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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
68°F
20°C
| Humidity | 78% |
| Wind Speed | W 6 mph |
| Barometer | 30.00 in (1015.2 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 4:54 am CDT |
Extended Forecast for
4 Miles S Niantic IL
Flood Watch June 21, 07:00am until June 22, 01:00am
Today
High: 80 °F
Slight Chance
Showers then
SunnyTonight
Low: 61 °F
Partly Cloudy
Sunday
High: 75 °F
Heavy Rain
Sunday Night
Low: 59 °F
Showers
Monday
High: 75 °F
Mostly Cloudy
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 61. Calm wind becoming east around 5 mph after midnight.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 8 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 59. South southwest wind 10 to 17 mph becoming north northeast in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Mostly cloudy, with a high near 75. North wind around 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 55. North northeast wind 5 to 9 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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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)
4:36 am CDT Jun 20, 2026
5am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
Additional Resources
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