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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed E 8 mph
Barometer 30.19 in
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill33°F (1°C)
Last update 2 Mar 8:50 pm CST
Extended Forecast for

5 Miles E Carlinville IL

  • Tonight

    Tonight: Rain, mainly after 4am. Patchy fog before 1am, then patchy fog after 2am. Low around 36. Southeast wind 5 to 7 mph. Chance of precipitation is 90%.

    Low: 36 °F

    Patchy Fog
    then Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain and thunderstorms, mainly before 1pm, then rain and possibly a thunderstorm after 3pm. Patchy fog before noon, then patchy fog after 4pm. High near 52. East wind 3 to 6 mph. Chance of precipitation is 100%.

    High: 52 °F

    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm, mainly before 5am, then a chance of rain and thunderstorms after 5am. Patchy fog between 8pm and 10pm. Low around 44. East wind 7 to 10 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 62. East wind around 7 mph becoming south in the afternoon. Chance of precipitation is 90%.

    High: 62 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 52. South wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance Rain

  • Friday

    Friday: Rain likely and possibly a thunderstorm before noon, then a chance of rain. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 60%.

    High: 76 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after midnight. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Chance
    T-storms then
    Rain

Detailed Forecast

Tonight
Rain, mainly after 4am. Patchy fog before 1am, then patchy fog after 2am. Low around 36. Southeast wind 5 to 7 mph. Chance of precipitation is 90%.
Tuesday
Rain and thunderstorms, mainly before 1pm, then rain and possibly a thunderstorm after 3pm. Patchy fog before noon, then patchy fog after 4pm. High near 52. East wind 3 to 6 mph. Chance of precipitation is 100%.
Tuesday Night
Rain and possibly a thunderstorm, mainly before 5am, then a chance of rain and thunderstorms after 5am. Patchy fog between 8pm and 10pm. Low around 44. East wind 7 to 10 mph. Chance of precipitation is 100%.
Wednesday
Rain and possibly a thunderstorm. High near 62. East wind around 7 mph becoming south in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 52. South wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday
Rain and possibly a thunderstorm before noon, then a chance of rain and thunderstorms after noon. High near 67. Chance of precipitation is 80%.
Thursday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 51. Chance of precipitation is 40%.
Friday
Rain likely and possibly a thunderstorm before noon, then a chance of rain. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 60%.
Friday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after midnight. Low around 57. Chance of precipitation is 80%.
Saturday
Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 67. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 45.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 62.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of rain. Mostly sunny, with a high near 68.
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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:
9:46 pm CST Mar 2, 2026
Forecast Valid:
9pm CST Mar 2, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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