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.

Fair

75°F

24°C

Humidity 83%
Wind Speed Vrbl 5 mph
Barometer 29.88 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 Jun 7:50 pm CDT
Extended Forecast for

5 Miles SSE Donnellson IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 84. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 84 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Southwest wind 6 to 11 mph.

    Low: 67 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 84. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Southwest wind 6 to 11 mph.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Donnellson IL
 38.97°N 89.45°W (Elev. 581 ft)
Last Update:
6:07 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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