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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

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

76°F

24°C

Humidity 45%
Wind Speed S 13 G 21 mph
Barometer 29.91 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 May 1:35 pm CDT
Extended Forecast for

Vernon IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. South wind around 14 mph, with gusts as high as 24 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 67. South wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 9am and noon. Increasing clouds, with a high near 81. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 81 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. South wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 10 to 18 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy.

    High: 88 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 80. Breezy. Chance of precipitation is 80%.

    High: 80 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. South wind around 14 mph, with gusts as high as 24 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 67. South wind 8 to 10 mph, with gusts as high as 23 mph.
Saturday
Showers and thunderstorms likely, mainly between 9am and noon. Increasing clouds, with a high near 81. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. South wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 87. South wind 10 to 18 mph.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Tuesday
Showers and possibly a thunderstorm. High near 80. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 71.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vernon IL
 38.81°N 89.09°W (Elev. 515 ft)
Last Update:
1:25 pm CDT May 15, 2026
Forecast Valid:
1pm CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation