NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Mostly Cloudy

75°F

24°C

Humidity	81%
Wind Speed	NA
Barometer	29.93 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	26 May 7:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Vandalia IL

Tonight
Low: 62 °F
Scattered
T-storms then
Showers
Likely
Wednesday
High: 79 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 61 °F
Increasing
Clouds
Thursday
High: 82 °F
Mostly Sunny
Thursday Night
Low: 60 °F
Mostly Cloudy
Friday
High: 77 °F
Partly Sunny
Friday Night
Low: 59 °F
Mostly Cloudy
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Tonight

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 62. Light northeast wind. Chance of precipitation is 60%.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly before 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.

Wednesday Night

Increasing clouds, with a low around 61. Northeast wind 3 to 6 mph.

Thursday

Mostly sunny, with a high near 82. Northeast wind 5 to 8 mph.

Thursday Night

Mostly cloudy, with a low around 60. Northeast wind around 7 mph.

Friday

Partly sunny, with a high near 77.

Friday Night

Mostly cloudy, with a low around 59.

Saturday

Mostly sunny, with a high near 79.