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.

Partly Cloudy

45°F

7°C

Humidity 55%
Wind Speed SE 7 mph
Barometer 30.29 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 29 Mar 4:35 am CDT
Extended Forecast for

2 Miles NNE Bethalto IL

  • Today

    Today: Partly sunny, with a high near 69. South wind 7 to 16 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. South wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind around 16 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Breezy, with a south wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 83 °F

    Breezy.
    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 69. South wind 7 to 16 mph.
Tonight
Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 83. South wind 10 to 17 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 64. South wind around 16 mph, with gusts as high as 25 mph.
Tuesday
A chance of rain, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Breezy, with a south wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Wednesday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 62. Chance of precipitation is 70%.
Thursday Night
Rain likely, mainly before 1am. Cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 74.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
Last Update:
1:26 am CDT Mar 29, 2026
Forecast Valid:
4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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