Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
35°F
2°C
| Humidity | 93% |
| Wind Speed | S 12 mph |
| Barometer | 29.95 in (1014.9 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 6.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 7 Dec 2:54 am CST |
Extended Forecast for
2 Miles SE Mount Zion IL
Winter Weather Advisory until December 7, 06:00am
NOW until 6:00am Sun

Winter Weather Advisory
Overnight

Low: 34 °F
Slight Chance
Rain and
Areas FogSunday

High: 33 °F
Areas Fog
Sunday Night

Low: 16 °F
Mostly Cloudy
Monday

High: 28 °F
Decreasing
CloudsMonday Night

Low: 17 °F
Mostly Cloudy
Tuesday

High: 43 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Breezy.
Cloudy then
Chance RainWednesday

High: 41 °F
Mostly Cloudy
and Breezy
Detailed Forecast
Overnight
A 20 percent chance of rain before 4am. Areas of fog. Otherwise, cloudy, with a steady temperature around 34. South wind around 7 mph.
Sunday
Areas of fog before 1pm. Otherwise, cloudy, with a high near 33. South wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 16. North wind 7 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 28. North northeast wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
Mostly cloudy, with a low around 17. South wind 5 to 10 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 24 mph.
Tuesday
Partly sunny, with a high near 43. Southwest wind 14 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 41. Breezy.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
Partly sunny, with a high near 14.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SE Mount Zion IL
39.75°N 88.86°W (Elev. 709 ft)
39.75°N 88.86°W (Elev. 709 ft)
1:21 am CST Dec 7, 2025
3am CST Dec 7, 2025-6pm CST Dec 13, 2025



