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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 11:06 am CST Nov 28, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Increasing Clouds on Today 100% chance of snow on Tonight 100% chance of rain, snow, & sleet on Saturday Mostly Cloudy on Sunday 20% chance of snow on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday
High: 39°F Low: 30°F High: 38°F High: 30°F High: 28°F High: 31°F High: 39°F High: 33°F
Low: 25°F Low: 16°F Low: 18°F Low: 20°F Low: 22°F  
Increasing Clouds Snow Rain, Snow, & Sleet Mostly Cloudy Snow Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
ALTON - (KALN)
30°
Clear
as of 10:50 AM CST
Rel. Humidity: 54%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.49 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
30°
Partly Cloudy
as of 10:51 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: VFR
Wind Data
5 MPH
290° West
Cloud Level(s): Few at 15000ft, Scattered at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
32°
Clear
as of 10:53 AM CST
Rel. Humidity: 50%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: VFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
30°
Clear
as of 10:54 AM CST
Rel. Humidity: 54%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 39. Northwest wind around 5 mph becoming calm.

100% chance of snow Tonight Tonight... Snow, mainly after 3am. Low around 30. Southeast wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

100% chance of rain, snow, & sleet Saturday Saturday... Rain and snow, possibly mixed with sleet before 2pm, then rain, possibly mixed with snow between 2pm and 4pm, then rain after 4pm. High near 38. Southeast wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

60% chance of rain & snow Saturday Night Saturday Night... Rain likely, possibly mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 25. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 30. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 16.

20% chance of snow Monday Monday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 28.

40% chance of snow Monday Night Monday Night... A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 31.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 20.

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 22.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 33.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 06:57 AM
Sunset: 4:40 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 6:14 PM
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