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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

65°F

18°C

Humidity 84%
Wind Speed SE 9 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Oct 7:54 am CDT
Extended Forecast for

Bethany IL

  • Today

    Today: Showers and possibly a thunderstorm.  High near 77. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am.  Mostly cloudy, with a low around 45. Breezy, with a southwest wind 11 to 20 mph becoming northwest after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers after 4pm.  Partly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 31 mph.

    High: 55 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58. North wind 5 to 7 mph becoming calm  in the afternoon.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am.  Otherwise, clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 68. South wind 3 to 8 mph.

    High: 68 °F

    Frost then
    Sunny

  • Sunday Night

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

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 77. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 11 to 20 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers after 4pm. Partly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. Light and variable wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 68. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethany IL
 39.64°N 88.75°W (Elev. 650 ft)
7:36 am CDT Oct 15, 2026
7am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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