Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
43°F
6°C
| Humidity | 57% |
| Wind Speed | S 14 mph |
| Barometer | 30.03 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 18 Mar 9:50 am CDT |
Extended Forecast for
Saint Jacob IL
Today
High: 63 °F
Sunny
Tonight
Low: 42 °F
Mostly Cloudy
Thursday
High: 71 °F
Becoming
SunnyThursday Night
Low: 46 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 53 °F
Mostly Cloudy
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 55 °F
Clear
Sunday
High: 79 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 63. West wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 42. Light and variable wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Light and variable wind becoming southwest around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 46. Light and variable wind.
Friday
Sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Sunny, with a high near 77.
Saturday Night
Clear, with a low around 55.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Jacob IL
38.7°N 89.77°W (Elev. 509 ft)
38.7°N 89.77°W (Elev. 509 ft)
8:52 am CDT Mar 18, 2026
10am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
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