National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

68°F

20°C

Humidity 73%
Wind Speed S 8 mph
Barometer 29.95 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 10:15 pm CDT
Extended Forecast for

2 Miles NE Granite City IL

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 1am. Low around 50. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    Low: 50 °F

    T-storms
    Likely then
    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 55. Northwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Light south wind.
Friday
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 1am. Low around 50. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Saturday
Showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a steady temperature around 55. Northwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 41. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 80.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Granite City IL
 38.73°N 90.11°W (Elev. 417 ft)
Last Update:
9:01 pm CDT Apr 16, 2026
Forecast Valid:
10pm CDT Apr 16, 2026-6pm CDT Apr 23, 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