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

45°F

7°C

Humidity 81%
Wind Speed SW 7 mph
Barometer 30.23 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 3 Nov 7:50 am CST
Extended Forecast for

2 Miles WNW Saint Jacob IL

  • Today

    Today: Sunny, with a high near 62. Southwest wind 5 to 9 mph becoming northwest in the afternoon.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Light southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 24 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73. Southwest wind 7 to 10 mph becoming northwest in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Southwest wind 5 to 9 mph becoming northwest in the afternoon.
Tonight
Mostly clear, with a low around 38. Light and variable wind.
Tuesday
Sunny, with a high near 69. Light southeast wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 50. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 73. Southwest wind 7 to 10 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 68.
Thursday Night
A 30 percent chance of rain after midnight. Partly cloudy, with a low around 55.
Friday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Saint Jacob IL
 38.74°N 89.8°W (Elev. 479 ft)
Last Update:
7:26 am CST Nov 3, 2025
Forecast Valid:
8am CST Nov 3, 2025-6pm CST Nov 9, 2025
 
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