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

40°F

4°C

Humidity 43%
Wind Speed S 20 G 35 mph
Barometer 29.60 in (1003.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 24 Feb 2:54 pm CST
Extended Forecast for

3 Miles ESE Bethany IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 42. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 42 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South southwest wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West northwest wind 6 to 9 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. Light and variable wind becoming east northeast 5 to 7 mph in the evening. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 46. East northeast wind 6 to 8 mph becoming west in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Light and variable wind becoming south southwest 5 to 7 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 42. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around 28. South southwest wind 6 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.
Wednesday
Mostly sunny, with a high near 46. West northwest wind 6 to 9 mph.
Wednesday Night
A chance of rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. Light and variable wind becoming east northeast 5 to 7 mph in the evening. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 46. East northeast wind 6 to 8 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 29. Light and variable wind becoming south southwest 5 to 7 mph after midnight.
Friday
Sunny, with a high near 59. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
Monday
A chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Bethany IL
 39.63°N 88.69°W (Elev. 623 ft)
Last Update:
2:36 pm CST Feb 24, 2026
Forecast Valid:
3pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation