Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fog/Mist Rain
70°F
21°C
| Humidity | 94% |
| Wind Speed | SE 8 mph |
| Barometer | 30.02 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 2.00 mi |
| Last update | 15 Oct 9:50 am CDT |
Extended Forecast for
Saint Jacob IL
Today

High: 81 °F
Heavy Rain
Tonight

Low: 47 °F
Showers
LikelyFriday

High: 57 °F
Mostly Cloudy
and BreezyFriday Night

Low: 37 °F
Decreasing
CloudsSaturday

High: 60 °F
Sunny
Saturday Night

Low: 35 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 38 °F
Mostly Clear
Monday

High: 73 °F
Mostly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 81. Southwest wind 8 to 11 mph. Chance of precipitation is 100%.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Increasing clouds, with a low around 47. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Friday
Sunny through mid morning, then becoming mostly cloudy, with a high near 57. Breezy, with a northwest wind 18 to 23 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 8 to 18 mph.
Saturday
Sunny, with a high near 60. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Jacob IL
38.7°N 89.8°W (Elev. 482 ft)
38.7°N 89.8°W (Elev. 482 ft)
11:21 am CDT Oct 15, 2026
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026


