Summit, Illinois Weather
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Weather Forecast for Summit, Illinois : St. Clair County
Issued: 3:22 pm CDT May 4, 2024 Latitude: 38.5511613 Longitude: -90.0048273 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
30% chance of thunderstorms on This Afternoon 50% chance of thunderstorms on Tonight 20% chance of rain on Sunday 60% chance of thunderstorms on Monday 70% chance of thunderstorms on Tuesday 70% chance of thunderstorms on Wednesday 20% chance of thunderstorms on Thursday 20% chance of rain on Friday 20% chance of rain on Saturday
High: 83°F Low: 58°F High: 73°F High: 78°F High: 83°F High: 84°F High: 78°F High: 70°F High: 70°F
Low: 61°F Low: 67°F Low: 63°F Low: 62°F Low: 55°F Low: 51°F  
Thunderstorms Thunderstorms Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Rain Rain
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Current Conditions at
EAST ST LOUIS - (KCPS)
66°
Cloudy
Heavy Thunderstorm Rain Fog
as of 5:13 PM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 1/2 Miles
Pressure: 29.92 in.
Flight Rule: IFR
Wind Data
15 MPH
Gust: 38 MPH
160° South
Cloud Level(s): Broken at 1100ft, Broken at 3700ft, Solid Overcast at 4800ft
Current Conditions at
SCOTT AFB - (KBLV)
81°
Mostly Cloudy
as of 4:55 PM CDST
Rel. Humidity: 57%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Scattered at 2500ft, Broken at 3500ft
Current Conditions at
ST LOUIS - (KSTL)
70°
Cloudy
Thunderstorm Rain
as of 4:51 PM CDST
Rel. Humidity: 83%
Dew Point: 64°F
Visibility: 6 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
5 MPH
290° West
Cloud Level(s): Few at 2800ft, Broken Cumulonimbus at 4800ft, Solid Overcast at 25000ft
30% chance of thunderstorms This Afternoon This Afternoon... Scattered showers and thunderstorms. Mostly sunny, with a high near 83. Southwest wind around 9 mph. Chance of precipitation is 30%.
50% chance of thunderstorms Tonight Tonight... Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 10pm. Mostly cloudy, with a low around 58. West wind around 8 mph becoming northwest after midnight. Chance of precipitation is 50%.
20% chance of rain Sunday Sunday... A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 73. North wind 5 to 8 mph.
70% chance of rain Sunday Night Sunday Night... Rain likely, mainly after 10pm. Cloudy, with a low around 61. East wind 3 to 6 mph. Chance of precipitation is 70%.
60% chance of thunderstorms Monday Monday... Rain likely before 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms likely, mainly after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
70% chance of thunderstorms Tuesday Tuesday... Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 70%.
60% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
70% chance of thunderstorms Wednesday Wednesday... Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 70%.
60% chance of thunderstorms Wednesday Night Wednesday Night... Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
20% chance of thunderstorms Thursday Thursday... A 20 percent chance of showers and thunderstorms. Sunny, with a high near 78.
20% chance of thunderstorms Thursday Night Thursday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
20% chance of rain Friday Friday... A 20 percent chance of showers. Sunny, with a high near 70.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 51.
20% chance of rain Saturday Saturday... A 20 percent chance of showers. Mostly sunny, with a high near 70.
Sun Almanac for Summit, Illinois
Sunrise: 05:58 AM
Sunset: 7:55 PM
Civil Sunrise:05:29 AM
Civil Sunset: 8:24 PM
Nautical Sunrise: 04:54 AM
Nautical Sunset: 8:59 PM
Astro Sunrise: 04:16 AM
Astro Sunset: 9:37 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.