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 48%
Wind Speed SE 12 mph
Barometer 29.83 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Mar 7:50 pm CDT
Extended Forecast for

2 Miles SSW Brighton IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. South wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 65. Breezy, with a south wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 65 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Low around 19. Windy, with a west wind 30 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Windy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Windy, with a northwest wind 24 to 31 mph, with gusts as high as 44 mph.

    High: 27 °F

    Slight Chance
    Snow and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. South wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday
Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 65. Breezy, with a south wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 9pm, then a chance of rain and snow between 9pm and 10pm, then a chance of snow after 10pm. Low around 19. Windy, with a west wind 30 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Windy, with a northwest wind 24 to 31 mph, with gusts as high as 44 mph.
Monday Night
Partly cloudy, with a low around 12. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 76.
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:
5:31 pm CDT Mar 14, 2026
Forecast Valid:
8pm CDT Mar 14, 2026-6pm CDT Mar 21, 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