Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
60°F
16°C
| Humidity | 84% |
| Wind Speed | SW 18 G 28 mph |
| Barometer | 29.58 in (1001.6 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 9 Jan 2:54 am CST |
Extended Forecast for
4 Miles S Niantic IL
Overnight

Low: 43 °F
Mostly Cloudy
and BreezyFriday
High: 48 °F
Cloudy and
Breezy then
CloudyFriday Night
Low: 37 °F
Mostly Cloudy
then Chance
RainSaturday
High: 43 °F
Chance Rain
then Mostly
SunnySaturday Night

Low: 21 °F
Partly Cloudy
Sunday

High: 33 °F
Mostly Sunny
Sunday Night

Low: 25 °F
Mostly Clear
Monday

High: 44 °F
Sunny
Monday Night

Low: 34 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 43. Breezy, with a west southwest wind 18 to 21 mph, with gusts as high as 32 mph.
Friday
Cloudy, with a high near 48. Breezy, with a west wind 15 to 20 mph becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 37. Light and variable wind becoming north northwest around 5 mph after midnight.
Saturday
A 30 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 43. West northwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 21. West northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 33. West northwest wind 9 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 25. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 34.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles S Niantic IL
39.8°N 89.14°W (Elev. 561 ft)
39.8°N 89.14°W (Elev. 561 ft)
2:52 am CST Jan 9, 2026
3am CST Jan 9, 2026-6pm CST Jan 15, 2026



