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

62°F

17°C

Humidity 98%
Wind Speed NA
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 0.75 mi
Last update 21 Sep 3:55 am CDT
Extended Forecast for

Pocahontas IL

  • Today

    Today: A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 1am. Low around 65. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms, mainly before 1am, then showers and possibly a thunderstorm after 1am. Low around 65. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. South wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 57.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 79.
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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:
3:31 am CDT Sep 21, 2025
Forecast Valid:
4am CDT Sep 21, 2025-6pm CDT Sep 27, 2025
 
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