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.

Rain

52°F

11°C

Humidity 93%
Wind Speed N 10 G 16 mph
Barometer 30.00 in
Dewpoint 50°F (10°C)
Visibility 5.00 mi
Wind Chill49°F (9°C)
Last update 1 Apr 4:55 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 51. Northeast wind around 10 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 59. Northeast wind 9 to 13 mph. Chance of precipitation is 90%.

    High: 59 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 55. East wind 9 to 15 mph becoming south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 74. Breezy, with a south wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

    High: 74 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. Breezy, with a south wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 51. Northeast wind around 10 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 59. Northeast wind 9 to 13 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 55. East wind 9 to 15 mph becoming south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 74. Breezy, with a south wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 59. Breezy, with a south wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Clear, with a low around 33.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 57.
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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:
3:01 am CDT Apr 1, 2026
Forecast Valid:
5am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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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