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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Light Rain

70°F

21°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 29.95 in
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 22 Sep 9:50 am CDT
Extended Forecast for

Chesterfield IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 77. Southeast wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 62. North wind 6 to 8 mph.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 69. Northeast wind around 7 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 70. Northwest wind 5 to 9 mph.

    High: 70 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 77. Southeast wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.
Tonight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 62. North wind 6 to 8 mph.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 69. Northeast wind around 7 mph. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 70. Northwest wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield IL
 39.26°N 90.06°W (Elev. 600 ft)
Last Update:
5:37 am CDT Sep 22, 2024
Forecast Valid:
10am CDT Sep 22, 2024-6pm CDT Sep 28, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation