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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 11:26 pm CST Nov 21, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thanksgiving Day Friday
20% chance of rain on Overnight Clearing on Saturday Sunny on Sunday 70% chance of rain on Monday 20% chance of rain on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thanksgiving Day 20% chance of rain on Friday
Low: 44°F High: 57°F High: 61°F High: 58°F High: 63°F High: 50°F High: 47°F High: 46°F
Low: 40°F Low: 43°F Low: 49°F Low: 35°F Low: 29°F Low: 29°F  
Rain Clearing Sunny Rain Rain Mostly Sunny Mostly Sunny Rain
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Current Conditions at
ALTON - (KALN)
50°
Cloudy
Mist
as of 11:55 PM CST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 5 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
5 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
ST LOUIS - (KSTL)
50°
Feels like 45°F
Cloudy
Light Drizzle Mist
as of 11:51 PM CST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 5 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
10 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
EAST ST LOUIS - (KCPS)
52°
Cloudy
as of 11:53 PM CST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 8 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
9 MPH
030° Northeast
Cloud Level(s): Broken at 700ft, Solid Overcast at 1300ft
Current Conditions at
ST CHARLES - (KSET)
48°
Feels like 43°F
Cloudy
Mist
as of 11:54 PM CST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 6 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
10 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 800ft
20% chance of rain Overnight Overnight... A slight chance of rain before 1am, then patchy drizzle after 1am. Cloudy, with a low around 44. North wind 5 to 7 mph. Chance of precipitation is 20%.

Clearing on Saturday Saturday... Patchy drizzle before 7am. Cloudy through mid morning, then gradual clearing, with a high near 57. North wind 5 to 7 mph becoming west in the afternoon.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 40. Southwest wind around 6 mph.

Sunny on Sunday Sunday... Sunny, with a high near 61. West wind around 6 mph becoming calm in the morning.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.

70% chance of rain Monday Monday... Rain likely, mainly after noon. Cloudy, with a high near 58. Chance of precipitation is 70%.

80% chance of rain Monday Night Monday Night... Rain, mainly before midnight. Low around 49. Chance of precipitation is 80%.

20% chance of rain Tuesday Tuesday... A 20 percent chance of rain. Partly sunny, with a high near 63.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 35.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 50.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 29.

Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 47.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 29.

20% chance of rain Friday Friday... A 20 percent chance of rain. Mostly sunny, with a high near 46.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 06:51 AM
Sunset: 4:42 PM
Civil Sunrise:06:22 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 05:50 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:18 AM
Astro Sunset: 6:15 PM
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