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.

Mostly Cloudy

70°F

21°C

Humidity 83%
Wind Speed S 13 mph
Barometer 29.86 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 7:50 pm CDT
Extended Forecast for

2 Miles NE Granite City IL

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am. Low around 63. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 63 °F

    T-storms

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 6 to 9 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming light and variable in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 3am. Low around 63. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming light and variable in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 78.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Granite City IL
 38.73°N 90.11°W (Elev. 417 ft)
Last Update:
8:31 pm CDT Apr 15, 2026
Forecast Valid:
8pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation