Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

6°F

-14°C

Humidity 82%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 5 Dec 6:35 am CST
Extended Forecast for

Brighton IL

  • Today

    Today: Sunny, with a high near 38. South wind 5 to 9 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South wind around 8 mph becoming west after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 35. Northwest wind around 6 mph becoming light and variable.

    High: 35 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow after midnight.  Mostly cloudy, with a low around 27. East wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of rain and snow before 9am, then a chance of snow between 9am and noon.  Mostly cloudy, with a high near 35. Southeast wind 7 to 14 mph becoming north in the afternoon.  Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 38. South wind 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 27. South wind around 8 mph becoming west after midnight.
Saturday
Mostly cloudy, with a high near 35. Northwest wind around 6 mph becoming light and variable.
Saturday Night
A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 27. East wind around 7 mph.
Sunday
A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a high near 35. Southeast wind 7 to 14 mph becoming north in the afternoon. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly cloudy, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
6:36 am CST Dec 5, 2025
7am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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