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.

Fair

53°F

12°C

Humidity 82%
Wind Speed E 6 mph
Barometer 30.13 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 12 May 2:35 am CDT
Extended Forecast for

Pocahontas IL

  • Overnight

    Overnight: Mostly clear, with a low around 50. Light southeast wind.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Southeast wind 5 to 14 mph becoming southwest in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, then gradually becoming clear, with a low around 56. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 72. Northwest wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. North wind 5 to 7 mph becoming calm in the evening.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Light southeast wind.
Tuesday
Sunny, with a high near 80. Southeast wind 5 to 14 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, then gradually becoming clear, with a low around 56. Southwest wind around 8 mph becoming northwest after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 72. Northwest wind 8 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 47. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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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:
1:26 am CDT May 12, 2026
Forecast Valid:
2am CDT May 12, 2026-6pm CDT May 18, 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