Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

55°F

13°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.88 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 25 Nov 4:50 pm CST
Extended Forecast for

Saint Jacob IL

  • Tonight

    Tonight: A slight chance of rain between 7pm and 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.

    High: 45 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 26. West wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 42. Northwest wind 8 to 14 mph.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow after midnight.  Cloudy, with a low around 29.

    Low: 29 °F

    Cloudy then
    Chance Snow

  • Saturday

    Saturday: Rain and snow.  High near 39. Chance of precipitation is 80%.

    High: 39 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight.  Cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

Tonight
A slight chance of rain between 7pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.
Wednesday Night
Increasing clouds, with a low around 26. West wind 9 to 14 mph, with gusts as high as 22 mph.
Thanksgiving Day
Sunny, with a high near 42. Northwest wind 8 to 14 mph.
Thursday Night
Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 38.
Friday Night
A 50 percent chance of snow after midnight. Cloudy, with a low around 29.
Saturday
Rain and snow. High near 39. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 35.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Jacob IL
 38.72°N 89.77°W (Elev. 499 ft)
4:41 pm CST Nov 25, 2025
5pm CST Nov 25, 2025-6pm CST Dec 2, 2025
 
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Additional Resources

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