Current conditions at
Salem, Salem-Leckrone Airport (KSLO)
Lat: 38.64°NLon: 88.96°WElev: 574ft.
Fair
80°F
27°C
| Humidity | 87% |
| Wind Speed | NA |
| Barometer | 30.03 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 17 Jul 9:15 pm CDT |
Extended Forecast for
Vandalia IL
Tonight

Low: 73 °F
Mostly Clear
Saturday

High: 91 °F
Sunny
Saturday Night

Low: 72 °F
Chance
T-stormsSunday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night

Low: 68 °F
Mostly Clear
Monday

High: 91 °F
Sunny
Monday Night

Low: 74 °F
Mostly Clear
Tuesday

High: 93 °F
Slight Chance
T-stormsTuesday Night

Low: 67 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 73. Light southwest wind.
Saturday
Sunny, with a high near 91. Heat index values as high as 102. West wind 5 to 9 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Increasing clouds, with a low around 72. West wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. Light east wind.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 83.
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)
7:36 pm CDT Jul 17, 2026
9pm CDT Jul 17, 2026-6pm CDT Jul 24, 2026


