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.

Partly Cloudy

53°F

12°C

Humidity 45%
Wind Speed S 8 mph
Barometer 30.20 in (1022.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 2 Nov 1:54 pm CST
Extended Forecast for

Bethany IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. Southwest wind around 7 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. South southwest wind 6 to 9 mph.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 29 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 37. South southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 62. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 35. Light and variable wind.
Tuesday
Mostly sunny, with a high near 67. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 48. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 62.
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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:
2:51 pm CST Nov 2, 2025
Forecast Valid:
2pm CST Nov 2, 2025-6pm CST Nov 8, 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