Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

A Few Clouds

34°F

1°C

Humidity 87%
Wind Speed W 6 mph
Barometer 29.99 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 6 Dec 8:50 am CST
Extended Forecast for

Brighton IL

  • Today

    Today: Partly sunny, with a high near 40. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 10pm and 1am.  Cloudy, with a low around 31. Southeast wind around 8 mph.

    Low: 31 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 11am, then a slight chance of snow between 11am and noon.  Mostly cloudy, with a temperature falling to around 27 by 5pm. South wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. North wind 6 to 10 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. North wind around 6 mph becoming light and variable.

    High: 30 °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 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before noon.  Partly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 40. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
A 30 percent chance of rain, mainly between 10pm and 1am. Cloudy, with a low around 31. Southeast wind around 8 mph.
Sunday
A slight chance of rain before 11am, then a slight chance of snow between 11am and noon. Mostly cloudy, with a temperature falling to around 27 by 5pm. South wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 14. North wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 30. North wind around 6 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 42.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
8:16 am CST Dec 6, 2025
9am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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Additional Resources

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