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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

61°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.15 in (1020.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 2 Oct 2:53 am CDT
Extended Forecast for

Alorton IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Calm wind.
Thursday
Mostly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 65. Light south wind.
Friday
Sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 62. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 64.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alorton IL
 38.59°N 90.12°W (Elev. 413 ft)
Last Update:
2:46 am CDT Oct 2, 2025
Forecast Valid:
3am CDT Oct 2, 2025-6pm CDT Oct 8, 2025
 
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