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.

Fog

N/A

Humidity NA
Wind Speed Calm
Barometer 29.86 in
Dewpoint N/A
Visibility 0.50 mi
Last update 17 Jun 4:35 am CDT
Extended Forecast for

2 Miles NW Edwardsville IL

Dense Fog Advisory until June 17, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until June 17, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 70 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 73. Southeast wind around 7 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 1pm. High near 85. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 85 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Southwest wind 6 to 11 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 73. Southeast wind around 7 mph.
Wednesday
Showers and thunderstorms, mainly after 1pm. High near 85. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Southwest wind 6 to 11 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Edwardsville IL
 38.81°N 90°W (Elev. 495 ft)
Last Update:
1:36 am CDT Jun 17, 2025
Forecast Valid:
4am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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