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Crystal Lake Park, Missouri Weather Forecast
Crystal Lake Park, Missouri Weather
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Weather Forecast for Crystal Lake Park, Missouri : St. Louis County
Issued: 10:16 pm CST Dec 14, 2025 Latitude: 38.6222749 Longitude: -90.4342856 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Clear on Overnight Sunny on Monday Sunny on Tuesday Sunny on Wednesday 60% chance of  on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Partly Sunny on Sunday
Low: 9 °F High: 42°F High: 51°F High: 54°F High: 58°F High: 37°F High: 56°F High: 46°F
Low: 28°F Low: 36°F Low: 45°F Low: 21°F Low: 31°F Low: 34°F  
Clear Sunny Sunny Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
ST LOUIS - (KSTL)
12°
Clear
as of 1:51 AM CST
Rel. Humidity: 61%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.54 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
12°
Clear
as of 1:54 AM CST
Rel. Humidity: 61%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
10°
Clear
as of 1:53 AM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.56 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
12°
Clear
as of 1:54 AM CST
Rel. Humidity: 66%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.54 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 9. South wind around 8 mph.

Sunny on Monday Monday... Sunny, with a high near 42. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 28. Southwest wind around 6 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 51. South wind 5 to 7 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36. Southwest wind 3 to 6 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 54.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45.

60% chance of  Thursday Thursday... Showers likely, mainly before noon. Partly sunny, with a high near 58. Chance of precipitation is 60%.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 21.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 37.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 31.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 56.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 34.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 46.

Current Radar Image


Sun Almanac for Crystal Lake Park, Missouri
Sunrise: 07:13 AM
Sunset: 4:42 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:17 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.