Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fog
51°F
11°C
| Humidity | 98% |
| Wind Speed | NE 3 mph |
| Barometer | 29.59 in |
| Dewpoint | 51°F (11°C) |
| Visibility | 0.50 mi |
| Last update | 19 Feb 6:15 am CST |
Extended Forecast for
3 Miles NNE Granite City IL
Dense Fog Advisory until February 19, 09:00am
NOW until 9:00am Thu

Dense Fog Advisory
Today

High: 67 °F
T-storms
Likely and
Dense FogTonight
Low: 37 °F
Mostly Clear
then Partly
Cloudy and
BreezyFriday

High: 49 °F
Sunny
Friday Night

Low: 30 °F
Partly Cloudy
Saturday
High: 46 °F
Mostly Sunny
then Slight
Chance
Rain/SnowSaturday Night

Low: 25 °F
Mostly Clear
Sunday

High: 39 °F
Sunny and
BreezySunday Night

Low: 20 °F
Mostly Clear
Detailed Forecast
Today
Rain and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm. Widespread dense fog before 8am. Otherwise, mostly cloudy, with a high near 67. Southeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Tonight
Partly cloudy, with a low around 37. Breezy, with a west wind 10 to 20 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 49. West wind 8 to 18 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 30. North wind 3 to 6 mph.
Saturday
A slight chance of rain and snow after noon. Mostly sunny, with a high near 46. Northwest wind 6 to 11 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 39. Breezy.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Granite City IL
38.77°N 90.11°W (Elev. 417 ft)
38.77°N 90.11°W (Elev. 417 ft)
4:26 am CST Feb 19, 2026
6am CST Feb 19, 2026-6pm CST Feb 25, 2026



