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.

Overcast

34°F

1°C

Humidity 90%
Wind Speed NE 6 mph
Barometer 30.30 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 Mar 2:15 am CST
Extended Forecast for

2 Miles NNE Bethalto IL

  • Overnight

    Overnight: Rain and snow, becoming all rain after 3am. Low around 33. East wind around 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Monday

    Monday: A chance of drizzle, mainly before 2pm. Cloudy, with a high near 42. East wind 8 to 11 mph.

    High: 42 °F

    Chance
    Drizzle

  • Monday Night

    Monday Night: Rain, mainly after 2am. Low around 38. East wind 5 to 7 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Cloudy then
    Rain

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after noon. High near 59. South wind around 7 mph. Chance of precipitation is 90%.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, with thunderstorms also possible after 9pm. Low around 51. East wind around 7 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Partly sunny, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance Rain
    then Chance
    T-storms

Detailed Forecast

Overnight
Rain and snow, becoming all rain after 3am. Low around 33. East wind around 10 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Monday
A chance of drizzle, mainly before 2pm. Cloudy, with a high near 42. East wind 8 to 11 mph.
Monday Night
Rain, mainly after 2am. Low around 38. East wind 5 to 7 mph. Chance of precipitation is 90%.
Tuesday
Rain, with thunderstorms also possible after noon. High near 59. South wind around 7 mph. Chance of precipitation is 90%.
Tuesday Night
Rain, with thunderstorms also possible after 9pm. Low around 51. East wind around 7 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before noon. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Thursday Night
A chance of rain, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Friday
Rain likely and possibly a thunderstorm before noon, then a chance of rain. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Friday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 65.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 65.
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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:
12:56 am CST Mar 2, 2026
Forecast Valid:
2am CST Mar 2, 2026-6pm CDT Mar 8, 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