Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

41°F

5°C

Humidity 53%
Wind Speed NE 9 mph
Barometer 30.40 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 1 Mar 11:50 am CST
Extended Forecast for

2 Miles NNE Bethalto IL

Winter Weather Advisory March 1, 06:00pm until March 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 45. Northeast wind 11 to 13 mph.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain, snow, and sleet before 3am, then a chance of rain and snow between 3am and 5am.  Low around 33. East wind around 10 mph.  Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    Low: 33 °F

    Wintry Mix

  • Monday

    Monday: A 40 percent chance of rain, mainly before 8am.  Cloudy, with a high near 45. East wind 7 to 10 mph.

    High: 45 °F

    Chance Rain
    then Cloudy

  • Monday Night

    Monday Night: Rain likely between midnight and 3am, then showers after 3am.  Low around 39. East wind 5 to 7 mph.  Chance of precipitation is 80%.

    Low: 39 °F

    Cloudy then
    Showers

  • Tuesday

    Tuesday: Showers.  High near 62. South wind 7 to 11 mph.  Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, then showers and possibly a thunderstorm after midnight.  Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

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

    High: 68 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 45. Northeast wind 11 to 13 mph.
Tonight
Rain, snow, and sleet before 3am, then a chance of rain and snow between 3am and 5am. Low around 33. East wind around 10 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Monday
A 40 percent chance of rain, mainly before 8am. Cloudy, with a high near 45. East wind 7 to 10 mph.
Monday Night
Rain likely between midnight and 3am, then showers after 3am. Low around 39. East wind 5 to 7 mph. Chance of precipitation is 80%.
Tuesday
Showers. High near 62. South wind 7 to 11 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely, then showers and possibly a thunderstorm after midnight. Low around 54. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 63. Chance of precipitation is 60%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
10:56 am CST Mar 1, 2026
12pm CST Mar 1, 2026-6pm CST Mar 7, 2026
 
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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