Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
62°F
17°C
| Humidity | 38% |
| Wind Speed | N 14 mph |
| Barometer | 30.04 in (1017.1 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 13 May 7:54 pm CDT |
Extended Forecast for
Elwin IL
Tonight

Low: 43 °F
Clear
Thursday

High: 71 °F
Sunny
Thursday Night
Low: 52 °F
Partly Cloudy
then Chance
T-stormsFriday

High: 75 °F
Showers
Likely and
BreezyFriday Night
Low: 62 °F
Partly Cloudy
then Chance
T-stormsSaturday

High: 81 °F
T-storms
LikelySaturday Night

Low: 63 °F
T-storms
LikelySunday
High: 83 °F
Mostly Sunny
then Mostly
Sunny and
BreezySunday Night

Low: 68 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 43. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Thursday
Sunny, with a high near 71. Light and variable wind.
Thursday Night
A slight chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 52. South southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 81. Southwest wind 9 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 63. Southwest wind around 9 mph becoming south southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 83. Breezy.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Breezy.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers. Partly sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Elwin IL
39.8°N 88.94°W (Elev. 699 ft)
39.8°N 88.94°W (Elev. 699 ft)
7:51 pm CDT May 13, 2026
8pm CDT May 13, 2026-6pm CDT May 20, 2026


