Severe Weather Threat and Extreme Temperatures Impacting Portions of the Southern U.S

Strong to severe thunderstorms are expected to develop from central Texas into the Ohio Valley and Great Lakes Wednesday. Areas who will see the greatest chances for damaging hail and winds will be from north Texas to the Ozarks. Parts of south Texas and Florida will experience dangerous to extreme heat over the next several days. Dangerous heat stress may continue into early next week. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

66°F

19°C

Humidity 78%
Wind Speed NW 8 G 17 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 22 May 2:53 pm CDT
Extended Forecast for

Collinsville IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm.  Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 11am.  Partly sunny, with a high near 81. East wind around 7 mph becoming south in the afternoon.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 67. Southeast wind 6 to 8 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 83. South wind 8 to 11 mph.  Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 81. East wind around 7 mph becoming south in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 67. Southeast wind 6 to 8 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South wind 8 to 11 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Memorial Day
A 40 percent chance of showers. Mostly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 79.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Collinsville IL
 38.68°N 90°W (Elev. 499 ft)
2:22 pm CDT May 22, 2024
3pm CDT May 22, 2024-6pm CDT May 29, 2024
 
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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