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

72°F

22°C

Humidity 33%
Wind Speed NW 20 G 26 mph
Barometer 29.69 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 7 Nov 12:50 pm CST
Extended Forecast for

2 Miles WNW Saint Jacob IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. West wind 8 to 14 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind 3 to 7 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 66. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 36. East wind 6 to 16 mph becoming northwest in the evening.

    Low: 36 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. West wind 8 to 14 mph.
Tonight
Mostly clear, with a low around 42. West wind 3 to 7 mph.
Saturday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 66. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 36. East wind 6 to 16 mph becoming northwest in the evening.
Sunday
A slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 25.
Veterans Day
Mostly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Saint Jacob IL
 38.74°N 89.8°W (Elev. 479 ft)
Last Update:
10:36 am CST Nov 7, 2025
Forecast Valid:
1pm CST Nov 7, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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