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.

Light Rain Fog/Mist

34°F

1°C

Humidity 93%
Wind Speed SE 16 mph
Barometer 29.96 in
Dewpoint 32°F (0°C)
Visibility 2.00 mi
Wind Chill24°F (-4°C)
Last update 29 Nov 1:50 pm CST
Extended Forecast for

Brighton IL

Winter Storm Warning November 29, 02:02pm until November 30, 12:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 29, 02:02pm until November 30, 12:00am

    NOW until 12:00am Sun

    Winter Storm Warning

  • This Afternoon

    High: 37 °F

    Wintry Mix

  • Tonight

    Tonight: Rain, mainly before 8pm. Low around 21. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%.

    Low: 21 °F

    Breezy. Rain
    then Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 26. West wind 10 to 17 mph, with gusts as high as 30 mph.

    High: 26 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of snow after noon. Cloudy, with a high near 29. Calm wind becoming southeast around 5 mph.

    High: 29 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Rain and snow, possibly mixed with sleet before 4pm, then rain and snow between 4pm and 5pm, then rain after 5pm. High near 37. South wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of 3 to 5 inches possible.
Tonight
Rain, mainly before 8pm. Low around 21. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%.
Sunday
Mostly cloudy, with a high near 26. West wind 10 to 17 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 18. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Monday
A 50 percent chance of snow after noon. Cloudy, with a high near 29. Calm wind becoming southeast around 5 mph.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 20%.
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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:
1:41 pm CST Nov 29, 2025
Forecast Valid:
2pm CST Nov 29, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation