Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog
52°F
11°C
| Humidity | 100% |
| Wind Speed | S 6 mph |
| Barometer | 29.56 in (1000.9 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 0.50 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 19 Feb 6:53 am CST |
Extended Forecast for
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
Areas Dense
FogTonight

Low: 37 °F
Partly Cloudy
Friday

High: 49 °F
Sunny
Friday Night

Low: 30 °F
Partly Cloudy
Saturday
High: 47 °F
Mostly Sunny
then Slight
Chance
Rain/SnowSaturday Night

Low: 25 °F
Mostly Clear
Sunday
High: 39 °F
Sunny then
Sunny and
BreezySunday Night

Low: 20 °F
Mostly Clear
Detailed Forecast
Today
Showers and thunderstorms likely, mainly before 2pm. Areas of dense fog before 9am. Otherwise, mostly cloudy, with a high near 67. Southeast wind 5 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Tonight
Partly cloudy, with a low around 37. West wind 10 to 18 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 49. West wind 7 to 17 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 30. North wind 3 to 5 mph.
Saturday
A slight chance of rain and snow after noon. Mostly sunny, with a high near 47. Northwest wind 5 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 21.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Granite City IL
38.73°N 90.11°W (Elev. 417 ft)
38.73°N 90.11°W (Elev. 417 ft)
6:26 am CST Feb 19, 2026
7am CST Feb 19, 2026-6pm CST Feb 25, 2026



