Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy

56°F

13°C

Humidity 72%
Wind Speed N 5 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 14 Oct 5:54 am CDT
Extended Forecast for

2 Miles SW Decatur IL

  • Today

    Today: Mostly sunny, with a high near 81. East northeast wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Northeast wind 6 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. North northeast wind 3 to 6 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. East wind around 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Southeast wind 6 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Southeast wind around 9 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 82. South wind 9 to 13 mph, with gusts as high as 17 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers likely, mainly after 1pm.  Partly sunny, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 81. East northeast wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 58. Northeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 78. North northeast wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 57. East wind around 6 mph.
Thursday
Mostly sunny, with a high near 79. Southeast wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 57. Southeast wind around 9 mph.
Friday
Partly sunny, with a high near 82. South wind 9 to 13 mph, with gusts as high as 17 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Saturday
Showers likely, mainly after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Decatur IL
 39.84°N 88.97°W (Elev. 676 ft)
4:36 am CDT Oct 14, 2025
6am CDT Oct 14, 2025-6pm CDT Oct 20, 2025
 
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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