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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 10:26 pm CST Dec 31, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Overnight New Year's Day Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of snow on Overnight Mostly Cloudy on New Year's Day Mostly Cloudy on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday
Low: 26°F High: 38°F High: 42°F High: 41°F High: 43°F High: 57°F High: 61°F High: 54°F
Low: 27°F Low: 28°F Low: 25°F Low: 34°F Low: 40°F Low: 36°F  
Snow Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
ALTON - (KALN)
28°
Clear
as of 11:35 PM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
36°
Clear
as of 10:51 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
3 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
25°
Clear
as of 10:53 PM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 9 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
Cloudy
as of 10:54 PM CST
Pressure: 29.97 in.
Wind Data
Calm
20% chance of snow Overnight Overnight... A chance of flurries between 4am and 5am. Mostly cloudy, with a low around 26. Calm wind becoming north around 5 mph.
Mostly Cloudy on New Year's Day New Year's Day... Mostly cloudy, with a high near 38. North wind around 6 mph becoming calm in the morning.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 27. Light and variable wind.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 42. Calm wind becoming east around 6 mph in the morning.
Cloudy on Friday Night Friday Night... Cloudy, with a low around 28. Northeast wind 3 to 6 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 41.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 25.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 43.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 34.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 57.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 40.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 61.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 54.
Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:19 AM
Sunset: 4:49 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:25 PM
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