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.

Partly Cloudy

32°F

0°C

Humidity 47%
Wind Speed NW 20 mph
Barometer 30.06 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 14 Jan 4:45 pm CST
Extended Forecast for

2 Miles NNW Granite City IL

  • Tonight

    Tonight: Clear, with a low around 18. Northwest wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 18 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 35. Northwest wind around 7 mph becoming south in the afternoon.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow after 9pm. Mostly cloudy, with a low around 28. South wind 6 to 10 mph becoming west after midnight.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 18. Northwest wind 7 to 15 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 35. Northwest wind around 7 mph becoming south in the afternoon.
Thursday Night
A 50 percent chance of snow after 9pm. Mostly cloudy, with a low around 28. South wind 6 to 10 mph becoming west after midnight.
Friday
Partly sunny, with a high near 45. West wind 10 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 43.
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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:
4:51 pm CST Jan 14, 2026
Forecast Valid:
4pm CST Jan 14, 2026-6pm CST Jan 21, 2026
 
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