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.

Mostly Cloudy

72°F

22°C

Humidity 91%
Wind Speed Calm
Barometer 29.99 in (1014.9 mb)
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 16 Jun 4:54 am CDT
Extended Forecast for

Oreana IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 83. Light and variable wind becoming south southeast 5 to 7 mph in the morning.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 67. South wind 3 to 6 mph.

    Low: 67 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 70. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly cloudy, with a high near 84. South southwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 64. West southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West wind around 9 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 83. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 67. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 70. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly cloudy, with a high near 84. South southwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 64. West southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Juneteenth
Sunny, with a high near 83. West wind around 9 mph.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oreana IL
 39.95°N 88.85°W (Elev. 682 ft)
Last Update:
4:55 am CDT Jun 16, 2025
Forecast Valid:
5am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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