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.

A Few Clouds

70°F

21°C

Humidity 84%
Wind Speed SW 8 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 Jun 12:54 am CDT
Extended Forecast for

4 Miles NNE Shelbyville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. West wind around 8 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. West northwest wind 6 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. South wind around 8 mph, with gusts as high as 17 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 74. South wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. West wind around 8 mph, with gusts as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 81. West northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 86. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 71. South wind around 8 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 90. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 74. South wind 7 to 9 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Shelbyville IL
 39.46°N 88.79°W (Elev. 653 ft)
Last Update:
12:41 am CDT Jun 19, 2025
Forecast Valid:
1am CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
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