Weather in Vandalia, Illinois, United States

7-Day Detailed Weather Forecast for Vandalia

Overnight

Temperature: 55°F

Wind Speed: 12 mph

Wind Direction: S

Forecast: A slight chance of rain showers after 3am. Mostly cloudy, with a low around 55. South wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Monday

Temperature: 58°F

Wind Speed: 10 to 16 mph

Wind Direction: W

Forecast: Isolated rain showers before 10am. Cloudy. High near 58, with temperatures falling to around 48 in the afternoon. West wind 10 to 16 mph. Chance of precipitation is 20%.

Monday Night

Temperature: 28°F

Wind Speed: 9 to 16 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 28. Northwest wind 9 to 16 mph.

Tuesday

Temperature: 44°F

Wind Speed: 2 to 6 mph

Wind Direction: W

Forecast: Sunny. High near 44, with temperatures falling to around 40 in the afternoon. West wind 2 to 6 mph.

Tuesday Night

Temperature: 34°F

Wind Speed: 3 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 34. South wind around 3 mph.

Wednesday

Temperature: 48°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A chance of rain. Mostly cloudy. High near 48, with temperatures falling to around 44 in the afternoon. Chance of precipitation is 40%.

Wednesday Night

Temperature: 33°F

Wind Speed: 3 to 8 mph

Wind Direction: N

Forecast: A chance of rain. Cloudy, with a low around 33. Chance of precipitation is 50%.

Thanksgiving Day

Temperature: 40°F

Wind Speed: 12 mph

Wind Direction: N

Forecast: A slight chance of rain. Partly sunny, with a high near 40. Chance of precipitation is 20%.

Thursday Night

Temperature: 21°F

Wind Speed: 6 to 9 mph

Wind Direction: NW

Forecast: A slight chance of rain and snow before midnight. Partly cloudy, with a low around 21. Chance of precipitation is 20%.

Friday

Temperature: 34°F

Wind Speed: 7 to 12 mph

Wind Direction: NW

Forecast: Sunny, with a high near 34.

Friday Night

Temperature: 18°F

Wind Speed: 2 to 6 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 18.

Saturday

Temperature: 34°F

Wind Speed: 3 to 8 mph

Wind Direction: SW

Forecast: A slight chance of snow after noon. Partly sunny, with a high near 34. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.

Saturday Night

Temperature: 16°F

Wind Speed: 8 mph

Wind Direction: NW

Forecast: A chance of snow before midnight. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.

Sunday

Temperature: 29°F

Wind Speed: 8 to 12 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 29.