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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 pm CST Nov 23, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Mostly Sunny on This Afternoon Mostly Cloudy on Tonight 60% chance of rain on Monday Mostly Cloudy on Tuesday Sunny on Wednesday Sunny on Thanksgiving Day Partly Sunny on Friday 40% chance of rain on Saturday
High: 49 °F Low: 44°F High: 58°F High: 62°F High: 46°F High: 45°F High: 46°F High: 49°F
Low: 50°F Low: 36°F Low: 28°F Low: 26°F Low: 32°F  
Mostly Sunny Mostly Cloudy Rain Mostly Cloudy Sunny Sunny Partly Sunny Rain
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Current Conditions at
ALTON - (KALN)
54°
Clear
as of 11:50 AM CST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
46°
Cloudy
as of 11:51 AM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 9 Miles
Pressure: 30.21 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
EAST ST LOUIS - (KCPS)
48°
Cloudy
Mist
as of 11:53 AM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 4 Miles
Pressure: 30.21 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
ST CHARLES - (KSET)
52°
Clear
as of 11:54 AM CST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a temperature falling to around 49 by 4pm. Light and variable wind.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 44. Southeast wind around 6 mph.
60% chance of rain Monday Monday... Rain likely, mainly after 4pm. Cloudy, with a high near 58. Southeast wind 6 to 10 mph. Chance of precipitation is 60%.
90% chance of rain Monday Night Monday Night... Rain. Low around 50. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 62. Calm wind becoming west 5 to 8 mph in the morning.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36.
Sunny on Wednesday Wednesday... Sunny, with a high near 46.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, 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 26.
Partly Sunny on Friday Friday... Partly sunny, with a high near 46.
20% chance of rain Friday Night Friday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 32.
40% chance of rain Saturday Saturday... A 40 percent chance of rain. Mostly cloudy, 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.