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.

Fair

86°F

30°C

Humidity 35%
Wind Speed W 9 mph
Barometer 29.65 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 22 Mar 12:50 pm CDT
Extended Forecast for

2 Miles NNE Bethalto IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 88. Southwest wind 8 to 14 mph becoming northwest.

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 35. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.

    Low: 35 °F

    Slight Chance
    T-storms and
    Breezy then
    Clear

  • Monday

    Monday: Increasing clouds, with a high near 54. Northeast wind around 10 mph.

    High: 54 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Southeast wind 6 to 9 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 88. Southwest wind 8 to 14 mph becoming northwest.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 35. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.
Monday
Increasing clouds, with a high near 54. Northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 36. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 62. Southeast wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 20 percent chance of rain and thunderstorms after 1pm. Sunny, with a high near 87.
Thursday Night
A chance of rain and thunderstorms, then rain likely after 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:25 pm CDT Mar 22, 2026
Forecast Valid:
1pm CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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