Current conditions at
Salem, Salem-Leckrone Airport (KSLO)
Lat: 38.64°NLon: 88.96°WElev: 574ft.
Fair
45°F
7°C
| Humidity | 80% |
| Wind Speed | Calm |
| Barometer | 30.20 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 10:55 pm CDT |
Extended Forecast for
Vandalia IL
Tonight

Low: 36 °F
Areas Frost
Sunday

High: 63 °F
Areas Frost
then SunnySunday Night

Low: 36 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 46 °F
Mostly Clear
Tuesday

High: 75 °F
Mostly Sunny
Tuesday Night

Low: 56 °F
Slight Chance
ShowersWednesday

High: 77 °F
Mostly Sunny
Wednesday Night

Low: 59 °F
Mostly Clear
Detailed Forecast
Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 36. West wind around 5 mph becoming calm after midnight.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 63. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 36. North wind 3 to 8 mph.
Monday
Sunny, with a high near 62. Light and variable wind.
Monday Night
Mostly clear, with a low around 46. Southeast wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Vandalia IL
38.96°N 89.11°W (Elev. 531 ft)
38.96°N 89.11°W (Elev. 531 ft)
10:46 pm CDT Apr 18, 2026
11pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026


