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

64°F

18°C

Humidity 89%
Wind Speed SW 10 mph
Barometer 29.93 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Apr 5:35 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 64. Southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 64 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rainfall. Temperature falling to around 52 by 1pm. West wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 62 °F⇓

    Heavy Rain
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Northwest wind 10 to 14 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind around 6 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Steady temperature around 64. Southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rainfall. Temperature falling to around 52 by 1pm. West wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West wind 10 to 16 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 55. Northwest wind 10 to 14 mph.
Sunday Night
Mostly clear, with a low around 37. West wind around 6 mph.
Monday
Sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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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:
4:36 am CDT Apr 4, 2026
Forecast Valid:
5am CDT Apr 4, 2026-6pm CDT Apr 10, 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