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

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

15°F

-9°C

Humidity 77%
Wind Speed W 8 mph
Barometer 30.42 in (1031.3 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 31 Jan 10:54 pm CST
Extended Forecast for

Oreana IL

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values between -2 and -7. Northwest wind 3 to 6 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 24. Wind chill values between -3 and 7. Light west southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 24 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. South wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Likely
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 32. West wind 7 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West wind around 6 mph becoming light and variable.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 27. North wind 6 to 9 mph.

    High: 27 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 9. North northeast wind 6 to 8 mph.

    Low: 9 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 1. Wind chill values between -2 and -7. Northwest wind 3 to 6 mph.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 24. Wind chill values between -3 and 7. Light west southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16. South wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 32. West wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 18. West wind around 6 mph becoming light and variable.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 27. North wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 9. North northeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 26.
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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:
9:27 pm CST Jan 31, 2026
Forecast Valid:
11pm CST Jan 31, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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