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

70°F

21°C

Humidity 33%
Wind Speed SW 8 mph
Barometer 30.01 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 25 Mar 12:50 pm CDT
Extended Forecast for

5 Miles E Carlinville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. South wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 60. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 89. Southwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain and thunderstorms before 7pm, then rain and possibly a thunderstorm between 7pm and 4am, then rain after 4am. Low around 40. Breezy, with a southwest wind 10 to 20 mph becoming northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Rain and
    Breezy

  • Friday

    Friday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 50. North wind around 18 mph, with gusts as high as 28 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. South wind 11 to 13 mph, with gusts as high as 20 mph.
Tonight
A slight chance of rain and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 60. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 89. Southwest wind 10 to 18 mph, with gusts as high as 25 mph.
Thursday Night
A slight chance of rain and thunderstorms before 7pm, then rain and possibly a thunderstorm between 7pm and 4am, then rain after 4am. Low around 40. Breezy, with a southwest wind 10 to 20 mph becoming northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%.
Friday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 50. North wind around 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 61.
Sunday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 76.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 57.
Tuesday
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 79.
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:
1:25 pm CDT Mar 25, 2026
Forecast Valid:
1pm CDT Mar 25, 2026-6pm CDT Mar 31, 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