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

64°F

18°C

Humidity 60%
Wind Speed SW 7 mph
Barometer 30.18 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 10 Apr 7:45 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Cloudy, with a high near 66. Southwest wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 46. North wind 6 to 8 mph becoming east after midnight.

    Low: 46 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Southeast wind around 10 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Cloudy, with a high near 66. Southwest wind 7 to 11 mph becoming north in the afternoon. Chance of precipitation is 30%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 46. North wind 6 to 8 mph becoming east after midnight.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Southeast wind around 10 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 57. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 78.
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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:
5:56 am CDT Apr 10, 2026
Forecast Valid:
8am CDT Apr 10, 2026-6pm CDT Apr 16, 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