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

46°F

8°C

Humidity 72%
Wind Speed SE 7 mph
Barometer 29.86 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 8 Jan 3:15 am CST
Extended Forecast for

3 Miles S Donnellson IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. Southeast wind around 9 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4pm. High near 62. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%.

    High: 62 °F

    Chance Rain
    then Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and thunderstorms before midnight, then a slight chance of rain between midnight and 5am. Low around 46. Breezy, with a south wind 16 to 23 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Rain and
    Breezy then
    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 53. West wind 6 to 16 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Northeast wind 3 to 6 mph.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

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

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. Southeast wind around 9 mph.
Thursday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4pm. High near 62. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%.
Thursday Night
Rain and thunderstorms before midnight, then a slight chance of rain between midnight and 5am. Low around 46. Breezy, with a south wind 16 to 23 mph becoming west after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 53. West wind 6 to 16 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Northeast wind 3 to 6 mph.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Donnellson IL
 39°N 89.47°W (Elev. 600 ft)
Last Update:
3:16 am CST Jan 8, 2026
Forecast Valid:
3am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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