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.

Fair

67°F

19°C

Humidity 57%
Wind Speed S 12 mph
Barometer 29.78 in (1008.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Nov 10:54 am CST
Extended Forecast for

3 Miles WNW Blue Mound IL

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 66. South southwest wind 9 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 48. North northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. North northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 43. North northwest wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. Light north northwest wind.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Veterans Day
Partly sunny, with a high near 66. South southwest wind 9 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
Partly cloudy, with a low around 39. Northwest wind 8 to 17 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 48. North northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 30. North northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 43. North northwest wind 9 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 24. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 46. Light north northwest wind.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Blue Mound IL
 39.72°N 89.18°W (Elev. 614 ft)
Last Update:
10:16 am CST Nov 11, 2026
Forecast Valid:
11am CST Nov 11, 2026-6pm CST Nov 17, 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