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

81°F

27°C

Humidity 58%
Wind Speed W 14 G 20 mph
Barometer 29.82 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jun 5:50 pm CDT
Extended Forecast for

Brighton IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 66. West wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. Northwest wind 7 to 9 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Northwest wind around 6 mph becoming light and variable.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. South wind 6 to 11 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind around 11 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 66. West wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Juneteenth
Sunny, with a high near 83. Northwest wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 66. Northwest wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 89. South wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 74. South wind around 11 mph.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.06°N 90.16°W (Elev. 617 ft)
Last Update:
5:52 pm CDT Jun 18, 2025
Forecast Valid:
6pm CDT Jun 18, 2025-6pm CDT Jun 25, 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