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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

2 Miles WNW Decatur IL

  • Overnight

    Overnight: Partly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 6 to 8 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. West wind 7 to 9 mph.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. Northeast wind around 7 mph.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 82. East northeast wind around 6 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southeast wind 3 to 6 mph.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. Light south wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 6 to 8 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. West wind 7 to 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. Northeast wind around 7 mph.
Friday
Partly sunny, with a high near 82. East northeast wind around 6 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southeast wind 3 to 6 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Decatur IL
 39.86°N 88.97°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