


Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Partly Cloudy
84°F
29°C
Humidity | 51% |
Wind Speed | W 5 mph |
Barometer | 30.06 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Heat Index | 85°F (29°C) |
Last update | 3 Jul 11:50 am CDT |
Extended Forecast for
Saint Jacob IL
This Afternoon
High: 91 °F
Mostly Sunny
Tonight
Low: 71 °F
Mostly Clear
Independence Day
High: 91 °F
Mostly Sunny
Friday Night
Low: 71 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 74 °F
Partly Cloudy
Sunday
High: 91 °F
Chance
T-stormsSunday Night
Low: 71 °F
Slight Chance
T-stormsMonday
High: 89 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 91. Light south wind.
Tonight
Mostly clear, with a low around 71. Calm wind.
Independence Day
Mostly sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 71. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
11:21 am CDT Jul 3, 2025
12pm CDT Jul 3, 2025-6pm CDT Jul 9, 2025