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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

49°F

9°C

Humidity 86%
Wind Speed NE 3 mph
Barometer 30.11 in (1019.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Oct 2:54 am CDT
Extended Forecast for

3 Miles N Blue Mound IL

  • Overnight

    Overnight: Mostly clear, with a low around 50. Southeast wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 86. South southeast wind 5 to 13 mph, with gusts as high as 17 mph.

    High: 86 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 82. Southeast wind 7 to 10 mph.

    High: 82 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. East wind 6 to 9 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light and variable wind becoming north northwest around 6 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Southeast wind 3 to 5 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 86. South southeast wind 5 to 13 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 58. South southeast wind around 9 mph, with gusts as high as 15 mph.
Saturday
Mostly cloudy, with a high near 82. Southeast wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 57. East wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 79. Light and variable wind becoming north northwest around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 57. Light and variable wind.
Columbus Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Partly sunny, with a high near 79.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Blue Mound IL
 39.74°N 89.12°W (Elev. 600 ft)
Last Update:
2:05 am CDT Oct 9, 2026
Forecast Valid:
3am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation