Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair and Breezy

53°F

12°C

Humidity 41%
Wind Speed E 21 mph
Barometer 29.96 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Mar 4:54 pm CDT
Extended Forecast for

2 Miles S Macon IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East southeast wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 63. Windy, with a south wind 22 to 32 mph, with gusts as high as 48 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Windy. Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 11pm, then snow showers, possibly mixed with rain between 11pm and 1am, then a chance of snow after 1am. Some thunder is also possible.  Patchy blowing snow after 1am. Low around 19. Wind chill values between 4 and 14. Blustery, with a west northwest wind 25 to 29 mph, with gusts as high as 44 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm.  Areas of blowing snow. Mostly cloudy, with a high near 25. Wind chill values between 2 and 7. Blustery, with a west northwest wind 26 to 29 mph, with gusts as high as 44 mph.

    High: 25 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West northwest wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am.  Mostly cloudy, with a low around 26. South southeast wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 60%.

    Low: 26 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. East southeast wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 63. Windy, with a south wind 22 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 11pm, then snow showers, possibly mixed with rain between 11pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Patchy blowing snow after 1am. Low around 19. Wind chill values between 4 and 14. Blustery, with a west northwest wind 25 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 25. Wind chill values between 2 and 7. Blustery, with a west northwest wind 26 to 29 mph, with gusts as high as 44 mph.
Monday Night
Mostly cloudy, with a low around 10. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 30. West northwest wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. South southeast wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Macon IL
 39.67°N 89.01°W (Elev. 643 ft)
4:36 pm CDT Mar 14, 2026
5pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
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Additional Resources

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