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Capitol Oaks, Illinois Weather Forecast
Capitol Oaks, Illinois Weather
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Weather Forecast for Capitol Oaks, Illinois : St. Clair County
Issued: 12:56 am CST Dec 21, 2025 Latitude: 38.5900496 Longitude: -89.9684367 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Cloudy on Overnight Mostly Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Sunny on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 27°F High: 43°F High: 52°F High: 63°F High: 67°F High: 73°F High: 66°F High: 57°F
Low: 29°F Low: 46°F Low: 43°F Low: 57°F Low: 53°F Low: 45°F  
Cloudy Mostly Sunny Partly Sunny Mostly Sunny Cloudy Sunny Mostly Cloudy Mostly Cloudy
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Current Conditions at
SCOTT AFB - (KBLV)
30°
Clear
as of 12:55 AM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
5 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
28°
Clear
as of 12:53 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ALTON - (KALN)
34°
Clear
as of 12:55 AM CST
Rel. Humidity: 50%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
28°
Mostly Cloudy
as of 12:51 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
3 MPH
260° West
Cloud Level(s): Few at 15000ft, Broken at 25000ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 27. North wind 3 to 5 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 43. Light and variable wind becoming east 5 to 7 mph in the morning.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 29. Southeast wind 6 to 8 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 52. South wind 7 to 10 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 46. South wind 6 to 10 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 63.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 43.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 67.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 57.

Sunny on Christmas Day Christmas Day... Sunny, with a high near 73.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 53.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 66.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 45.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 57.

Current Radar Image


Sun Almanac for Capitol Oaks, Illinois
Sunrise: 07:14 AM
Sunset: 4:42 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:18 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.