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

75°F

24°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 30.01 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 7:50 pm CDT
Extended Forecast for

Pocahontas IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind.

    High: 84 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 7am. High near 80. Southeast wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.

    High: 80 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 1am. Low around 66. Southwest wind 9 to 11 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 66 °F

    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind.
Saturday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms, mainly after 7am. High near 80. Southeast wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms, mainly before 1am. Low around 66. Southwest wind 9 to 11 mph becoming northwest after midnight. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pocahontas IL
 38.82°N 89.54°W (Elev. 509 ft)
Last Update:
6:01 pm CDT Jun 19, 2026
Forecast Valid:
8pm CDT Jun 19, 2026-6pm CDT Jun 26, 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