National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

90°F

32°C

Humidity 29%
Wind Speed SE 7 mph
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Jun 1:50 pm CDT
Extended Forecast for

Saint Jacob IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. Southeast wind around 8 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Southeast wind around 8 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 103. South wind 8 to 14 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South wind 6 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Southeast wind around 8 mph.
Tonight
Mostly clear, with a low around 70. Southeast wind around 8 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 103. South wind 8 to 14 mph.
Sunday Night
Partly cloudy, with a low around 74. South wind 6 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. South wind 7 to 16 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 73.
Juneteenth
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Saint Jacob IL
 38.72°N 89.77°W (Elev. 499 ft)
Last Update:
11:52 am CDT Jun 15, 2024
Forecast Valid:
2pm CDT Jun 15, 2024-6pm CDT Jun 21, 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