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.

Mostly Cloudy

64°F

18°C

Humidity 56%
Wind Speed SE 8 mph
Barometer 30.32 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Apr 12:45 pm CDT
Extended Forecast for

5 Miles E Carlinville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 70. Southeast wind around 10 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 61. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Partly sunny, with a high near 83. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 70. Southeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 58. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 61. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms after 7am. Partly sunny, with a high near 83. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
Last Update:
12:06 pm CDT Apr 11, 2026
Forecast Valid:
12pm CDT Apr 11, 2026-6pm CDT Apr 17, 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