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

59°F

15°C

Humidity 31%
Wind Speed SW 18 mph
Barometer 29.83 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 13 Jan 10:50 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Today

    Today: Partly sunny, with a high near 63. West wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. West wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles and flurries between 7am and 9am. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Breezy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 38 °F⇓

    Breezy.
    Chance
    Sprinkles/Flurries
    then Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 17. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a temperature rising to around 32 by 3am.

    Low: 27 °F⇑

    Slight Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 63. West wind 9 to 15 mph, with gusts as high as 26 mph.
Tonight
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. West wind 8 to 13 mph, with gusts as high as 22 mph.
Wednesday
A chance of sprinkles and flurries between 7am and 9am. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Breezy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.
Wednesday Night
Clear, with a low around 17. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a temperature rising to around 32 by 3am.
Friday
Partly sunny, with a high near 44. Breezy.
Friday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 21. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
Last Update:
10:51 am CST Jan 13, 2026
Forecast Valid:
11am CST Jan 13, 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