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

43°F

6°C

Humidity 57%
Wind Speed N 9 mph
Barometer 30.03 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 16 Nov 7:50 am CST
Extended Forecast for

2 Miles NNW Granite City IL

  • Today

    Today: Sunny, with a high near 58. North wind 5 to 7 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 59. Light east wind becoming southeast 6 to 11 mph in the morning.

    High: 59 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 49. Southeast wind 8 to 10 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers before noon. Partly sunny, with a high near 71. Southeast wind 7 to 9 mph becoming west in the afternoon.

    High: 71 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm, then rain after noon. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 58. North wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 37. Calm wind.
Monday
Increasing clouds, with a high near 59. Light east wind becoming southeast 6 to 11 mph in the morning.
Monday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 49. Southeast wind 8 to 10 mph. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers before noon. Partly sunny, with a high near 71. Southeast wind 7 to 9 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 67.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 52.
Thursday
Rain likely and possibly a thunderstorm, then rain after noon. High near 66. Chance of precipitation is 80%.
Thursday Night
Rain likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 66.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Granite City IL
 38.73°N 90.14°W (Elev. 407 ft)
Last Update:
8:26 am CST Nov 16, 2025
Forecast Valid:
8am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
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