


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
A Few Clouds
90°F
32°C
Humidity | 52% |
Wind Speed | S 10 mph |
Barometer | 30.00 in |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Heat Index | 96°F (36°C) |
Last update | 11 Aug 3:50 pm CDT |
Extended Forecast for
Saint Jacob IL
Tonight
Low: 72 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny then
Chance
T-stormsTuesday Night
Low: 70 °F
Chance
T-stormsWednesday
High: 87 °F
Chance
T-stormsWednesday Night
Low: 68 °F
Partly Cloudy
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 71 °F
Mostly Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 74 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 72. South wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 91. Southwest wind 3 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Saint Jacob IL
38.72°N 89.77°W (Elev. 499 ft)
38.72°N 89.77°W (Elev. 499 ft)
2:26 pm CDT Aug 11, 2025
4pm CDT Aug 11, 2025-6pm CDT Aug 18, 2025