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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 7:21 pm CST Dec 3, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
50% chance of snow on Tonight Clearing on Thursday Mostly Sunny on Friday Partly Sunny on Saturday 20% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday 20% chance of rain on Wednesday
Low: 12°F High: 22°F High: 37°F High: 38°F High: 33°F High: 32°F High: 43°F High: 49°F
Low: 13°F Low: 24°F Low: 25°F Low: 15°F Low: 22°F Low: 33°F  
Snow Clearing Mostly Sunny Partly Sunny Snow Mostly Sunny Mostly Sunny Rain
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Current Conditions at
ALTON - (KALN)
34°
Cloudy
as of 8:50 PM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: MVFR
Wind Data
5 MPH
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
ST LOUIS - (KSTL)
36°
Cloudy
as of 8:51 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: MVFR
Wind Data
7 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 2100ft
Current Conditions at
EAST ST LOUIS - (KCPS)
34°
Cloudy
as of 8:53 PM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
ST CHARLES - (KSET)
36°
Cloudy
as of 8:54 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: MVFR
Wind Data
7 MPH
350° North
Cloud Level(s): Broken at 2100ft, Solid Overcast at 2800ft
50% chance of snow Tonight Tonight... A chance of snow before 2am, then a chance of flurries between 2am and 4am. Cloudy, with a low around 12. North wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Clearing on Thursday Thursday... Cloudy through mid morning, then gradual clearing, with a high near 22. North wind 3 to 8 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 13. Light and variable wind.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 37. Calm wind becoming south around 6 mph in the morning.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 24. South wind around 5 mph becoming calm in the evening.

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

20% chance of freezing rain Saturday Night Saturday Night... A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

20% chance of snow Sunday Sunday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 15.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 32.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 22.

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

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33.

20% chance of rain Wednesday Wednesday... A 20 percent chance of rain. Partly sunny, with a high near 49.

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.