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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 12:26 am CST Nov 23, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Mostly Clear on Overnight Mostly Sunny on Sunday 50% chance of rain on Monday 20% chance of rain on Tuesday Mostly Sunny on Wednesday Sunny on Thanksgiving Day Mostly Sunny on Friday 20% chance of rain on Saturday
Low: 42°F High: 56°F High: 57°F High: 63°F High: 47°F High: 45°F High: 46°F High: 49°F
Low: 42°F Low: 49°F Low: 35°F Low: 28°F Low: 27°F Low: 29°F  
Mostly Clear Mostly Sunny Rain Rain Mostly Sunny Sunny Mostly Sunny Rain
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Current Conditions at
ALTON - (KALN)
45°
Clear
as of 12:15 AM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
5 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
46°
Feels like 40°F
Mostly Cloudy
as of 11:57 PM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 9 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
13 MPH
260° West
Cloud Level(s): Broken at 500ft
Current Conditions at
EAST ST LOUIS - (KCPS)
45°
Clear
as of 11:53 PM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 8 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
45°
Mostly Cloudy
as of 12:04 AM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
8 MPH
250° West
Cloud Level(s): Broken at 900ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 42. West wind around 5 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 56. West wind around 5 mph becoming calm in the morning.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 42. Southeast wind 3 to 6 mph.
50% chance of rain Monday Monday... A 50 percent chance of rain after noon. Cloudy, with a high near 57. Southeast wind 6 to 10 mph.
90% chance of rain Monday Night Monday Night... Rain, mainly before midnight. Low around 49. Southeast wind 5 to 9 mph becoming light south after midnight. Chance of precipitation is 90%.
20% chance of rain Tuesday Tuesday... A 20 percent chance of rain after noon. Mostly cloudy, with a high near 63.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 35.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 47.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 28.
Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 45.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 27.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 46.
20% chance of rain & snow Friday Night Friday Night... A slight chance of rain and snow. Partly cloudy, with a low around 29. Chance of precipitation is 20%.
20% chance of rain Saturday Saturday... A 20 percent chance of rain. Partly sunny, with a high near 49.
Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 06:52 AM
Sunset: 4:42 PM
Civil Sunrise:06:23 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:19 AM
Astro Sunset: 6:15 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.