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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

63°F

17°C

Humidity 54%
Wind Speed W 5 mph
Barometer 29.75 in (1007.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Jun 10:54 pm CDT
Extended Forecast for

Bethany IL

Wind Advisory June 17, 01:00pm until June 17, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 10am. Mostly sunny, with a high near 85. Breezy, with a south southwest wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 85 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Low around 64. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Heavy Rain
    and Breezy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 74. West northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West northwest wind 3 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Light and variable wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 10am. Mostly sunny, with a high near 85. Breezy, with a south southwest wind 7 to 12 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Low around 64. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Mostly sunny, with a high near 74. West northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 55. West northwest wind 3 to 8 mph.
Juneteenth
Sunny, with a high near 77. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62.
Monday
A chance of showers. Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bethany IL
 39.64°N 88.75°W (Elev. 650 ft)
Last Update:
9:31 pm CDT Jun 16, 2026
Forecast Valid:
11pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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