Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

49°F

9°C

Humidity 61%
Wind Speed W 9 mph
Barometer 29.70 in (1006.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Jan 6:54 pm CST
Extended Forecast for

Bethany IL

  • Tonight

    Tonight: Cloudy, with a low around 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles and flurries before 8am, then a chance of flurries between 8am and 3pm.  Partly sunny, with a temperature falling to around 25 by 5pm. Breezy, with a north northwest wind 16 to 22 mph, with gusts as high as 34 mph.

    High: 35 °F

    Breezy.
    Chance
    Sprinkles/Flurries
    then Chance
    Flurries

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 14. Wind chill values between 2 and 10. North northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 27. Wind chill values between 2 and 12. North northwest wind 7 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 27 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Increasing clouds, with a temperature rising to around 29 by 5am. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 38. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 38 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. West northwest wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of sprinkles and flurries before 8am, then a chance of flurries between 8am and 3pm. Partly sunny, with a temperature falling to around 25 by 5pm. Breezy, with a north northwest wind 16 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 14. Wind chill values between 2 and 10. North northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 27. Wind chill values between 2 and 12. North northwest wind 7 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 50 percent chance of snow. Increasing clouds, with a temperature rising to around 29 by 5am. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Friday
Mostly cloudy, with a high near 38. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 14. West northwest wind 13 to 15 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 20.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Bethany IL
 39.64°N 88.75°W (Elev. 650 ft)
6:56 pm CST Jan 13, 2026
7pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database