National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

85°F

29°C

Humidity 40%
Wind Speed W 10 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 7 Oct 3:54 pm CDT
Extended Forecast for

2 Miles WSW Decatur IL

  • Tonight

    Tonight: Clear, with a low around 53. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. South southeast wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. South southeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87. South wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 58. East wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 53. Northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming calm.
Friday
Sunny, with a high near 85. South southeast wind 6 to 11 mph, with gusts as high as 17 mph.
Friday Night
Clear, with a low around 61. South southeast wind around 9 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 87. South wind 8 to 11 mph, with gusts as high as 17 mph.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58. East wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Decatur IL
 39.84°N 88.97°W (Elev. 676 ft)
Last Update:
1:26 pm CDT Oct 7, 2026
Forecast Valid:
4pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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