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.

Fog/Mist

51°F

11°C

Humidity 92%
Wind Speed S 9 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 49°F (9°C)
Visibility 4.00 mi
Wind Chill48°F (9°C)
Last update 20 Nov 2:54 pm CST
Extended Forecast for

3 Miles NNE Shelbyville IL

  • This Afternoon

    This Afternoon: Patchy drizzle before 5pm, then a slight chance of rain after 5pm. Cloudy, with a high near 52. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 52 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Rain likely, mainly after 4am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 49. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: Rain. Patchy fog before noon. High near 54. Light east northeast wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38. North northeast wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 53. North wind around 5 mph becoming calm in the morning.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Calm wind becoming west southwest around 5 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

This Afternoon
Patchy drizzle before 5pm, then a slight chance of rain after 5pm. Cloudy, with a high near 52. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Rain likely, mainly after 4am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 49. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. Patchy fog before noon. High near 54. Light east northeast wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38. North northeast wind around 6 mph.
Saturday
Sunny, with a high near 53. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 34. Calm wind.
Sunday
Sunny, with a high near 58. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Monday Night
Rain. Low around 46. Chance of precipitation is 80%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Shelbyville IL
 39.44°N 88.79°W (Elev. 673 ft)
Last Update:
3:16 pm CST Nov 20, 2025
Forecast Valid:
3pm CST Nov 20, 2025-6pm CST Nov 26, 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