Weather in Vandalia, Illinois, United States

7-Day Detailed Weather Forecast for Vandalia

Tonight

Temperature: 43°F

Wind Speed: 3 mph

Wind Direction: NE

Forecast: Areas of fog after 1am. Mostly cloudy, with a low around 43. Northeast wind around 3 mph.

Saturday

Temperature: 60°F

Wind Speed: 3 to 9 mph

Wind Direction: SE

Forecast: Areas of fog before 11am. Mostly cloudy, with a high near 60. Southeast wind 3 to 9 mph.

Saturday Night

Temperature: 56°F

Wind Speed: 9 mph

Wind Direction: SE

Forecast: Patchy fog between 10pm and midnight, then patchy fog and a slight chance of rain between midnight and 1am, then a chance of rain and patchy fog. Cloudy. Low around 56, with temperatures rising to around 62 overnight. Southeast wind around 9 mph. Chance of precipitation is 30%.

Sunday

Temperature: 69°F

Wind Speed: 9 to 15 mph

Wind Direction: SW

Forecast: Rain and patchy fog and a slight chance of thunderstorms. Cloudy. High near 69, with temperatures falling to around 64 in the afternoon. Southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

Sunday Night

Temperature: 20°F

Wind Speed: 14 to 23 mph

Wind Direction: W

Forecast: Rain likely before midnight. Mostly cloudy, with a low around 20. West wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

Monday

Temperature: 25°F

Wind Speed: 15 to 22 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 25.

Monday Night

Temperature: 17°F

Wind Speed: 9 to 13 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 17.

Tuesday

Temperature: 32°F

Wind Speed: 7 to 10 mph

Wind Direction: W

Forecast: Sunny, with a high near 32.

Tuesday Night

Temperature: 24°F

Wind Speed: 7 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 24.

Wednesday

Temperature: 38°F

Wind Speed: 6 to 9 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 38.

Wednesday Night

Temperature: 17°F

Wind Speed: 7 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 17.

New Year's Day

Temperature: 27°F

Wind Speed: 7 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 27.

Thursday Night

Temperature: 12°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 12.

Friday

Temperature: 27°F

Wind Speed: 6 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 27.