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

54°F

12°C

Humidity 44%
Wind Speed W 18 G 25 mph
Barometer 29.86 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Mar 9:50 am CDT
Extended Forecast for

3 Miles NNE Granite City IL

  • Today

    Today: Mostly sunny, with a high near 61. West wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. East wind 6 to 14 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 4pm. High near 70. Breezy, with a south wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

    High: 70 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then snow likely. Some thunder is also possible. Low around 23. Blustery. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Rain and
    Breezy then
    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Blustery.

    High: 29 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. Blustery.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. West wind 14 to 18 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Partly sunny, with a high near 66. East wind 6 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 55. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Rain, with thunderstorms also possible after 4pm. High near 70. Breezy, with a south wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 1am, then snow likely. Some thunder is also possible. Low around 23. Blustery. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Blustery.
Monday Night
Mostly clear, with a low around 14. Blustery.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Granite City IL
 38.75°N 90.11°W (Elev. 417 ft)
Last Update:
8:21 am CDT Mar 13, 2026
Forecast Valid:
10am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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Chance of Precipitation