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

77°F

25°C

Humidity 51%
Wind Speed W 16 mph
Barometer 29.65 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Nov 1:50 pm CST
Extended Forecast for

3 Miles NNE Granite City IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. North wind 5 to 9 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 60. Light east wind becoming southeast 6 to 11 mph in the morning.

    High: 60 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 43. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 59. North wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 33. Light and variable wind.
Monday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 60. Light east wind becoming southeast 6 to 11 mph in the morning.
Monday Night
Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 71.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 64.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.
Thursday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Friday
Rain likely. Partly sunny, with a high near 63. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Granite City IL
 38.75°N 90.11°W (Elev. 417 ft)
Last Update:
2:26 pm CST Nov 15, 2025
Forecast Valid:
2pm CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation