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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 7:31 pm CST Nov 23, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thanksgiving Day Friday Saturday Sunday
Morning Fog on Tonight 60% chance of rain on Monday 20% chance of rain on Tuesday Mostly Sunny on Wednesday Sunny on Thanksgiving Day Partly Sunny on Friday 50% chance of rain & snow on Saturday 60% chance of rain on Sunday
Low: 44°F High: 58°F High: 62°F High: 46°F High: 43°F High: 44°F High: 44°F High: 50°F
Low: 49°F Low: 36°F Low: 27°F Low: 26°F Low: 31°F Low: 36°F  
Morning Fog Rain Rain Mostly Sunny Sunny Partly Sunny Rain & Snow Rain
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Current Conditions at
ALTON - (KALN)
43°
Cloudy
Mist
as of 7:45 PM CST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 2 1/4 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
3 MPH
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
ST LOUIS - (KSTL)
48°
Cloudy
Mist
as of 7:51 PM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 5 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
8 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
EAST ST LOUIS - (KCPS)
48°
Cloudy
Mist
as of 7:53 PM CST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 4 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
7 MPH
170° South
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
ST CHARLES - (KSET)
46°
Cloudy
Mist
as of 7:54 PM CST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 4 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
5 MPH
160° South
Cloud Level(s): Solid Overcast at 800ft
Morning Fog on Tonight Tonight... Areas of dense fog before 11pm, then patchy dense fog after 2am. Otherwise, cloudy, with a low around 44. Southeast wind around 6 mph.

60% chance of rain Monday Monday... Rain likely, mainly after 4pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 58. Southeast wind 6 to 10 mph. Chance of precipitation is 60%.

90% chance of rain Monday Night Monday Night... Rain, mainly before midnight. Patchy fog between 7pm and 1am. Low around 49. Southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%.

20% chance of rain Tuesday Tuesday... A 20 percent chance of rain after noon. Mostly cloudy, with a high near 62. Calm wind becoming west 5 to 8 mph in the morning.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36. West wind 6 to 14 mph, with gusts as high as 23 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 46. Breezy.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 27.

Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 43.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 26.

Partly Sunny on Friday Friday... Partly sunny, with a high near 44.

30% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

50% chance of rain & snow Saturday Saturday... A chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 50%.

60% chance of rain Saturday Night Saturday Night... Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%.

60% chance of rain Sunday Sunday... Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 06:52 AM
Sunset: 4:42 PM
Civil Sunrise:06:23 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:19 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.