Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast and Breezy

68°F

20°C

Humidity 81%
Wind Speed S 25 G 35 mph
Barometer 29.48 in (998.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 28 Dec 12:54 pm CST
Extended Forecast for

Warrensburg IL

Wind Advisory December 28, 03:00pm until December 29, 03:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Some of the storms could be severe.  High near 67. Breezy, with a south southwest wind 21 to 26 mph becoming west. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: A slight chance of snow before 10pm, then a chance of flurries after midnight.  Mostly cloudy, with a low around 15. Wind chill values between -5 and 5. Windy, with a west wind 30 to 34 mph, with gusts as high as 48 mph.  Chance of precipitation is 20%.

    Low: 15 °F

    Windy. Slight
    Chance Snow
    then Chance
    Flurries

  • Monday

    Monday: A chance of flurries between 11am and 1pm.  Mostly sunny, with a high near 23. Wind chill values between -5 and 5. Windy, with a west northwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 23 °F

    Chance
    Flurries and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Wind chill values between -1 and 4. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. West southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. West northwest wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Some of the storms could be severe. High near 67. Breezy, with a south southwest wind 21 to 26 mph becoming west. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of snow before 10pm, then a chance of flurries after midnight. Mostly cloudy, with a low around 15. Wind chill values between -5 and 5. Windy, with a west wind 30 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 20%.
Monday
A chance of flurries between 11am and 1pm. Mostly sunny, with a high near 23. Wind chill values between -5 and 5. Windy, with a west northwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Winds could gust as high as 48 mph.
Monday Night
Partly cloudy, with a low around 13. Wind chill values between -1 and 4. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 30. West southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 35. West northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 20.
New Year's Day
Mostly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Warrensburg IL
 39.93°N 89.05°W (Elev. 699 ft)
1:26 pm CST Dec 28, 2025
1pm CST Dec 28, 2025-6pm CST Jan 3, 2026
 
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Additional Resources

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