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Vandalia, IL
 77° 
Last Updated on Apr 18 2024, 2:55 pm CDT
Current ConditionsMostly Cloudy
Relative Humidity65%
WindSoutheast at 6.9 MPH
(6 KT)
Pressure29.92 mb
Dewpoint64.6 F (18.1 C)
Visibility10.00 miles

7-Day Forecast

This Afternoon
Severe Thunderstorms
High: 79°
Isolated showers and thunderstorms after 4pm.
Some storms could be severe with large hail and damaging winds.
Sunny with a high near 79.
South wind 11 to 15 mph
with gusts as high as 26 mph.
Chance of precipitation is 20%.


Tonight
Severe Thunderstorms then Scattered Showers
Low: 46°
Showers and thunderstorms likely before 2am,
then isolated showers
between 2am and 3am.
Some storms could be severe with large hail and damaging winds.
Cloudy with a low around 46.
Southwest wind 9 to 16 mph becoming
north after midnight.
Winds could gust as high as 29 mph.
Chance of precipitation is 60%.


Friday
Mostly Sunny
High: 60°
Mostly sunny with a high near 60.
North wind 11 to 13 mph
with gusts as high as 23 mph.


Friday Night
Mostly Cloudy
Low: 42°
Mostly cloudy with a low around 42.
North wind 5 to 7 mph.


Saturday
Mostly Sunny
High: 56°
Mostly sunny with a high near 56.
Northwest wind 8 to 13 mph.


Saturday Night
Mostly Cloudy
Low: 38°
Mostly cloudy with a low around 38.


Sunday
Sunny
High: 58°
Sunny with a high near 58.


Sunday Night
Mostly Clear
Low: 38°
Mostly clear with a low around 38.


Monday
Sunny
High: 64°
Sunny with a high near 64.


Monday Night
Mostly Cloudy then Slight Chance Showers
Low: 50°
A 20% chance of showers after 1am.
Mostly cloudy with a low around 50.


Tuesday
Chance Showers
High: 67°
A 50% chance of showers and thunderstorms.
Mostly cloudy with a high near 67.


Tuesday Night
Slight Chance T-storms
Low: 44°
A 20% chance of showers and thunderstorms.
Partly cloudy with a low around 44.


Wednesday
Sunny
High: 63°
Sunny with a high near 63.


Wednesday Night
Mostly Clear then Slight Chance Showers
Low: 43°
A 20% chance of showers.
Mostly clear with a low around 43.


Thursday
Chance Showers
High: 65°
A 30% chance of showers.
Mostly sunny with a high near 65.


Source: National Weather Service








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