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

68°F

20°C

Humidity 49%
Wind Speed S 12 G 21 mph
Barometer 30.09 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Nov 1:50 pm CST
Extended Forecast for

2 Miles NNE Bethalto IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. South wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 50. South wind 8 to 13 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 69. Southwest wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. North wind 5 to 7 mph becoming light and variable.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain before noon. Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. South wind 11 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 50. South wind 8 to 13 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 37. North wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 65. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of rain before noon. Partly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
Last Update:
11:01 am CST Nov 4, 2025
Forecast Valid:
2pm CST Nov 4, 2025-6pm CST Nov 10, 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