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

41°F

5°C

Humidity 95%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Last update 16 Feb 1:55 am CST
Extended Forecast for

Edwardsville IL

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 38. Light southwest wind.

    Low: 38 °F

    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 64. South wind 5 to 10 mph.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind 6 to 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. South wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 31 mph.

    Low: 57 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 38. Light southwest wind.
Washington's Birthday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 64. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 43. South wind 6 to 9 mph.
Tuesday
Mostly cloudy, with a high near 63. South wind 8 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 31 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 57.
Friday Night
A 30 percent chance of rain. Low around 36.
Saturday
High near 50.
Saturday Night
Low around 32.
Sunday
High near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edwardsville IL
 38.81°N 89.97°W (Elev. 499 ft)
Last Update:
12:26 am CST Feb 16, 2026
Forecast Valid:
2am CST Feb 16, 2026-6pm CST Feb 22, 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