Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair and Breezy

42°F

6°C

Humidity 41%
Wind Speed S 25 G 39 mph
Barometer 29.57 in (1002.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Feb 3:54 pm CST
Extended Forecast for

Niantic IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West northwest wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of snow.  Mostly cloudy, with a low around 28. North northwest wind 5 to 8 mph becoming east northeast after midnight.  Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 48. East northeast wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West wind around 6 mph becoming south southwest in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South southwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. South southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 46. West northwest wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. North northwest wind 5 to 8 mph becoming east northeast after midnight. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 48. East northeast wind 6 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 30. West wind around 6 mph becoming south southwest in the evening.
Friday
Sunny, with a high near 61. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 9 to 11 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of rain and snow after noon. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 26.
Monday
A chance of rain and snow. Partly sunny, with a high near 42.
Monday Night
A chance of rain. Mostly cloudy, with a low around 29.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Niantic IL
 39.85°N 89.17°W (Elev. 600 ft)
3:36 pm CST Feb 24, 2026
4pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database