Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
28°F
-2°C
| Humidity | 69% |
| Wind Speed | S 13 mph |
| Barometer | 30.05 in (1018.4 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 18 Mar 4:54 am CDT |
Extended Forecast for
2 Miles E Elwin IL
Overnight

Low: 24 °F
Slight Chance
SnowWednesday
High: 53 °F
Slight Chance
Snow then
SunnyWednesday Night

Low: 37 °F
Increasing
CloudsThursday

High: 64 °F
Decreasing
CloudsThursday Night

Low: 43 °F
Partly Cloudy
Friday

High: 73 °F
Partly Sunny
Friday Night

Low: 48 °F
Mostly Cloudy
Saturday

High: 74 °F
Mostly Sunny
Saturday Night

Low: 51 °F
Mostly Clear
Detailed Forecast
Overnight
A 20 percent chance of snow. Cloudy, with a low around 24. South southeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 10 percent chance of snow before 7am. Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Increasing clouds, with a low around 37. Light and variable wind becoming south around 6 mph after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 6 to 9 mph becoming northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Northeast wind around 7 mph becoming south southeast after midnight.
Friday
Partly sunny, with a high near 73. South wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph.
Friday Night
Mostly cloudy, with a low around 48. West southwest wind 6 to 8 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Mostly cloudy, with a high near 49.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 54.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles E Elwin IL
39.8°N 88.91°W (Elev. 656 ft)
39.8°N 88.91°W (Elev. 656 ft)
4:46 am CDT Mar 18, 2026
5am CDT Mar 18, 2026-6pm CDT Mar 24, 2026



