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 and Breezy

71°F

22°C

Humidity 79%
Wind Speed S 23 G 44 mph
Barometer 29.66 in (1004.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Mar 8:54 pm CDT
Extended Forecast for

3 Miles E Bethany IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 51. South southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Showers

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then a chance of rain. Temperature falling to around 46 by 5pm. Breezy, with a southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F⇓

    Showers then
    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 28 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 49. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 55. Breezy, with a southwest wind 17 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph.

    High: 55 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind 6 to 9 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 51. South southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 2pm, then a chance of rain. Temperature falling to around 46 by 5pm. Breezy, with a southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Increasing clouds, with a high near 49. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.
Friday
Partly sunny, with a high near 55. Breezy, with a southwest wind 17 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind 6 to 9 mph becoming east after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 44.
Sunday
Rain. High near 59. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 17. Blustery.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Bethany IL
 39.63°N 88.67°W (Elev. 659 ft)
Last Update:
9:26 pm CDT Mar 10, 2026
Forecast Valid:
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation