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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
64°F
18°C
| Humidity | 87% |
| Wind Speed | NE 8 mph |
| Barometer | 30.08 in (1018.0 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 4:54 am CDT |
Extended Forecast for
2 Miles W Decatur IL
Overnight

Low: 62 °F
Slight Chance
ShowersThursday

High: 76 °F
Showers
Thursday Night

Low: 46 °F
Showers
Likely and
BreezyFriday
High: 55 °F
Breezy.
Partly Sunny
then Chance
ShowersFriday Night

Low: 37 °F
Decreasing
CloudsSaturday

High: 58 °F
Patchy Frost
then SunnySaturday Night

Low: 36 °F
Clear then
Areas FrostSunday

High: 68 °F
Areas Frost
then SunnySunday Night

Low: 39 °F
Mostly Clear
Detailed Forecast
Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 62. East wind around 7 mph.
Thursday
Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. High near 76. East wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 46. Breezy, with a southwest wind 14 to 21 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers after 4pm. Partly sunny, with a high near 55. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday
Patchy 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 5am. Otherwise, clear, with a low around 36. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Decatur IL
39.84°N 88.97°W (Elev. 676 ft)
39.84°N 88.97°W (Elev. 676 ft)
3:36 am CDT Oct 15, 2026
5am CDT Oct 15, 2026-6pm CDT Oct 21, 2026



