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.

Rain

67°F

19°C

Humidity 87%
Wind Speed W 6 mph
Barometer 29.92 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 3 Apr 1:15 am CDT
Extended Forecast for

2 Miles NNE Bethalto IL

  • Overnight

    Overnight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 80 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers, mainly before 1pm. Temperature falling to around 55 by 5pm. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 61 °F⇓

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 1pm. Temperature falling to around 55 by 5pm. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
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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:
1:26 am CDT Apr 3, 2026
Forecast Valid:
3am CDT Apr 3, 2026-6pm CDT Apr 9, 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