National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

72°F

22°C

Humidity 57%
Wind Speed S 8 mph
Barometer 29.92 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 7:50 am CDT
Extended Forecast for

Pocahontas IL

  • Today

    Today: Sunny, with a high near 94. Southwest wind 7 to 9 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 71. South wind 5 to 7 mph becoming light and variable after midnight.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. High near 81. Light and variable wind. Chance of precipitation is 100%.

    High: 81 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 82. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Southwest wind 7 to 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Increasing clouds, with a low around 71. South wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. High near 81. Light and variable wind. Chance of precipitation is 100%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 82. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 63. Breezy.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pocahontas IL
 38.82°N 89.54°W (Elev. 509 ft)
Last Update:
6:11 am CDT Oct 13, 2026
Forecast Valid:
8am CDT Oct 13, 2026-6pm CDT Oct 19, 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