Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
74°F
23°C
| Humidity | 76% |
| Wind Speed | E 6 mph |
| Barometer | 30.10 in (1018.8 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 26 Jul 7:54 pm CDT |
Extended Forecast for
Illiopolis IL
Tonight
Low: 61 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Slight Chance
T-storms then
Chance
ShowersSunday
High: 83 °F
Chance
T-storms then
Showers
LikelySunday Night
Low: 70 °F
Chance
T-stormsMonday
High: 86 °F
Chance
T-stormsMonday Night
Low: 72 °F
Chance
T-stormsTuesday
High: 89 °F
Sunny
Tuesday Night
Low: 72 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 61. East wind around 5 mph.
Saturday
Mostly sunny, with a high near 85. East southeast wind 3 to 8 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 69. Southeast wind around 6 mph.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South wind 6 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 8 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 8 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
Illiopolis IL
39.85°N 89.26°W (Elev. 607 ft)
39.85°N 89.26°W (Elev. 607 ft)
7:42 pm CDT Jul 26, 2024
8pm CDT Jul 26, 2024-6pm CDT Aug 2, 2024
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
