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.

Partly Cloudy

91°F

33°C

Humidity 38%
Wind Speed SW 10 mph
Barometer 30.16 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jun 2:50 pm CDT
Extended Forecast for

Saint Jacob IL

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind 5 to 8 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 94. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 75. South wind 7 to 10 mph.

    Low: 75 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northwest wind 7 to 10 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 94. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 75. South wind 7 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northwest wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 71. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Jacob IL
 38.72°N 89.77°W (Elev. 499 ft)
Last Update:
3:07 pm CDT Jun 21, 2024
Forecast Valid:
3pm CDT Jun 21, 2024-6pm CDT Jun 28, 2024
 
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