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

32°F

0°C

Humidity 64%
Wind Speed N 5 mph
Barometer 30.66 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Mar 6:45 am CDT
Extended Forecast for

5 Miles E Carlinville IL

Freeze Warning March 28, 07:41am until March 28, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning March 28, 07:41am until March 28, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Today

    High: 53 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. South wind 8 to 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. South wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. South wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. South wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.

    High: 82 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Rain

Detailed Forecast

Today
Widespread frost before 10am. Otherwise, sunny, with a high near 53. Light and variable wind becoming south 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 37. South wind 8 to 10 mph.
Sunday
Partly sunny, with a high near 65. South wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 53. South wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 80. South wind 11 to 18 mph, with gusts as high as 26 mph.
Monday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 63.
Tuesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 54.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
Last Update:
6:16 am CDT Mar 28, 2026
Forecast Valid:
7am CDT Mar 28, 2026-6pm CDT Apr 3, 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