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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 6:11 pm CST Dec 13, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of snow on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday 40% chance of rain on Thursday Mostly Sunny on Friday 20% chance of rain on Saturday
Low: 4 °F High: 14°F High: 41°F High: 51°F High: 55°F High: 58°F High: 41°F High: 56°F
Low: 7 °F Low: 25°F Low: 36°F Low: 44°F Low: 25°F Low: 34°F  
Snow Sunny Sunny Sunny Mostly Sunny Rain Mostly Sunny Rain
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Current Conditions at
ALTON - (KALN)
14°
Feels like -1°F
Cloudy
as of 5:45 PM CST
Rel. Humidity: 72%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: MVFR
Wind Data
15 MPH
350° North
Cloud Level(s): Broken at 1700ft, Solid Overcast at 3000ft
Current Conditions at
ST LOUIS - (KSTL)
16°
Feels like 4°F
Cloudy
Light Snow
as of 5:51 PM CST
Rel. Humidity: 66%
Dew Point: 7°F
Visibility: 9 Miles
Pressure: 30.38 in.
Flight Rule: MVFR
Wind Data
9 MPH
350° North
Cloud Level(s): Few at 1700ft, Broken at 2600ft, Solid Overcast at 3300ft
Current Conditions at
EAST ST LOUIS - (KCPS)
16°
Feels like 1°F
Cloudy
as of 5:53 PM CST
Rel. Humidity: 72%
Dew Point: 9°F
Visibility: 9 Miles
Pressure: 30.38 in.
Flight Rule: MVFR
Wind Data
14 MPH
0° North
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
ST CHARLES - (KSET)
14°
Cloudy
as of 5:54 PM CST
Rel. Humidity: 66%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Wind Data
8 MPH
0° North
Cloud Level(s): Solid Overcast at 4500ft
20% chance of snow Tonight Tonight... A chance of flurries before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 4. Wind chill values as low as -10. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 14. Wind chill values as low as -10. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 7. Light and variable wind becoming south 5 to 9 mph after midnight.

Sunny on Monday Monday... Sunny, with a high near 41. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25. Southwest wind 3 to 6 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 51.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 55.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 44.

40% chance of rain Thursday Thursday... A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 58.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 25.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 41.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 34.

20% chance of rain Saturday Saturday... A 20 percent chance of rain. Partly sunny, with a high near 56.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:11 AM
Sunset: 4:39 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:15 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.