National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Snow

9°F

-13°C

Humidity 80%
Wind Speed N 16 mph
Barometer 30.12 in (1020.6 mb)
Dewpoint 4°F (-16°C)
Visibility 1.25 mi
Wind Chill-8°F (-22°C)
Last update 25 Jan 10:53 am CST
Extended Forecast for

Granite City IL

Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning January 25, 11:02am until January 25, 06:00pm
Click here for hazard details and duration
Extreme Cold Warning
Winter Storm Warning
  •  
    Winter Storm Warning January 25, 11:02am until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • Today

    High: 15 °F

    Snow

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around -6. Wind chill values as low as -20. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: -6 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 7 to 10 mph becoming southwest in the afternoon.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a temperature falling to near 5 by 9pm, then rising to around 14 during the remainder of the night. South wind 7 to 9 mph.

    Low: 5 °F⇑

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind 7 to 10 mph becoming northwest in the afternoon.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Today
Snow, mainly before 3pm. High near 15. Northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around -6. Wind chill values as low as -20. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Sunny and cold, with a high near 16. Wind chill values as low as -20. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
Monday Night
Clear, with a temperature falling to near 5 by 9pm, then rising to around 14 during the remainder of the night. South wind 7 to 9 mph.
Tuesday
Sunny, with a high near 31. West wind 7 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around -1.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Partly sunny and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 22.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Granite City IL
 38.73°N 90.11°W (Elev. 417 ft)
Last Update:
10:31 am CST Jan 25, 2026
Forecast Valid:
11am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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