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

50°F

10°C

Humidity 40%
Wind Speed W 5 mph
Barometer 29.79 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 25 Feb 11:50 am CST
Extended Forecast for

2 Miles NE Granite City IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 52. Light and variable wind becoming north around 5 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 35. Northeast wind 3 to 5 mph.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 55. East wind around 6 mph becoming calm in the afternoon.

    High: 55 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 70 °F

    Sunny

  • Friday Night

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

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain. Sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 52. Light and variable wind becoming north around 5 mph.
Tonight
A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 35. Northeast wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 55. East wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 35. Light and variable wind.
Friday
Sunny, with a high near 70. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 41.
Saturday
A 20 percent chance of rain. Sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 29. Chance of precipitation is 70%.
Monday
A chance of rain and snow. Cloudy, with a high near 40. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Cloudy, with a low around 28.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
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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:
12:26 pm CST Feb 25, 2026
Forecast Valid:
12pm CST Feb 25, 2026-6pm CST Mar 3, 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