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Vandalia, MO Weather Forecast

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Vandalia, MO Weather Forecast

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Vandalia MO weather - Overcast - 63°F
Overcast
63°F
Updated 9:39 am
Feels Like 55°F
Humidity 83%
Wind E 6 mph
Barometer  30.21 in
Dew Point 57°F
Vandalia MO weather - Overcast - 17°C
Overcast
17°C
Updated 9:39 am
Feels Like 13°C
Humidity 83%
Wind E 10 km/h
Barometer  102.3 kPa
Dew Point 14°C
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Vandalia Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Vandalia, MO Weather - Today Chance Of Showers Vandalia, MO Weather - Tonight Partly Cloudy Vandalia, MO Weather - Wednesday Mostly Sunny Vandalia, MO Weather - Wednesday Night Clearing Vandalia, MO Weather - Thursday Mostly Sunny Vandalia, MO Weather - Thursday Night Partly Cloudy Vandalia, MO Weather - Friday Chance Of Showers Vandalia, MO Weather - Friday Night Chance Of Showers Vandalia, MO Weather - Saturday Chance Of T-Storm Vandalia, MO Weather - Saturday Night Chance Of T-Storm Vandalia, MO Weather - Sunday Chance Of T-Storm Vandalia, MO Weather - Sunday Night Chance Of Showers
Chance of Showers Partly Cloudy Mostly Sunny Clearing Mostly Sunny Partly Cloudy Chance of Showers Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers
Hi: 70°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C		 Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C		 Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C
POP: 20% POP: 20% POP: 20% POP: 40% POP: 40% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 652 AM CDT Tue Sep 22 2026 Vandalia, MO Weather - WeatherWorld.com

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Issued: 637 AM CDT Tue Sep 22 2026

Key Messages

  • Seasonably cool temperatures expected to continue through the week.

Aviation

/12Z TAFS THROUGH 18Z WEDNESDAY/... Issued at 636 AM CDT Tue Sep 22 2026

MVFR ceilings are expected to prevail through the morning and into the afternoon, except for at COU where IFR ceilings are present before lifting to MVFR later this morning. During the morning there are fuel alternate ceilings expected for the St. Louis metro terminals. Northerly flow in the afternoon and evening should bring drier air to ...