Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

55°F

13°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 5 Mar 2:50 pm CST
Extended Forecast for

2 Miles NE Granite City IL

  • Tonight

    Tonight: A 40 percent chance of rain and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 57. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 57 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of rain and thunderstorms, mainly between 3pm and 4pm.  Partly sunny, with a high near 75. South wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 75 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm, mainly after midnight.  Low around 60. South wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%.

    Low: 60 °F

    Slight Chance
    Rain then
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain and thunderstorms before noon.  Mostly cloudy, with a high near 69. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 69 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain, then a chance of rain and thunderstorms after midnight.  Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of rain and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. Calm wind becoming south 5 to 7 mph after midnight.
Friday
A 20 percent chance of rain and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 75. South wind 8 to 17 mph, with gusts as high as 28 mph.
Friday Night
Rain and possibly a thunderstorm, mainly after midnight. Low around 60. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
A 50 percent chance of rain and thunderstorms before noon. Mostly cloudy, with a high near 69. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 67.
Sunday Night
Clear, with a low around 50.
Monday
Sunny, with a high near 79.
Monday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Granite City IL
 38.73°N 90.11°W (Elev. 417 ft)
1:56 pm CST Mar 5, 2026
3pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
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