Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog/Mist
60°F
16°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 29.74 in (1007.0 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 6.00 mi |
| Last update | 28 Dec 2:53 am CST |
Extended Forecast for
Granite City IL
Overnight
Low: 64 °F
Slight Chance
ShowersSunday
High: 71 °F⇓
Slight Chance
Showers then
Showers
Likely and
BreezySunday Night
Low: 20 °F
Breezy.
Chance
Showers then
Partly CloudyMonday
High: 29 °F
Mostly Sunny
and BreezyMonday Night
Low: 17 °F
Mostly Clear
Tuesday
High: 34 °F
Mostly Sunny
Tuesday Night
Low: 27 °F
Mostly Clear
Wednesday
High: 45 °F
Mostly Sunny
Wednesday Night
Low: 27 °F
Partly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of showers before 4am. Cloudy, with a steady temperature around 64. South wind around 8 mph.
Sunday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a temperature rising to near 71 by noon, then falling to around 52 during the remainder of the day. Breezy, with a south wind 8 to 13 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 20. Breezy, with a west wind 22 to 24 mph, with gusts as high as 37 mph.
Monday
Mostly sunny, with a high near 29. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 34 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 27.
New Year's Day
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly cloudy, with a high near 48.
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)
1:56 am CST Dec 28, 2025
3am CST Dec 28, 2025-6pm CST Jan 3, 2026
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