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Wibv-Am Belleville, IL Weather Forecast
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Wibv-Am Belleville Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY |
 |  | | | | | |  |  | |  |  |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Cloudy |
| Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 812 PM CDT Tue Sep 01 2026 
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Issued: 614 PM CDT Tue Sep 1 2026
Key Messages
- The ongoing late summer heat wave is forecast to continue into the holiday weekend. A heat advisory is now in effect through Saturday across the entire area.
Aviation
/00Z TAFS THROUGH 06Z THURSDAY/... Issued at 614 PM CDT Tue Sep 1 2026
Dry and VFR flight conditions will persist with only diurnal VFR cumulus at times. Light winds are expected become southerly around sunset, then gradually veer to southwesterly by mid-Wednesday morning.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES...