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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 6:41 am CST Dec 24, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Christmas Day Friday Saturday Sunday Monday Tuesday
Morning Fog on Today Patchy Fog on Tonight Morning Fog on Christmas Day Mostly Sunny on Friday Partly Sunny on Saturday 30% chance of rain & snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 63°F Low: 52°F High: 64°F High: 71°F High: 70°F High: 52°F High: 28°F High: 35°F
Low: 56°F Low: 47°F Low: 43°F Low: 18°F Low: 16°F  
Morning Fog Patchy Fog Morning Fog Mostly Sunny Partly Sunny Rain & Snow Mostly Sunny Partly Sunny
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Current Conditions at
ALTON - (KALN)
45°
Cloudy
as of 6:45 AM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: MVFR
Wind Data
8 MPH
100° East
Cloud Level(s): Solid Overcast at 2100ft
Current Conditions at
ST LOUIS - (KSTL)
46°
Cloudy
as of 6:51 AM CST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 7 Miles
Pressure: 30.23 in.
Flight Rule: MVFR
Wind Data
6 MPH
110° East
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
EAST ST LOUIS - (KCPS)
48°
Cloudy
Mist
as of 6:53 AM CST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 6 Miles
Pressure: 30.23 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
ST CHARLES - (KSET)
45°
Cloudy
Mist
as of 6:54 AM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 6 Miles
Pressure: 30.24 in.
Flight Rule: MVFR
Wind Data
3 MPH
080° East
Cloud Level(s): Solid Overcast at 1900ft
Morning Fog on Today Today... Patchy drizzle between 8am and 1pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 63. Light and variable wind becoming southeast 5 to 9 mph in the morning.

Patchy Fog on Tonight Tonight... Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. South wind around 6 mph becoming calm after midnight.

Morning Fog on Christmas Day Christmas Day... Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming east around 6 mph in the morning.

Partly Cloudy on Thursday Night Thursday Night... Cloudy, then gradually becoming partly cloudy, with a low around 56. East wind around 7 mph becoming south after midnight.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 71. South wind 6 to 11 mph becoming northwest in the afternoon.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 47.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 70.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 43.

30% chance of rain & snow Sunday Sunday... A chance of rain before noon, then a slight chance of rain and snow. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 18.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 28.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 16.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 35.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:17 AM
Sunset: 4:44 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:19 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.