Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

21°F

-6°C

Humidity 62%
Wind Speed SW 14 mph
Barometer 29.99 in (1016.6 mb)
Dewpoint 10°F (-12°C)
Visibility 8.00 mi
Wind Chill8°F (-13°C)
Last update 18 Jan 6:54 pm CST
Extended Forecast for

Bethany IL

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: A chance of flurries with a slight chance of snow before 8pm, then a chance of flurries between 8pm and 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -1 and -11. Blustery, with a southwest wind 13 to 23 mph becoming west northwest after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 20%.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 14. Wind chill values between -6 and -16. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 14 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Increasing clouds, with a low around 7. Wind chill values between -3 and 2. West southwest wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 7 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Wind chill values between -1 and 9. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. South wind 7 to 16 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 39. South southwest wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. West northwest wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries with a slight chance of snow before 8pm, then a chance of flurries between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -1 and -11. Blustery, with a southwest wind 13 to 23 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
M.L.King Day
Mostly sunny, with a high near 14. Wind chill values between -6 and -16. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 34 mph.
Monday Night
Increasing clouds, with a low around 7. Wind chill values between -3 and 2. West southwest wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values between -1 and 9. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 21. South wind 7 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 39. South southwest wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 17. West northwest wind 8 to 10 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Mostly cloudy, with a high near 19.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 14.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethany IL
 39.64°N 88.75°W (Elev. 650 ft)
6:36 pm CST Jan 18, 2026
7pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

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