National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Rain

54°F

12°C

Humidity 75%
Wind Speed NW 18 mph
Barometer 29.79 in (1009.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 11 Nov 4:54 pm CST
Extended Forecast for

Oreana IL

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain between 11am and 5pm. Mostly cloudy, with a high near 48. Breezy, with a north northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. North northwest wind 11 to 18 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. North northwest wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. Northwest wind 5 to 9 mph.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. North northwest wind around 6 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Light north northeast wind.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Thursday
A slight chance of rain between 11am and 5pm. Mostly cloudy, with a high near 48. Breezy, with a north northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 30. North northwest wind 11 to 18 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 43. North northwest wind 11 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 24. Northwest wind 5 to 9 mph.
Saturday
Sunny, with a high near 46. North northwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 24. Light north northeast wind.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Clear, with a low around 28.
Wednesday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oreana IL
 39.95°N 88.88°W (Elev. 682 ft)
Last Update:
3:56 pm CST Nov 11, 2026
Forecast Valid:
5pm CST Nov 11, 2026-6pm CST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation