Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
83°F
28°C
| Humidity | 55% |
| Wind Speed | S 16 G 24 mph |
| Barometer | 29.76 in (1007.4 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 10 Mar 2:53 pm CDT |
Extended Forecast for
Granite City IL
Tonight
Low: 55 °F
Mostly Cloudy
then T-storms
LikelyWednesday
High: 68 °F⇓
T-storms then
Rain Likely
and BreezyWednesday Night
Low: 32 °F
Decreasing
CloudsThursday
High: 56 °F
Sunny
Thursday Night
Low: 45 °F
Mostly Cloudy
Friday
High: 63 °F
Partly Sunny
Friday Night
Low: 38 °F
Mostly Cloudy
Saturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Mostly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 55. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
Rain and thunderstorms before 3pm, then a slight chance of rain between 3pm and 4pm. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 14 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 56. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 45. South wind 9 to 17 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 52.
Sunday
Rain and possibly a thunderstorm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 43.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
2:06 pm CDT Mar 10, 2026
3pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
Additional Resources
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