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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 3:16 am CST Jan 14, 2026 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday M.L.King Day Tuesday
Mostly Cloudy on Overnight Flurries on Wednesday Sunny on Thursday Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on M.L.King Day Mostly Sunny on Tuesday
Low: 38°F High: 30 °F High: 34°F High: 45°F High: 27°F High: 26°F High: 31°F High: 35°F
Low: 18°F Low: 27°F Low: 19°F Low: 9°F Low: 15°F Low: 13°F  
Mostly Cloudy Flurries Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
ALTON - (KALN)
45°
Feels like 39°F
Partly Cloudy
as of 3:15 AM CST
Rel. Humidity: 87%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Scattered at 7000ft
Current Conditions at
ST LOUIS - (KSTL)
46°
Feels like 41°F
Mostly Cloudy
as of 2:51 AM CST
Rel. Humidity: 87%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
12 MPH
270° West
Cloud Level(s): Scattered at 6000ft, Broken at 15000ft, Broken at 21000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
46°
Feels like 41°F
Mostly Clear
as of 2:53 AM CST
Rel. Humidity: 87%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
9 MPH
260° West
Cloud Level(s): Few at 11000ft
Current Conditions at
ST CHARLES - (KSET)
46°
Cloudy
as of 2:54 AM CST
Rel. Humidity: 87%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
5 MPH
270° West
Cloud Level(s): Solid Overcast at 7000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 38. West wind 9 to 13 mph, with gusts as high as 25 mph.

Flurries on Wednesday Wednesday... Scattered sprinkles and flurries between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 28 mph.

Sunny on Thursday Thursday... Sunny, with a high near 34. Northwest wind around 7 mph becoming southwest in the afternoon.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

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

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 27.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 9.

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

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 15.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 31.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 13.

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

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:17 AM
Sunset: 5:02 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:31 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:36 PM
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