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Current Weather Conditions for Decatur, IL

Partly cloudy, with a low around 75. Heat index values as high as 102. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
90°F

Conditions

Wind: 14 mph S
Humidity: 64%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM
90° 89° 87° 84° 81° 80° 79° 77° 77° 76° 76° 75° 75°

Upcoming Week

Day Forecast High Low
Tonight
Partly Cloudy
Partly cloudy, with a low around 75. Heat index values as high as 102. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
90°F 71°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 94. Heat index values as high as 107. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
90°F 71°F
Tuesday Night
Clear
Clear, with a low around 75. Heat index values as high as 107. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
90°F 71°F
Wednesday
Sunny
Sunny, with a high near 93. Heat index values as high as 105. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
90°F 71°F
Wednesday Night
Clear
Clear, with a low around 75. South wind 7 to 10 mph, with gusts as high as 16 mph.
90°F 71°F
Thursday
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. South southwest wind around 9 mph.
90°F 71°F
Thursday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
90°F 71°F
Friday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
90°F 71°F
Friday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
90°F 71°F
Independence Day
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
90°F 71°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
90°F 71°F
Sunday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
90°F 71°F
Sunday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
90°F 71°F
Monday
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
90°F 71°F
Data provided by weather.gov