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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
54°F
12°C
| Humidity | 87% |
| Wind Speed | E 3 mph |
| Barometer | 30.01 in (1015.9 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 12:54 am CDT |
Extended Forecast for
Niantic IL
Overnight
Low: 51 °F
Partly Cloudy
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 62 °F
Increasing
CloudsColumbus Day
High: 91 °F
Mostly Sunny
Monday Night
Low: 70 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 66 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 79 °F
Showers
LikelyWednesday Night
Low: 59 °F
Showers
Likely
Detailed Forecast
Overnight
Partly cloudy, with a low around 51. Light east wind.
Sunday
Sunny, with a high near 84. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 62. South southeast wind 3 to 7 mph.
Columbus Day
Mostly sunny, with a high near 91. Southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 70. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 90. West wind 11 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 66. West wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 66. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Niantic IL
39.85°N 89.17°W (Elev. 600 ft)
39.85°N 89.17°W (Elev. 600 ft)
1:26 am CDT Oct 11, 2026
1am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
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