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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 6:26 am CST Dec 3, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
40% chance of rain & snow on Today 60% chance of snow on Tonight Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday 20% chance of rain on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
High: 36°F Low: 12°F High: 24°F High: 38°F High: 37°F High: 36°F High: 34°F High: 43°F
Low: 10°F Low: 23°F Low: 24°F Low: 22°F Low: 26°F  
Rain & Snow Snow Sunny Mostly Sunny Partly Sunny Rain Partly Sunny Partly Sunny
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Current Conditions at
ALTON - (KALN)
Cloudy
Mist
as of 6:15 AM CST
Visibility: 1 1/2 Miles
Pressure: 30.10 in.
Flight Rule: IFR
Wind Data
3 MPH
130° Southeast
Current Conditions at
ST LOUIS - (KSTL)
25°
Mostly Clear
as of 5:51 AM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Few at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
19°
Clear
as of 5:53 AM CST
Rel. Humidity: 100%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
12°
Clear
Freezing Fog
as of 6:18 AM CST
Rel. Humidity: 85%
Dew Point: 9°F
Visibility: 1/2 Miles
Pressure: 30.09 in.
Flight Rule: IFR
Wind Data
8 MPH
100° East
Cloud Level(s): Clear
40% chance of rain & snow Today Today... A chance of rain and snow between 3pm and 5pm, then a chance of rain after 5pm. Mostly cloudy, with a high near 36. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 40%.

60% chance of snow Tonight Tonight... Snow likely, mainly before 1am. Cloudy, with a low around 12. North wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunny on Thursday Thursday... Sunny, with a high near 24. North wind 3 to 8 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 10. Light and variable wind.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 38. South wind 3 to 6 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 23.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 37.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 24.

20% chance of rain Sunday Sunday... A 20 percent chance of rain after noon. Mostly cloudy, with a high near 36.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 22.

Partly Sunny on Monday Monday... Partly sunny, with a high near 34.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 26.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 43.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:02 AM
Sunset: 4:39 PM
Civil Sunrise:06:33 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:27 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.