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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 10:51 am CST Jan 24, 2026 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
100% chance of snow on This Afternoon 100% chance of snow on Tonight 100% chance of snow on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
High: 13°F Low: 10°F High: 16°F High: 17°F High: 33°F High: 26°F High: 22°F High: 22°F
Low: -3°F Low: 4°F Low: 6°F Low: 7°F Low: 3°F  
Snow Snow Snow Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
ALTON - (KALN)
Feels like -6°F
Cloudy
Light Snow
as of 12:50 PM CST
Rel. Humidity: 65%
Dew Point: -2°F
Visibility: 1 3/4 Miles
Pressure: 30.52 in.
Flight Rule: IFR
Wind Data
9 MPH
040° Northeast
Cloud Level(s): Scattered at 1500ft, Solid Overcast at 2500ft
Current Conditions at
ST LOUIS - (KSTL)
Cloudy
Light Snow
as of 12:51 PM CST
Rel. Humidity: 71%
Dew Point: -2°F
Visibility: 2 Miles
Pressure: 30.50 in.
Flight Rule: IFR
Wind Data
6 MPH
030° Northeast
Cloud Level(s): Broken at 2400ft, Solid Overcast at 3300ft
Current Conditions at
EAST ST LOUIS - (KCPS)
Cloudy
Light Snow
as of 1:14 PM CST
Rel. Humidity: 71%
Dew Point: -0°F
Visibility: 4 Miles
Pressure: 30.51 in.
Flight Rule: MVFR
Wind Data
8 MPH
020° North
Cloud Level(s): Few at 1700ft, Broken at 3800ft, Solid Overcast at 5500ft
Current Conditions at
ST CHARLES - (KSET)
Feels like -9°F
Cloudy
Light Snow
as of 1:02 PM CST
Rel. Humidity: 77%
Dew Point: -0°F
Visibility: 1 Miles
Pressure: 30.52 in.
Flight Rule: IFR
Wind Data
10 MPH
040° Northeast
Cloud Level(s): Broken at 1700ft, Solid Overcast at 3200ft
100% chance of snow This Afternoon This Afternoon... Snow. High near 13. Northeast wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

100% chance of snow Tonight Tonight... Snow. Low around 10. Northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

100% chance of snow Sunday Sunday... Snow, mainly before 3pm. The snow could be heavy at times. High near 16. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

Mostly Clear on Sunday Night Sunday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -15. Northwest wind 9 to 13 mph, with gusts as high as 24 mph.

Sunny on Monday Monday... Sunny and cold, with a high near 17. West wind 7 to 10 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 4.

Sunny on Tuesday Tuesday... Sunny, with a high near 33.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 6.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 26.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 7.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 22.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 3.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 22.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:12 AM
Sunset: 5:13 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 6:13 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:45 PM
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