Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain Fog/Mist
49°F
9°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 29.83 in (1010.2 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 1.25 mi |
| Last update | 25 Nov 1:54 am CST |
Extended Forecast for
3 Miles W Arthur IL
Overnight
Low: 47 °F
Rain and
Patchy FogTuesday
High: 56 °F
Chance
Drizzle and
Patchy Fog
then CloudyTuesday Night
Low: 32 °F
Chance Rain
then Mostly
Cloudy and
BreezyWednesday
High: 41 °F
Decreasing
Clouds and
BreezyWednesday Night
Low: 22 °F
Mostly Clear
Thanksgiving Day
High: 36 °F
Sunny
Thursday Night
Low: 17 °F
Mostly Clear
Friday
High: 34 °F
Sunny
Friday Night
Low: 24 °F
Mostly Cloudy
then Chance
Snow
Detailed Forecast
Overnight
Rain, mainly before 5am. Patchy fog. Low around 47. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of drizzle, mainly before 8am. Patchy fog before 11am. Otherwise, cloudy, with a high near 56. West wind 5 to 8 mph, with gusts as high as 16 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 9pm. Mostly cloudy, with a low around 32. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Breezy, with a west wind 18 to 25 mph, with gusts as high as 41 mph.
Wednesday Night
Mostly clear, with a low around 22. West northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Thanksgiving Day
Sunny, with a high near 36. West northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 17. West northwest wind 6 to 13 mph.
Friday
Sunny, with a high near 34.
Friday Night
A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 24.
Saturday
Snow likely before noon, then rain and snow likely. Cloudy, with a high near 36. Chance of precipitation is 70%.
Saturday Night
Rain and snow likely. Cloudy, with a low around 25.
Sunday
A chance of rain. Mostly cloudy, with a high near 39.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 21.
Monday
A chance of rain. Mostly cloudy, with a high near 37.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles W Arthur IL
39.72°N 88.52°W (Elev. 682 ft)
39.72°N 88.52°W (Elev. 682 ft)
2:36 am CST Nov 25, 2025
2am CST Nov 25, 2025-6pm CST Dec 1, 2025
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