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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

43°F

6°C

Humidity 56%
Wind Speed NW 9 G 18 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Mar 11:54 am CDT
Extended Forecast for

6 Miles NNW Shelbyville IL

Wind Advisory March 12, 10:00pm until March 13, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. West southwest wind around 10 mph, with gusts as high as 17 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a west wind 18 to 24 mph, with gusts as high as 40 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. West northwest wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 16 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55. East southeast wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 55 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. East southeast wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 63. Breezy, with a south wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 21. Blustery. Chance of precipitation is 70%.

    Low: 21 °F

    Rain/Snow
    Likely and
    Blustery

  • Monday

    Monday: Mostly cloudy, with a high near 26. Blustery.

    High: 26 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

This Afternoon
Sunny, with a high near 49. West southwest wind around 10 mph, with gusts as high as 17 mph.
Tonight
Mostly cloudy, with a low around 40. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a west wind 18 to 24 mph, with gusts as high as 40 mph.
Friday Night
Mostly cloudy, with a low around 33. West northwest wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 55. East southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 47. East southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday
Rain, mainly after 1pm. High near 63. Breezy, with a south wind 16 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 21. Blustery. Chance of precipitation is 70%.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Shelbyville IL
 39.49°N 88.88°W (Elev. 676 ft)
Last Update:
12:36 pm CDT Mar 12, 2026
Forecast Valid:
12pm CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation