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Hazardous Weather Conditions
Current conditions at
Salem, Salem-Leckrone Airport (KSLO)
Lat: 38.64°NLon: 88.96°WElev: 574ft.
Overcast
90°F
32°C
| Humidity | 81% |
| Wind Speed | NA |
| Barometer | 29.95 in |
| Dewpoint | 84°F (29°C) |
| Visibility | 10.00 mi |
| Heat Index | 114°F (46°C) |
| Last update | 26 Jul 12:35 pm CDT |
Extended Forecast for
Vandalia IL
Extreme Heat Warning until July 27, 09:00pm
NOW until 9:00pm Mon

Extreme Heat Warning
This Afternoon

High: 92 °F
Chance
T-stormsTonight
Low: 75 °F
Chance
T-storms then
Patchy FogMonday
High: 94 °F
Patchy Fog
then SunnyMonday Night

Low: 76 °F
Increasing
CloudsTuesday

High: 90 °F
Sunny
Tuesday Night

Low: 67 °F
Partly Cloudy
Wednesday

High: 86 °F
Sunny
Wednesday Night

Low: 63 °F
Clear
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 113. Light and variable wind becoming southwest around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 75. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 94. Heat index values as high as 112. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 76. South wind around 6 mph becoming west after midnight.
Tuesday
Sunny, with a high near 90. Northwest wind 5 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Vandalia IL
38.98°N 89.1°W (Elev. 499 ft)
38.98°N 89.1°W (Elev. 499 ft)
11:21 am CDT Jul 26, 2026
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026



