National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

67°F

19°C

Humidity 75%
Wind Speed NA
Barometer 29.76 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Oct 2:55 am CDT
Extended Forecast for

2 Miles SSE Brighton IL

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 75. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 75 °F

    Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers. The rain could be heavy at times. Low around 49. Breezy, with a southwest wind 7 to 12 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

    Low: 49 °F

    Heavy Rain
    then Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 63 °F

    Becoming
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 43. West wind 5 to 9 mph becoming south after midnight.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 6 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 75. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
Showers. The rain could be heavy at times. Low around 49. Breezy, with a southwest wind 7 to 12 mph becoming northwest 17 to 22 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 43. West wind 5 to 9 mph becoming south after midnight.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 62. Breezy.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 47.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Brighton IL
 39.02°N 90.13°W (Elev. 600 ft)
Last Update:
2:56 am CDT Oct 18, 2025
Forecast Valid:
3am CDT Oct 18, 2025-6pm CDT Oct 24, 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