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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

66°F

19°C

Humidity 28%
Wind Speed S 18 G 25 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Nov 2:50 pm CST
Extended Forecast for

4 Miles SE Donnellson IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. Southeast wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain between 1am and 5am. Mostly cloudy, with a low around 50. Southeast wind 9 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. West wind 8 to 11 mph.

    High: 70 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. West wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Partly sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. Southeast wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
A chance of rain between 1am and 5am. Mostly cloudy, with a low around 50. Southeast wind 9 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. West wind 8 to 11 mph.
Friday Night
Mostly clear, with a low around 39. West wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 23.
Veterans Day
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Donnellson IL
 38.99°N 89.42°W (Elev. 558 ft)
Last Update:
1:56 pm CST Nov 6, 2025
Forecast Valid:
2pm CST Nov 6, 2025-6pm CST Nov 12, 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