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.

Mostly Cloudy

70°F

21°C

Humidity 64%
Wind Speed SE 8 mph
Barometer 30.22 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Apr 4:50 pm CDT
Extended Forecast for

2 Miles NNE Bethalto IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly sunny, with a high near 73. Southeast wind around 10 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southeast wind around 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 63. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. South wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly sunny, with a high near 73. Southeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 59. Southeast wind around 9 mph.
Sunday
A 30 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 63. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. South wind 10 to 18 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
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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:
2:46 pm CDT Apr 11, 2026
Forecast Valid:
5pm CDT Apr 11, 2026-6pm CDT Apr 18, 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