Swansea, Illinois Weather
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Click for Dense Fog Advisory for Swansea, Illinois
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Weather Forecast for Swansea, Illinois : St. Clair County
Issued: 12:06 am CDT Apr 24, 2024 Latitude: 38.5339392 Longitude: -89.9889936 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Morning Fog on Overnight Sunny on Wednesday Increasing Clouds on Thursday 80% chance of thunderstorms on Friday 40% chance of thunderstorms on Saturday 60% chance of thunderstorms on Sunday 50% chance of thunderstorms on Monday 20% chance of rain on Tuesday
Low: 45°F High: 69°F High: 69°F High: 76°F High: 82°F High: 81°F High: 78°F High: 78°F
Low: 44°F Low: 56°F Low: 66°F Low: 69°F Low: 62°F Low: 55°F  
Morning Fog Sunny Increasing Clouds Thunderstorms Thunderstorms Thunderstorms Thunderstorms Rain
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Current Conditions at
SCOTT AFB - (KBLV)
50°
Clear
Fog
as of 1:10 AM CDST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 1/2 Miles
Pressure: 30.01 in.
Flight Rule: IFR
Wind Data
3 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
48°
Clear
Fog
as of 12:53 AM CDST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 1/4 Miles
Pressure: 30.03 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
ST LOUIS - (KSTL)
52°
Mostly Clear
Mist
as of 1:12 AM CDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 4 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
6 MPH
280° West
Cloud Level(s): Few at 300ft
Current Conditions at
SPARTA - (KSAR)
52°
Partly Cloudy
Mist
as of 12:55 AM CDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 5 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 8500ft
Morning Fog on Overnight Overnight... Widespread dense fog before 3am. Otherwise, mostly clear, with a low around 45. Northwest wind around 6 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 69. North wind 5 to 8 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 44. East wind around 7 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 69. East wind 8 to 10 mph.
60% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Southeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
80% chance of thunderstorms Friday Friday... Showers and possibly a thunderstorm. High near 76. Breezy. Chance of precipitation is 80%.
70% chance of thunderstorms Friday Night Friday Night... Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 70%.
40% chance of thunderstorms Saturday Saturday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Breezy.
40% chance of thunderstorms Saturday Night Saturday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Breezy.
60% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Breezy. Chance of precipitation is 60%.
70% chance of thunderstorms Sunday Night Sunday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Breezy. Chance of precipitation is 70%.
50% chance of thunderstorms Monday Monday... A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
30% chance of thunderstorms Monday Night Monday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
20% chance of rain Tuesday Tuesday... A 20 percent chance of showers. Sunny, with a high near 78.
Current Radar Image


Sun Almanac for Swansea, Illinois
Sunrise: 06:10 AM
Sunset: 7:46 PM
Civil Sunrise:05:42 AM
Civil Sunset: 8:14 PM
Nautical Sunrise: 05:08 AM
Nautical Sunset: 8:47 PM
Astro Sunrise: 04:33 AM
Astro Sunset: 9:23 PM
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