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.

Fair

76°F

24°C

Humidity 35%
Wind Speed W 20 G 31 mph
Barometer 29.69 in (1004.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jun 5:54 pm CDT
Extended Forecast for

Oreana IL

Wind Advisory June 17, 01:00pm until June 17, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a south southeast wind 9 to 14 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 84 °F

    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 63. Breezy, with a west wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Heavy Rain
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 74. West northwest wind 14 to 16 mph, with gusts as high as 22 mph.

    High: 74 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West northwest wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Northwest wind 6 to 13 mph, with gusts as high as 17 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 23 mph.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a south southeast wind 9 to 14 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 63. Breezy, with a west wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Increasing clouds, with a high near 74. West northwest wind 14 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 56. West northwest wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 77. Northwest wind 6 to 13 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oreana IL
 39.93°N 88.88°W (Elev. 682 ft)
Last Update:
6:26 pm CDT Jun 16, 2026
Forecast Valid:
6pm CDT Jun 16, 2026-6pm CDT Jun 23, 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