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

69°F

21°C

Humidity 81%
Wind Speed SW 8 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 May 8:54 pm CDT
Extended Forecast for

2 Miles ESE Oakley IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 78 °F

    Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 58. Light and variable wind.

    Low: 58 °F

    Increasing
    Clouds

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 80. East southeast wind 5 to 9 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. East southeast wind 5 to 7 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. East wind 7 to 11 mph, with gusts as high as 16 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East southeast wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. South wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming north around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 58. Light and variable wind.
Memorial Day
Partly sunny, with a high near 80. East southeast wind 5 to 9 mph.
Monday Night
Mostly cloudy, with a low around 62. East southeast wind 5 to 7 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. East wind 7 to 11 mph, with gusts as high as 16 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East southeast wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61.
Friday
A chance of showers. Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Oakley IL
 39.84°N 88.8°W (Elev. 689 ft)
Last Update:
7:46 pm CDT May 23, 2026
Forecast Valid:
9pm CDT May 23, 2026-6pm CDT May 30, 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