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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair with Haze
77°F
25°C
| Humidity | 50% |
| Wind Speed | S 3 mph |
| Barometer | 29.95 in (1014.0 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 4.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 11 Oct 5:54 pm CDT |
Extended Forecast for
Weldon IL
Tonight
Low: 61 °F
Mostly Clear
Columbus Day
High: 89 °F
Sunny
Monday Night
Low: 71 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 67 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 79 °F
Showers
Wednesday Night
Low: 58 °F
Chance
ShowersThursday
High: 73 °F
Showers
Thursday Night
Low: 52 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 61. South wind 5 to 9 mph.
Columbus Day
Sunny, with a high near 89. Southwest wind 8 to 18 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 71. South southwest wind 13 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 14 to 17 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 67. West southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers. High near 79. East northeast wind 6 to 9 mph becoming west in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58. Northeast wind 11 to 14 mph.
Thursday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 73. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Partly cloudy, with a low around 37. Breezy.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Weldon IL
40.12°N 88.75°W (Elev. 709 ft)
40.12°N 88.75°W (Elev. 709 ft)
4:36 pm CDT Oct 11, 2026
6pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
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