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.

Partly Cloudy

60°F

16°C

Humidity 81%
Wind Speed SE 16 mph
Barometer 30.01 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Mar 1:55 am CDT
Extended Forecast for

Brighton IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 52. South wind around 9 mph.

    Low: 52 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 79. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 79 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. South wind 13 to 17 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. South wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Chance
    T-storms

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 73. Chance of precipitation is 90%.

    High: 73 °F

    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 52. South wind around 9 mph.
Friday
Mostly sunny, with a high near 79. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Mostly cloudy, with a low around 58. South wind 13 to 17 mph.
Saturday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 71. South wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. South wind 14 to 16 mph, with gusts as high as 24 mph.
Sunday
Rain and possibly a thunderstorm. High near 73. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of rain and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 72. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
Last Update:
2:07 am CDT Mar 28, 2025
Forecast Valid:
2am CDT Mar 28, 2025-6pm CDT Apr 3, 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