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.

Mostly Cloudy

61°F

16°C

Humidity 36%
Wind Speed Vrbl 5 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 28 Feb 4:50 pm CST
Extended Forecast for

4 Miles ENE Pocahontas IL

  • This Afternoon

    This Afternoon: A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a steady temperature around 59. Light southeast wind.

    High: 59 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Light north wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 45. Northeast wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 45 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of rain and snow before 8pm, then snow likely. Cloudy, with a low around 32. East wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 43. East wind 7 to 10 mph.

    High: 43 °F

    Chance Rain
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then rain likely and possibly a thunderstorm after noon. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a steady temperature around 59. Light southeast wind.
Tonight
A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Light north wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday
Increasing clouds, with a high near 45. Northeast wind 9 to 14 mph, with gusts as high as 22 mph.
Sunday Night
A chance of rain and snow before 8pm, then snow likely. Cloudy, with a low around 32. East wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 43. East wind 7 to 10 mph.
Monday Night
Rain. Low around 39. Chance of precipitation is 80%.
Tuesday
Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then rain likely and possibly a thunderstorm after noon. High near 62. Chance of precipitation is 90%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Rain likely. Partly sunny, with a high near 68. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 55.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Pocahontas IL
 38.84°N 89.45°W (Elev. 554 ft)
Last Update:
4:36 pm CST Feb 28, 2026
Forecast Valid:
5pm CST Feb 28, 2026-6pm CST Mar 7, 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