Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 6:07 pm CDT Jul 6, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
20% chance of thunderstorms on Tonight 20% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 40% chance of thunderstorms on Wednesday 20% chance of thunderstorms on Thursday 30% chance of thunderstorms on Friday 40% chance of thunderstorms on Saturday 30% chance of thunderstorms on Sunday
Low: 73°F High: 89°F High: 91°F High: 88°F High: 91°F High: 94°F High: 90°F High: 88°F
Low: 71°F Low: 72°F Low: 71°F Low: 72°F Low: 73°F Low: 70°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
ALTON - (KALN)
75°
Partly Cloudy
as of 8:50 PM CDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Scattered at 8000ft
Current Conditions at
ST LOUIS - (KSTL)
79°
Cloudy
as of 8:51 PM CDST
Rel. Humidity: 78%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
10 MPH
230° Southwest
Cloud Level(s): Scattered at 4500ft, Broken at 15000ft, Solid Overcast at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
77°
Clear
as of 8:53 PM CDST
Rel. Humidity: 83%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
79°
Mostly Cloudy
as of 8:54 PM CDST
Rel. Humidity: 78%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Broken at 6500ft
20% chance of thunderstorms Tonight Tonight... A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 73. Light west wind.
20% chance of thunderstorms Monday Monday... A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Calm wind becoming north around 6 mph in the morning.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light and variable wind.
40% chance of thunderstorms Tuesday Night Tuesday Night... A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
40% chance of thunderstorms Wednesday Wednesday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88.
20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
20% chance of thunderstorms Thursday Thursday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
20% chance of thunderstorms Thursday Night Thursday Night... A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72.
30% chance of thunderstorms Friday Friday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
40% chance of thunderstorms Friday Night Friday Night... A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
40% chance of thunderstorms Saturday Saturday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
30% chance of thunderstorms Saturday Night Saturday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 05:42 AM
Sunset: 8:29 PM
Civil Sunrise:05:10 AM
Civil Sunset: 9:00 PM
Nautical Sunrise: 04:31 AM
Nautical Sunset: 9:40 PM
Astro Sunrise: 03:46 AM
Astro Sunset: 10:25 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.