Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
35°F
2°C
| Humidity | 50% |
| Wind Speed | W 16 G 28 mph |
| Barometer | 30.34 in (1028.1 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 27 Nov 11:54 am CST |
Extended Forecast for
Niantic IL
Winter Storm Watch November 29, 12:00am until November 30, 06:00am
Thanksgiving Day

High: 38 °F
Sunny
Tonight

Low: 19 °F
Clear
Friday

High: 34 °F
Sunny
Friday Night
Low: 24 °F
Mostly Cloudy
then Snow
LikelySaturday
High: 35 °F
Snow then
Rain/Snow and
BreezySaturday Night
Low: 23 °F
Rain/Snow
then Chance
Rain/SnowSunday
High: 30 °F
Chance Snow
then Mostly
CloudySunday Night

Low: 10 °F
Mostly Cloudy
Monday

High: 21 °F
Partly Sunny
Detailed Forecast
Thanksgiving Day
Sunny, with a high near 38. West northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 19. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 34. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Friday Night
Snow likely after midnight. Mostly cloudy, with a low around 24. Light south southeast wind becoming southeast 6 to 11 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow before 3pm, then rain and snow. High near 35. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Rain and snow before midnight, then a chance of snow between midnight and 3am, then a chance of rain and snow after 3am. Low around 23. South southeast wind 14 to 17 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 30. West northwest wind 13 to 18 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 33.
Additional Forecasts and Information
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)
39.85°N 89.17°W (Elev. 600 ft)
11:16 am CST Nov 27, 2025
12pm CST Nov 27, 2025-6pm CST Dec 3, 2025



