National Weather Service forecast

Vandalia, Illinois Weather

56°Overnight: Chance Light Rain
Wind S 9 to 13 mph
7-DayHourlyRadar

Vandalia 7-Day Forecast

  1. Overnight
    56°F
    Chance Light Rain
    38% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 56. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

  2. Wednesday
    63°F
    Slight Chance Light Rain then Mostly Cloudy
    19% chance of precipitation

    A slight chance of rain before 7am. Mostly cloudy, with a high near 63. Southwest wind 7 to 12 mph. Chance of precipitation is 20%.

  3. Wednesday Night
    42°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 42. Southwest wind around 5 mph.

  4. Thursday
    63°F
    Mostly Sunny

    Mostly sunny. High near 63, with temperatures falling to around 59 in the afternoon. West wind 5 to 10 mph.

  5. Thursday Night
    43°F
    Mostly Cloudy
    1% chance of precipitation

    Mostly cloudy, with a low around 43. Northwest wind around 3 mph.

  6. Friday
    56°F
    Partly Sunny
    1% chance of precipitation

    Partly sunny, with a high near 56.

  7. Friday Night
    33°F
    Partly Cloudy

    Partly cloudy, with a low around 33.

  8. Saturday
    55°F
    Mostly Sunny

    Mostly sunny, with a high near 55.

  9. Saturday Night
    31°F
    Partly Cloudy

    Partly cloudy, with a low around 31.

  10. Sunday
    60°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 60.

  11. Sunday Night
    32°F
    Clear
    1% chance of precipitation

    Clear, with a low around 32.

  12. Monday
    63°F
    Sunny

    Sunny, with a high near 63.

  13. Monday Night
    37°F
    Clear

    Clear, with a low around 37.

  14. Tuesday
    67°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 67.

Issued by the National Weather Service (LSX office), updated .

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About Vandalia

Population (2020 Census)
7,458
Coordinates
38.975, -89.111
Elevation
499 ft
NWS forecast office
LSX
Time zone
America/Chicago
Sunrise today
6:26 AM CST
Sunset today
4:53 PM CST
Daylight today
10 h 26 min

Vandalia Weather Questions

What is the weather forecast for Vandalia, Illinois?

Overnight: A chance of rain. Mostly cloudy, with a low around 56. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Wednesday: A slight chance of rain before 7am. Mostly cloudy, with a high near 63. Southwest wind 7 to 12 mph. Chance of precipitation is 20%.

Will it rain or snow in Vandalia this week?

The best chance of precipitation is Overnight at 38%. Periods with a 30% chance or more: Overnight (38%).

How warm and how cold will it get in Vandalia this week?

The warmest day is Tuesday, with a high near 67°F. The coldest night is Saturday Night, with a low near 31°F.

What time are sunrise and sunset in Vandalia today?

Sunrise is at 6:26 AM CST and sunset is at 4:53 PM CST, for 10 h 26 min of daylight.

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