Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

66°F

19°C

Humidity 78%
Wind Speed Vrbl 6 mph
Barometer 30.33 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 2 Aug 8:50 am CDT
Extended Forecast for

Saint Jacob IL

  • Today

    Today: Mostly sunny, with a high near 79. Northeast wind 7 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Northeast wind 3 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Northeast wind 7 to 11 mph.
Tonight
Partly cloudy, with a low around 59. Northeast wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Jacob IL
 38.74°N 89.77°W (Elev. 453 ft)
5:26 am CDT Aug 2, 2025
8am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
 
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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