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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 4:41 am CST Dec 13, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
40% chance of snow on Today Clearing on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday 40% chance of rain on Thursday Partly Sunny on Friday
High: 17 °F Low: 4 °F High: 14°F High: 40°F High: 50°F High: 56°F High: 56°F High: 45°F
Low: 6 °F Low: 26°F Low: 34°F Low: 44°F Low: 26°F  
Snow Clearing Sunny Sunny Sunny Mostly Sunny Rain Partly Sunny
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Current Conditions at
ALTON - (KALN)
30°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
7 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
ST LOUIS - (KSTL)
30°
Feels like 20°F
Cloudy
as of 5:21 AM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 7 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
13 MPH
010° North
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
EAST ST LOUIS - (KCPS)
34°
Cloudy
as of 4:53 AM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
ST CHARLES - (KSET)
30°
Feels like 21°F
Cloudy
as of 4:54 AM CST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 8 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
9 MPH
020° North
Cloud Level(s): Solid Overcast at 1200ft
40% chance of snow Today Today... A 40 percent chance of snow, mainly before 4pm. Cloudy, with a temperature falling to around 17 by 4pm. North wind 8 to 13 mph.

Clearing on Tonight Tonight... Cloudy during the early evening, then gradual clearing, with a low around 4. Wind chill values as low as -10. Northwest wind around 14 mph, with gusts as high as 24 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 14. Wind chill values as low as -15. North wind 5 to 13 mph, with gusts as high as 23 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 6. Calm wind becoming south 5 to 7 mph after midnight.

Sunny on Monday Monday... Sunny, with a high near 40. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

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

Sunny on Tuesday Tuesday... Sunny, with a high near 50.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 34.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56.

20% chance of rain Wednesday Night Wednesday Night... A 20 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. Mostly sunny, with a high near 56.

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

Partly Sunny on Friday Friday... Partly sunny, with a high near 45.

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.