Hazardous Weather Conditions
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
5 Miles NNW Greenville IL
Frost Advisory October 18, 01:00am until October 18, 09:00am
This Afternoon
High: 60 °F
Sunny
Tonight
Low: 34 °F
Clear then
Areas FrostSunday
High: 69 °F
Areas 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: 41 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 60. Light north wind.
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south around 6 mph in the morning.
Sunday Night
Clear, with a low around 36. Calm 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 41.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles NNW Greenville IL
38.95°N 89.42°W (Elev. 551 ft)
38.95°N 89.42°W (Elev. 551 ft)
1:26 pm CDT Oct 17, 2026
1pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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