Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
20°F
-7°C
| Humidity | 84% |
| Wind Speed | W 3 mph |
| Barometer | 30.47 in |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Last update | 28 Nov 5:15 am CST |
Extended Forecast for
Saint Jacob IL
Winter Weather Advisory November 29, 12:00am until November 30, 12:00am
Today

High: 38 °F
Sunny
Tonight
Low: 30 °F
Cloudy then
SnowSaturday

High: 38 °F
Wintry Mix
and BreezySaturday Night
Low: 25 °F
Rain/Snow
then CloudySunday

High: 30 °F
Mostly Cloudy
Sunday Night

Low: 16 °F
Mostly Cloudy
Monday

High: 28 °F
Mostly Cloudy
Monday Night

Low: 17 °F
Chance Snow
Tuesday

High: 31 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 38. Light and variable wind becoming northwest around 6 mph.
Tonight
Snow, mainly after 4am. Low around 30. Light southeast wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday
Snow, possibly mixed with sleet before noon, then rain, possibly mixed with snow and sleet between noon and 3pm, then rain after 3pm. The snow could be heavy at times. High near 38. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Saturday Night
Rain, mixing with snow after 9pm, then gradually ending. Low around 25. South wind 14 to 18 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 30. Northwest wind 11 to 18 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 28.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 33.
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)
4:51 am CST Nov 28, 2025
5am CST Nov 28, 2025-6pm CST Dec 4, 2025



