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Current Weather Conditions for Illiopolis, IL

Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
82°F

Conditions

Wind: 16 mph SSW
Humidity: 77%
Probability of Precipitation: 5%

Hourly Forcast (next 12 hours)

5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM
82° 84° 87° 90° 90° 90° 89° 86° 83° 79° 74° 71° 69°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
90°F 69°F
Tonight
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms between 8pm and 10pm, then a chance of showers and thunderstorms between 10pm and midnight. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 60. West wind 7 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
90°F 69°F
Friday
Sunny
Sunny, with a high near 81. West wind 6 to 10 mph.
90°F 69°F
Friday Night
Mostly Clear
Mostly clear, with a low around 61. Southwest wind 3 to 8 mph.
90°F 69°F
Saturday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 6 to 15 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
90°F 69°F
Saturday Night
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 64. West southwest wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
90°F 69°F
Sunday
Showers And Thunderstorms then Mostly Sunny
Showers and thunderstorms before 7am. Mostly sunny, with a high near 76. Northwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
90°F 69°F
Sunday Night
Partly Cloudy
Partly cloudy, with a low around 55.
90°F 69°F
Monday
Mostly Sunny
Mostly sunny, with a high near 77.
90°F 69°F
Monday Night
Partly Cloudy
Partly cloudy, with a low around 56.
90°F 69°F
Tuesday
Chance Showers And Thunderstorms
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 79.
90°F 69°F
Tuesday Night
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.
90°F 69°F
Wednesday
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
90°F 69°F
Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
90°F 69°F
Data provided by weather.gov