Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
35°F
2°C
| Humidity | 91% |
| Wind Speed | Calm |
| Barometer | 29.95 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 27 Feb 2:15 am CST |
Extended Forecast for
2 Miles WSW Alton IL
Red Flag Warning February 27, 12:00pm until February 27, 06:00pm
Overnight

Low: 36 °F
Mostly Clear
Friday

High: 72 °F
Sunny
Friday Night

Low: 39 °F
Mostly Clear
Saturday
High: 65 °F
Mostly Sunny
then Chance
RainSaturday Night

Low: 30 °F
Partly Cloudy
Sunday
High: 46 °F
Mostly Cloudy
then Slight
Chance
Rain/SnowSunday Night

Low: 31 °F
Rain/Snow
Monday
High: 44 °F
Chance
Rain/Snow
then Slight
Chance RainMonday Night

Low: 35 °F
Chance Rain
Detailed Forecast
Overnight
Mostly clear, with a low around 36. Light and variable wind.
Friday
Sunny, with a high near 72. Light and variable wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 39. Southwest wind 5 to 8 mph becoming northeast after midnight.
Saturday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 65. Northeast wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 30. North wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
A slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.
Sunday Night
Rain and snow. Low around 31. Chance of precipitation is 80%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Monday Night
A 50 percent chance of rain. Cloudy, with a low around 35.
Tuesday
Rain. High near 52. Chance of precipitation is 80%.
Tuesday Night
Rain and thunderstorms likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Wednesday
Rain likely. Cloudy, with a high near 62. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Alton IL
38.88°N 90.19°W (Elev. 407 ft)
38.88°N 90.19°W (Elev. 407 ft)
1:16 am CST Feb 27, 2026
2am CST Feb 27, 2026-6pm CST Mar 5, 2026



