Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
35°F
2°C
| Humidity | 63% |
| Wind Speed | SE 6 mph |
| Barometer | 30.31 in |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 29 Nov 3:15 am CST |
Extended Forecast for
Saint Jacob IL
Winter Weather Advisory November 29, 03:27am until November 30, 12:00am
NOW until 12:00am Sun

Winter Weather Advisory
Overnight

Low: 29 °F
Snow
Saturday

High: 38 °F
Wintry Mix
and BreezySaturday Night
Low: 25 °F
Breezy.
Chance Rain
then CloudySunday

High: 29 °F
Mostly Cloudy
Sunday Night

Low: 17 °F
Mostly Cloudy
Monday
High: 31 °F
Mostly Cloudy
then Slight
Chance SnowMonday Night

Low: 21 °F
Snow Likely
Tuesday

High: 30 °F
Partly Sunny
Detailed Forecast
Overnight
Snow. Low around 29. Southeast wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Saturday
Rain and snow, possibly mixed with sleet before 3pm, then rain, possibly mixed with snow between 3pm and 4pm, then rain likely after 4pm. The snow could be heavy at times. High near 38. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Saturday Night
A 50 percent chance of rain before 10pm. Cloudy, with a low around 25. Breezy, with a south wind 17 to 21 mph becoming west after midnight. Winds could gust as high as 34 mph.
Sunday
Mostly cloudy, with a high near 29. Northwest wind 11 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 17. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
A 20 percent chance of snow after noon. Cloudy, with a high near 31.
Monday Night
Snow likely. Cloudy, with a low around 21. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.
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)
3:16 am CST Nov 29, 2025
3am CST Nov 29, 2025-6pm CST Dec 5, 2025



