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.

Overcast

39°F

4°C

Humidity 56%
Wind Speed NE 16 mph
Barometer 30.36 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 1 Mar 8:50 pm CST
Extended Forecast for

2 Miles NE Granite City IL

Winter Weather Advisory until March 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 2, 06:00am

    NOW until 6:00am Mon

    Winter Weather Advisory

  • Tonight

    Low: 34 °F

    Wintry Mix

  • Monday

    Monday: A 50 percent chance of rain, mainly before 8am. Cloudy, with a high near 46. East wind 6 to 10 mph.

    High: 46 °F

    Chance Rain
    then Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 40. East wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 65. South wind 6 to 9 mph. Chance of precipitation is 80%.

    High: 65 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 6 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Rain Likely

Detailed Forecast

Tonight
Rain and snow, possibly mixed with sleet before 4am, then a chance of rain. Low around 34. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Monday
A 50 percent chance of rain, mainly before 8am. Cloudy, with a high near 46. East wind 6 to 10 mph.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 40. East wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday
Rain. High near 65. South wind 6 to 9 mph. Chance of precipitation is 80%.
Tuesday Night
Rain likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 6 mph. Chance of precipitation is 70%.
Wednesday
Rain and possibly a thunderstorm. High near 71. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 54. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 58.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain. Partly cloudy, with a low around 43.
Sunday
A 30 percent chance of rain. Mostly sunny, with a high near 69.
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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:
7:36 pm CST Mar 1, 2026
Forecast Valid:
9pm CST Mar 1, 2026-6pm CDT Mar 8, 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