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Current Weather Conditions for Illiopolis, IL

Mostly clear, with a low around 66. Northeast wind around 2 mph.
72°F

Conditions

Wind: 2 mph ENE
Humidity: 97%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM
72° 70° 69° 68° 67° 67° 66° 69° 73° 77° 82° 85° 87°

Upcoming Week

Day Forecast High Low
Overnight
Mostly Clear
Mostly clear, with a low around 66. Northeast wind around 2 mph.
84°F 67°F
Tuesday
Sunny
Sunny, with a high near 91. Heat index values as high as 100. East northeast wind 2 to 6 mph.
84°F 67°F
Tuesday Night
Clear then Patchy Fog
Patchy fog after 4am. Clear, with a low around 69. East northeast wind 0 to 5 mph.
84°F 67°F
Wednesday
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 91. North northeast wind around 2 mph.
84°F 67°F
Wednesday Night
Clear
Clear, with a low around 70. South southwest wind around 2 mph.
84°F 67°F
Thursday
Sunny
Sunny, with a high near 91. Southwest wind 2 to 6 mph.
84°F 67°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 72. South southwest wind around 5 mph.
84°F 67°F
Friday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Sunny, with a high near 90. Chance of precipitation is 30%.
84°F 67°F
Friday Night
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
84°F 67°F
Saturday
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.
84°F 67°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 71.
84°F 67°F
Sunday
Sunny
Sunny, with a high near 87.
84°F 67°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 67.
84°F 67°F
Monday
Sunny
Sunny, with a high near 86.
84°F 67°F
Data provided by weather.gov