Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
55°F
13°C
| Humidity | 82% |
| Wind Speed | SW 6 mph |
| Barometer | 29.88 in |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 54°F (12°C) |
| Last update | 25 Nov 4:50 pm CST |
Extended Forecast for
Saint Jacob IL
Tonight
Low: 35 °F
Slight Chance
Rain then
Partly Cloudy
and BreezyWednesday

High: 45 °F
Becoming
Sunny and
BreezyWednesday Night

Low: 26 °F
Increasing
CloudsThanksgiving Day

High: 42 °F
Sunny
Thursday Night

Low: 21 °F
Mostly Clear
Friday

High: 38 °F
Mostly Sunny
Friday Night
Low: 29 °F
Cloudy then
Chance SnowSaturday

High: 39 °F
Rain/Snow
Saturday Night
Low: 28 °F
Rain Likely
then Chance
Rain
Detailed Forecast
Tonight
A slight chance of rain between 7pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.
Wednesday Night
Increasing clouds, with a low around 26. West wind 9 to 14 mph, with gusts as high as 22 mph.
Thanksgiving Day
Sunny, with a high near 42. Northwest wind 8 to 14 mph.
Thursday Night
Mostly clear, with a low around 21. Northwest wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 38.
Friday Night
A 50 percent chance of snow after midnight. Cloudy, with a low around 29.
Saturday
Rain and snow. High near 39. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 35.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 20%.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 32.
Additional Forecasts and Information
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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)
4:41 pm CST Nov 25, 2025
5pm CST Nov 25, 2025-6pm CST Dec 2, 2025


