Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
55°F
13°C
| Humidity | 47% |
| Wind Speed | NE 5 mph |
| Barometer | 30.56 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 54°F (12°C) |
| Last update | 17 Oct 12:50 pm CDT |
Extended Forecast for
Mount Olive IL
This Afternoon

High: 59 °F
Sunny
Tonight

Low: 34 °F
Clear then
Areas FrostSunday

High: 69 °F
Frost then
SunnySunday Night

Low: 36 °F
Clear
Monday

High: 72 °F
Sunny
Monday Night

Low: 38 °F
Mostly Clear
Tuesday

High: 75 °F
Sunny
Tuesday Night

Low: 42 °F
Mostly Clear
Wednesday

High: 78 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 59. Light northeast wind.
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 36. Light southeast wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Mount Olive IL
39.09°N 89.73°W (Elev. 676 ft)
39.09°N 89.73°W (Elev. 676 ft)
12:46 pm CDT Oct 17, 2026
1pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026


