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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist
69°F
21°C
| Humidity | 93% |
| Wind Speed | SE 8 mph |
| Barometer | 30.00 in (1015.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 5.00 mi |
| Last update | 15 Oct 11:54 am CDT |
Extended Forecast for
Niantic IL
This Afternoon
High: 76 °F
Showers
Tonight
Low: 46 °F
Showers
Likely then
Chance
ShowersFriday
High: 55 °F
Breezy.
Partly Sunny
then Chance
ShowersFriday Night
Low: 36 °F
Decreasing
CloudsSaturday
High: 58 °F
Areas Frost
then SunnySaturday Night
Low: 34 °F
Clear then
Areas FrostSunday
High: 68 °F
Frost then
SunnySunday Night
Low: 38 °F
Mostly Clear
Monday
High: 73 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers and thunderstorms, mainly before 4pm. High near 76. South southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Mostly cloudy, with a low around 46. Southwest wind 13 to 18 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly after 4pm. Partly sunny, with a high near 55. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North wind 10 to 17 mph, with gusts as high as 25 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. North wind around 6 mph becoming calm in the morning.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 68. South wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 77.
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)
12:36 pm CDT Oct 15, 2026
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
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