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

75°F

24°C

Humidity 90%
Wind Speed S 5 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 16 Jul 12:54 am CDT
Extended Forecast for

4 Miles SSE Bethany IL

  • Overnight

    Overnight: Isolated showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 71. Light south wind. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 5 to 8 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. North northwest wind around 5 mph becoming northeast after midnight.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. East wind 3 to 5 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light south southeast wind.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 71. Light south wind. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 5 to 9 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 5 to 8 mph.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. North northwest wind around 5 mph becoming northeast after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. East wind 3 to 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light south southeast wind.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Bethany IL
 39.59°N 88.7°W (Elev. 676 ft)
Last Update:
5:56 pm CDT Jul 15, 2025
Forecast Valid:
1am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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