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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 4:41 am CST Nov 30, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Cloudy on Today Mostly Cloudy on Tonight 60% chance of snow on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 40% chance of snow on Friday Mostly Cloudy on Saturday
High: 27°F Low: 20°F High: 32°F High: 31°F High: 39°F High: 22°F High: 31°F High: 39°F
Low: 20°F Low: 19°F Low: 14°F Low: 11°F Low: 24°F  
Mostly Cloudy Mostly Cloudy Snow Partly Sunny Partly Sunny Mostly Sunny Snow Mostly Cloudy
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Current Conditions at
ALTON - (KALN)
25°
Feels like 12°F
Partly Cloudy
as of 7:50 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 24 MPH
290° West
Cloud Level(s): Scattered at 2600ft
Current Conditions at
ST LOUIS - (KSTL)
25°
Feels like 11°F
Partly Cloudy
as of 7:51 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 29 MPH
290° West
Cloud Level(s): Few at 3000ft, Scattered at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
27°
Feels like 13°F
Clear
as of 7:53 AM CST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 31 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
25°
Feels like 11°F
Clear
as of 7:54 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
18 MPH
280° West
Cloud Level(s): Clear
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 27. West wind 10 to 17 mph, with gusts as high as 29 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 20. Northwest wind 5 to 8 mph becoming calm in the evening.

60% chance of snow Monday Monday... Snow likely after noon. Cloudy, with a high near 32. East wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

80% chance of snow Monday Night Monday Night... Snow, mainly before midnight. Low around 20. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 31. West wind around 6 mph becoming light and variable in the afternoon.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 19.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 39.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 14.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 22.

20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 11.

40% chance of snow Friday Friday... A 40 percent chance of snow. Mostly cloudy, with a high near 31.

20% chance of freezing rain Friday Night Friday Night... A slight chance of freezing rain. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 39.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 06:59 AM
Sunset: 4:39 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:14 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.