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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 3:56 pm CST Dec 1, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
90% chance of snow on This Afternoon 100% chance of snow on Tonight Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 20% chance of snow on Friday Partly Sunny on Saturday Mostly Cloudy on Sunday Partly Sunny on Monday
High: 26°F Low: 19°F High: 27°F High: 38°F High: 20°F High: 36°F High: 38°F High: 36°F High: 36°F
Low: 20°F Low: 12°F Low: 8°F Low: 24°F Low: 25°F Low: 18°F  
Snow Snow Partly Sunny Partly Sunny Mostly Sunny Snow Partly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
ST LOUIS - (KSTL)
25°
Cloudy
Light Snow Mist
as of 3:26 PM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 2 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Scattered at 2900ft, Solid Overcast at 4600ft
Current Conditions at
EAST ST LOUIS - (KCPS)
27°
Cloudy
Snow Mist
as of 3:25 PM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 2 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 3200ft, Solid Overcast at 5000ft
Current Conditions at
ST CHARLES - (KSET)
25°
Cloudy
Mist
as of 3:25 PM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 2 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 4800ft, Solid Overcast at 6000ft
90% chance of snow This Afternoon This Afternoon... Snow. High near 26. Calm wind. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

100% chance of snow Tonight Tonight... Snow, mainly before 11pm. Low around 19. Calm wind becoming northwest 5 to 7 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 27. Northwest wind around 6 mph becoming south in the afternoon.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 20. South wind 3 to 6 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 38. South wind around 7 mph becoming west in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 12.

Mostly Sunny on Thursday Thursday... Mostly sunny and cold, with a high near 20.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 8.

20% chance of snow Friday Friday... A 20 percent chance of snow before noon. Mostly sunny, with a high near 36.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 24.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 38.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 25.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 36.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 18.

Partly Sunny on Monday Monday... Partly sunny, with a high near 36.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:00 AM
Sunset: 4:39 PM
Civil Sunrise:06:31 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:13 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.