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Severe Thunderstorms in the Southeast U.S; Flash Flooding Threat for the Northern Gulf Coast

Severe thunderstorms are expected across portions of the Southeast and Carolinas today where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast today due to the threat of flash, urban, and riverine flooding. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

64°F

18°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 May 6:50 am CDT
Extended Forecast for

Wilsonville IL

  • Today

    Today: Sunny, with a high near 88. South wind 3 to 7 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southeast wind around 8 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. South wind 8 to 14 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    T-storms

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 68. South wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 89. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 89 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 70%.

    Low: 66 °F

    T-storms
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. South wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 66. Southeast wind around 8 mph.
Monday
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. South wind 8 to 14 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 68. South wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 89. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 59.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Wilsonville IL
 39.07°N 89.87°W (Elev. 636 ft)
Last Update:
6:23 am CDT May 19, 2024
Forecast Valid:
7am CDT May 19, 2024-6pm CDT May 25, 2024
 
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