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.

Fair

57°F

14°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Oct 6:50 am CDT
Extended Forecast for

Brighton IL

  • Today

    Today: Mostly sunny, with a high near 83. South wind 6 to 13 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind 8 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 78. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 78 °F

    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 48. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 48 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Sunny, with a high near 63. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 83. South wind 6 to 13 mph.
Tonight
Partly cloudy, with a low around 62. South wind 8 to 10 mph.
Saturday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 78. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 48. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Sunday
Sunny, with a high near 63. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Clear, with a low around 40.
Wednesday
Sunny, with a high near 68.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
Last Update:
6:21 am CDT Oct 17, 2025
Forecast Valid:
7am CDT Oct 17, 2025-6pm CDT Oct 23, 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