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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

73°F

23°C

Humidity 55%
Wind Speed Calm
Barometer 29.96 in (1014.2 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 11 Oct 6:54 pm CDT
Extended Forecast for

Mount Auburn IL

  • Tonight

    Tonight: Mostly clear, with a low around 63. South wind 3 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Southwest wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 71. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. West southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 68. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 80. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 60. Northeast wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 63. South wind 3 to 7 mph.
Columbus Day
Sunny, with a high near 91. Southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 71. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 91. West southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 68. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers. High near 80. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 60. Northeast wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 64. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Auburn IL
 39.76°N 89.26°W (Elev. 650 ft)
Last Update:
6:36 pm CDT Oct 11, 2026
Forecast Valid:
7pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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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