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.

Overcast

30°F

-1°C

Humidity 55%
Wind Speed NW 16 G 26 mph
Barometer 30.35 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 11 Jan 4:55 am CST
Extended Forecast for

4 Miles SE Donnellson IL

  • Overnight

    Overnight: A chance of flurries. Cloudy, with a low around 27. Northwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Chance
    Flurries

  • Sunday

    Sunday: Cloudy through mid morning, then clearing, with a high near 36. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 36 °F

    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. Southwest wind 3 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. Southwest wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southwest wind 3 to 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Cloudy, with a low around 27. Northwest wind around 15 mph, with gusts as high as 28 mph.
Sunday
Cloudy through mid morning, then clearing, with a high near 36. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly clear, with a low around 25. Southwest wind 3 to 8 mph.
Monday
Sunny, with a high near 47. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 34. Southwest wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36.
Wednesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
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:
4:31 am CST Jan 11, 2026
Forecast Valid:
5am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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