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

66°F

19°C

Humidity 88%
Wind Speed S 9 G 16 mph
Barometer 29.97 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Nov 10:35 pm CST
Extended Forecast for

4 Miles NNW Aviston IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. South wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 75. Breezy, with a south wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

    High: 75 °F

    Breezy.
    Mostly Cloudy
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 4am, then a slight chance of rain between 4am and 5am. Low around 54. South wind 9 to 17 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.

    Low: 54 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. West wind 8 to 14 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Southwest wind 3 to 6 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. South wind 11 to 14 mph, with gusts as high as 29 mph.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 75. Breezy, with a south wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.
Tuesday Night
Rain and possibly a thunderstorm before 4am, then a slight chance of rain between 4am and 5am. Low around 54. South wind 9 to 17 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%.
Wednesday
Partly sunny, with a high near 66. West wind 8 to 14 mph.
Wednesday Night
Mostly clear, with a low around 44. Southwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Aviston IL
 38.67°N 89.63°W (Elev. 463 ft)
Last Update:
10:11 pm CST Nov 2, 2026
Forecast Valid:
10pm CST Nov 2, 2026-6pm CST Nov 9, 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