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.

Overcast

18°F

-8°C

Humidity 58%
Wind Speed NW 12 mph
Barometer 30.58 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 23 Feb 7:50 am CST
Extended Forecast for

Pocahontas IL

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 30. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Calm wind becoming south 5 to 8 mph after midnight.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 49. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 49 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain before noon. Partly sunny, with a high near 46.

    High: 46 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 30. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 18. Calm wind becoming south 5 to 8 mph after midnight.
Tuesday
Increasing clouds, with a high near 49. Breezy, with a south wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Mostly sunny, with a high near 50. Northwest wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
A slight chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain before noon. Partly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 58.
Friday Night
Clear, with a low around 38.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 48.
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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:
5:31 am CST Feb 23, 2026
Forecast Valid:
8am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation