Wpmb-Am Vandalia, IL Weather Forecast
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Wpmb-Am Vandalia Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Chance of Showers | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Mostly Sunny | Partly Cloudy | Chance of Showers |
| Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 928 PM CDT Mon Aug 24 2026 

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Issued: 954 PM CDT Mon Aug 24 2026
Key Messages
- Seasonably warm temperatures in the 80s will continue this week. There is a chance for thunderstorms Wednesday ahead of a weak cold front.
Aviation
/00Z TAFS THROUGH 06Z WEDNESDAY/... Issued at 938 PM CDT Mon Aug 24 2026
Confidence remains high in dry and VFR flight conditions through the period at all local terminals. There is a very low chance of patches of fog tonight but scattered cloud cover is expected to greatly limit fog development.
Watches / Warnings / Advisories
/WARNINGS/ADVIS...
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