Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
68°F
20°C
| Humidity | 94% |
| Wind Speed | S 6 mph |
| Barometer | 29.95 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 8:50 am CDT |
Extended Forecast for
Saint Jacob IL
Today
High: 79 °F
Showers then
Showers
LikelyTonight
Low: 66 °F
Chance
Showers then
Chance
T-stormsThursday
High: 84 °F
Showers
LikelyThursday Night
Low: 49 °F
Showers
LikelyFriday
High: 61 °F
Mostly Sunny
and BreezyFriday Night
Low: 38 °F
Mostly Clear
Saturday
High: 63 °F
Sunny
Saturday Night
Low: 37 °F
Clear
Sunday
High: 71 °F
Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. Northeast wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 90%.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 66. North wind 5 to 7 mph becoming east after midnight. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. East wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 49. Southwest wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 61. Breezy, with a northwest wind 21 to 25 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
5:06 am CDT Oct 14, 2026
9am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
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