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

54°F

12°C

Humidity 33%
Wind Speed Vrbl 5 mph
Barometer 30.16 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 12 Jan 4:50 pm CST
Extended Forecast for

2 Miles SSW Brighton IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then clearing, with a low around 36. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. West wind 9 to 15 mph, with gusts as high as 30 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 10pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 35. West wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a temperature rising to near 39 by 11am, then falling to around 31 during the remainder of the day. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 34 mph.

    High: 39 °F⇓

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. North wind 11 to 18 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then clearing, with a low around 36. South wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 58. West wind 9 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 10pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 35. West wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a temperature rising to near 39 by 11am, then falling to around 31 during the remainder of the day. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 16. North wind 11 to 18 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Brighton IL
 39.02°N 90.16°W (Elev. 636 ft)
Last Update:
4:46 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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