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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 8:06 pm CST Nov 30, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight 50% chance of snow on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 40% chance of rain & snow on Friday Mostly Cloudy on Saturday Mostly Cloudy on Sunday
Low: 20°F High: 31°F High: 31°F High: 39°F High: 22°F High: 33°F High: 37°F High: 36°F
Low: 20°F Low: 20°F Low: 13°F Low: 12°F Low: 25°F Low: 26°F  
Cloudy Snow Partly Sunny Partly Sunny Mostly Sunny Rain & Snow Mostly Cloudy Mostly Cloudy
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Current Conditions at
ALTON - (KALN)
23°
Feels like 13°F
Cloudy
as of 8:45 PM CST
Rel. Humidity: 73%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: MVFR
Wind Data
9 MPH
010° North
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
ST LOUIS - (KSTL)
23°
Cloudy
as of 8:51 PM CST
Rel. Humidity: 73%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: MVFR
Wind Data
6 MPH
0° North
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
EAST ST LOUIS - (KCPS)
25°
Feels like 14°F
Cloudy
as of 8:53 PM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: MVFR
Wind Data
10 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
ST CHARLES - (KSET)
23°
Cloudy
as of 8:54 PM CST
Rel. Humidity: 73%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: MVFR
Wind Data
5 MPH
010° North
Cloud Level(s): Solid Overcast at 2100ft
Cloudy on Tonight Tonight... Cloudy, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.

50% chance of snow Monday Monday... A 50 percent chance of snow after 2pm. Cloudy, with a high near 31. East wind 3 to 6 mph.

90% chance of snow Monday Night Monday Night... Snow, mainly before 1am. Low around 20. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 90%. 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 20. South wind 3 to 6 mph.

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 13.

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 12.

40% chance of rain & snow Friday Friday... A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 25.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 37.

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

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

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.