Hilltop, Illinois Weather
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Weather Forecast for Hilltop, Illinois : St. Clair County
Issued: 9:22 pm CDT Jun 5, 2025 Latitude: 38.5922724 Longitude: -90.0512174 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of rain on Overnight 80% chance of thunderstorms on Friday 70% chance of thunderstorms on Saturday 20% chance of rain on Sunday 20% chance of rain on Monday Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of on Thursday
Low: 66°F High: 78°F High: 80°F High: 85°F High: 82°F High: 80°F High: 83°F High: 85°F
Low: 65°F Low: 65°F Low: 64°F Low: 60°F Low: 60°F Low: 64°F  
Rain Thunderstorms Thunderstorms Rain Rain Sunny Mostly Sunny Partly Sunny
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Current Conditions at
EAST ST LOUIS - (KCPS)
63°
Clear
Fog
as of 11:53 PM CDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 1/2 Miles
Pressure: 30.01 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SCOTT AFB - (KBLV)
64°
Clear
as of 11:55 PM CDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 7 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
66°
Partly Cloudy
as of 11:51 PM CDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 15000ft, Scattered at 25000ft
Current Conditions at
ST CHARLES - (KSET)
63°
Clear
Mist
as of 11:58 PM CDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 1 1/2 Miles
Pressure: 30.00 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... A 20 percent chance of showers after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. Calm wind.
80% chance of thunderstorms Friday Friday... 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. Areas of fog before 9am. High near 78. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
70% chance of thunderstorms Saturday Saturday... A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 70%.
30% chance of thunderstorms Saturday Night Saturday Night... A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. West wind 3 to 6 mph.
20% chance of rain Sunday Sunday... A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85.
20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
20% chance of rain Monday Monday... A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 60.
Sunny on Tuesday Tuesday... Sunny, with a high near 80.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 60.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 83.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 64.
20% chance of Thursday Thursday... A 20 percent chance of showers. Partly sunny, with a high near 85.
Current Radar Image


Sun Almanac for Hilltop, Illinois
Sunrise: 05:36 AM
Sunset: 8:22 PM
Civil Sunrise:05:04 AM
Civil Sunset: 8:54 PM
Nautical Sunrise: 04:25 AM
Nautical Sunset: 9:33 PM
Astro Sunrise: 03:40 AM
Astro Sunset: 10:18 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.