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.

Fog/Mist

45°F

7°C

Humidity 97%
Wind Speed E 5 mph
Barometer 30.25 in
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 24 Dec 4:35 am CST
Extended Forecast for

Brighton IL

Dense Fog Advisory December 24, 04:43am until December 24, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 24, 04:43am until December 24, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 59 °F

    Patchy
    Drizzle and
    Patchy Dense
    Fog

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. South wind 5 to 7 mph becoming northwest after midnight.

    Low: 50 °F

    Patchy Fog

  • Christmas Day

    Christmas Day: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 60. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 54. East wind 7 to 9 mph becoming south after midnight.

    Low: 54 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 67. South wind 7 to 11 mph becoming northwest in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy drizzle between 9am and 1pm. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 59. Southeast wind 7 to 10 mph.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 50. South wind 5 to 7 mph becoming northwest after midnight.
Christmas Day
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 60. Light and variable wind becoming east 5 to 7 mph in the morning.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 54. East wind 7 to 9 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 67. South wind 7 to 11 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A chance of rain before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
Last Update:
3:16 am CST Dec 24, 2025
Forecast Valid:
4am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation