Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
23°F
-5°C
| Humidity | 74% |
| Wind Speed | N 3 mph |
| Barometer | 30.33 in |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Last update | 8 Dec 4:55 am CST |
Extended Forecast for
Saint Jacob IL
Today

High: 34 °F
Gradual
ClearingTonight

Low: 24 °F
Increasing
CloudsTuesday

High: 51 °F
Mostly Sunny
Tuesday Night

Low: 43 °F
Mostly Cloudy
Wednesday

High: 47 °F⇓
Partly Sunny
and BreezyWednesday Night

Low: 26 °F
Mostly Cloudy
Thursday
High: 37 °F
Slight Chance
Snow then
Mostly CloudyThursday Night

Low: 21 °F
Mostly Cloudy
Friday

High: 32 °F
Partly Sunny
Detailed Forecast
Today
Cloudy through mid morning, then gradual clearing, with a high near 34. North wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Increasing clouds, with a low around 24. Light southeast wind becoming south 6 to 11 mph in the evening.
Tuesday
Mostly sunny, with a high near 51. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 43. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 29 mph.
Wednesday
Partly sunny, with a temperature falling to around 37 by 5pm. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny and cold, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 27.
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)
4:01 am CST Dec 8, 2025
5am CST Dec 8, 2025-6pm CST Dec 14, 2025


