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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

66°F

19°C

Humidity 56%
Wind Speed Calm
Barometer 30.13 in (1019.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 8 Oct 9:54 am CDT
Extended Forecast for

Bethany IL

  • Today

    Today: Sunny, with a high near 82. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. South southeast wind around 8 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 84. South wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 84 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. East southeast wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 75. East wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Light and variable wind becoming west around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 52. Calm wind becoming east southeast around 5 mph after midnight.
Friday
Sunny, with a high near 86. South wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 57. South southeast wind around 8 mph.
Saturday
Increasing clouds, with a high near 84. South wind 7 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. East southeast wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 75. East wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 55.
Columbus Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bethany IL
 39.64°N 88.75°W (Elev. 650 ft)
Last Update:
9:36 am CDT Oct 8, 2026
Forecast Valid:
10am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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