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Belleville, IL Weather Forecast

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Belleville, IL Weather Forecast

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Belleville IL weather - Clear - 72°F
Clear
72°F
Updated 12:03 am
Feels Like 77°F
Humidity 96%
Wind N 0 mph
Barometer  29.86 in
Dew Point 71°F
Belleville IL weather - Clear - 22°C
Clear
22°C
Updated 12:03 am
Feels Like 25°C
Humidity 96%
Wind N 0 km/h
Barometer  101.1 kPa
Dew Point 22°C
WX Settings

Belleville Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Belleville, IL Weather - Tonight Chance Of T-Storm Belleville, IL Weather - Saturday Patchy Fog Belleville, IL Weather - Saturday Night Partly Cloudy Belleville, IL Weather - Sunday Chance Of T-Storm Belleville, IL Weather - Sunday Night Chance Of T-Storm Belleville, IL Weather - Monday Chance Of T-Storm Belleville, IL Weather - Monday Night Mostly Clear Belleville, IL Weather - Tuesday Mostly Clear Belleville, IL Weather - Tuesday Night Chance Of T-Storm Belleville, IL Weather - Wednesday Chance Of T-Storm Belleville, IL Weather - Wednesday Night Chance Of T-Storm Belleville, IL Weather - Thursday Chance Of T-Storm
Chance of T-Storm Patchy Fog Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Mostly Clear Mostly Clear Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm
Lo: 69°FLo: 21°C Hi: 90°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Hi: 95°FHi: 35°C
Lo: 70°FLo: 21°C		 Hi: 95°FHi: 35°C
Lo: 70°FLo: 21°C		 Hi: 91°FHi: 33°C
Lo: 71°FLo: 22°C		 Hi: 91°FHi: 33°C
Lo: 71°FLo: 22°C		 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
POP: 20% POP: 20% POP: 20% POP: 20% POP: 20% POP: 20% POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 938 PM CDT Fri Sep 11 2026 Belleville, IL Weather - WeatherWorld.com

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Issued: 1038 PM CDT Fri Sep 11 2026

Key Messages

  • There is a chance for showers and thunderstorms across parts of central and northeast Missouri into west central Illinois tonight into Saturday. The chance for rain spreads southeast to most areas along and north of I-44/I-70 on Sunday.
  • Temperatures will remain above normal for most of the area into next week with a chance for rain continuing, mainly across northern Missouri into central Illinois.

Aviation

/00Z TAFS THROUGH 06Z SUNDAY/... Issued at 1037 PM CDT Fri Sep 11 2026

VFR condit...