National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

55°F

13°C

Humidity 38%
Wind Speed N 6 mph
Barometer 30.19 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 19 Apr 7:50 pm CDT
Extended Forecast for

Chesterfield IL

  • Tonight

    Tonight: Partly cloudy, with a low around 37. North wind 5 to 9 mph.

    Partly Cloudy

    Low: 37 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Northwest wind 6 to 14 mph.

    Mostly Sunny

    High: 55 °F

  • Saturday
    Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 34. Northwest wind 5 to 10 mph.

    Mostly Cloudy
    then Patchy
    Frost

    Low: 34 °F

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, sunny, with a high near 59. Northwest wind 5 to 10 mph.

    Areas Frost
    then Sunny

    High: 59 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 36. Northwest wind 5 to 8 mph becoming southwest after midnight.

    Clear

    Low: 36 °F

  • Monday

    Monday: Sunny, with a high near 66.

    Sunny

    High: 66 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 49.

    Mostly Cloudy

    Low: 49 °F

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 44.

    Chance
    Showers

    Low: 44 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. North wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 55. Northwest wind 6 to 14 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 34. Northwest wind 5 to 10 mph.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 59. Northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 36. Northwest wind 5 to 8 mph becoming southwest after midnight.
Monday
Sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 66.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 69. Breezy. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Chesterfield IL
 39.26°N 90.06°W (Elev. 600 ft)
Last Update:
7:52 pm CDT Apr 19, 2024
Forecast Valid:
8pm CDT Apr 19, 2024-6pm CDT Apr 26, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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