IL

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 11:50 AM CDTSaturday 11:50 AM

°F °C
Regional Observations →
84°F

Clear

  • 91° / 73° High / Low
  • 84° Feels Like
  • 0% Chance of Rain

Wind

3 mph

N

UV Index

10

Very High

Humidity

0%

Dew 0°F

Sun

6:08 AM · 8:02 PM

Rise · Set

Source: ALTON/ST LOUIS R (KALN). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Saturday

91° 73°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Saturday

Sunny, with a high near 91. Heat index values as high as 103. West wind around 3 mph.

Night

Clear, with a low around 72. Heat index values as high as 100. Southeast wind around 3 mph.

Sunday

93° 75°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

Sunny, with a high near 93. Heat index values as high as 107. South wind 2 to 10 mph.

Night

Mostly clear, with a low around 75. South wind 6 to 10 mph.

Monday

95° 77°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Sunny, with a high near 95.

Night

Mostly clear, with a low around 77.

Tuesday

95° 75°

Partly Sunny

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Tuesday

Mostly sunny, with a high near 96.

Night

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

Wednesday

91° 71°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 50%.

Belleville, IL Weather Analysis Tools