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

34°F

1°C

Humidity 81%
Wind Speed S 5 mph
Barometer 30.12 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 3 Dec 4:50 pm CST
Extended Forecast for

Brighton IL

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Cloudy, with a high near 33. Southwest wind around 5 mph.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely before 2am, then a chance of flurries between 2am and 3am. Cloudy, with a low around 9. Light and variable wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Snow Likely
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny and cold, with a high near 20. North wind 5 to 9 mph becoming light northeast in the afternoon.

    High: 20 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. Light and variable wind becoming south around 6 mph after midnight.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35. South wind 5 to 7 mph.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

    Low: 23 °F

    Cloudy then
    Slight Chance
    Freezing Rain

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Cloudy, with a high near 33. Southwest wind around 5 mph.
Tonight
Snow likely before 2am, then a chance of flurries between 2am and 3am. Cloudy, with a low around 9. Light and variable wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny and cold, with a high near 20. North wind 5 to 9 mph becoming light northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 9. Light and variable wind becoming south around 6 mph after midnight.
Friday
Mostly sunny, with a high near 35. South wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 35.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 46.
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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:
4:56 pm CST Dec 3, 2025
Forecast Valid:
5pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation