Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fog/Mist
54°F
12°C
| Humidity | 97% |
| Wind Speed | SE 6 mph |
| Barometer | 30.02 in |
| Dewpoint | 53°F (12°C) |
| Visibility | 2.50 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 6 Mar 1:35 am CST |
Extended Forecast for
2 Miles WSW Alton IL
Dense Fog Advisory until March 6, 09:00am
NOW until 9:00am Fri
Dense Fog Advisory
Overnight
Low: 54 °F
Slight Chance
T-storms and
Areas Dense
FogFriday
High: 78 °F
Slight Chance
T-storms then
Partly SunnyFriday Night
Low: 61 °F
Slight Chance
T-storms then
RainSaturday
High: 64 °F⇓
Chance Rain
then Partly
SunnySaturday Night
Low: 38 °F
Partly Cloudy
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 48 °F
Clear
Monday
High: 78 °F
Sunny
Detailed Forecast
Overnight
A 20 percent chance of rain and thunderstorms after 4am. Areas of dense fog after 3am. Otherwise, mostly cloudy, with a low around 54. Southeast wind around 7 mph.
Friday
A 20 percent chance of rain and thunderstorms before 7am. Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 29 mph.
Friday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 61. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a temperature rising to near 64 by 9am, then falling to around 57 during the remainder of the day. South wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 38. West wind 5 to 10 mph becoming light in the evening.
Sunday
Sunny, with a high near 66.
Sunday Night
Clear, with a low around 48.
Monday
Sunny, with a high near 78.
Monday Night
A 30 percent chance of rain, mainly after midnight. Mostly clear, with a low around 58.
Tuesday
A chance of rain, then rain likely and possibly a thunderstorm after noon. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 58.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
1:21 am CST Mar 6, 2026
1am CST Mar 6, 2026-6pm CDT Mar 12, 2026
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