Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

47°F

8°C

Humidity 71%
Wind Speed N 8 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Jan 12:54 pm CST
Extended Forecast for

Warrensburg IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 3am.  Mostly cloudy, with a low around 36. Light and variable wind becoming northeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain and snow likely before 11am, then a chance of rain between 11am and 5pm, then a slight chance of snow after 5pm.  Cloudy through mid morning, then gradual clearing, with a high near 42. Breezy, with a west northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 31 mph.

    Low: 22 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Breezy, with a west northwest wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A 40 percent chance of rain after 3am. Mostly cloudy, with a low around 36. Light and variable wind becoming northeast around 5 mph after midnight.
Saturday
Rain and snow likely before 11am, then a chance of rain between 11am and 5pm, then a slight chance of snow after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Breezy, with a west northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Partly cloudy, with a low around 22. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 31 mph.
Sunday
Mostly sunny, with a high near 34. Breezy, with a west northwest wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Mostly clear, with a low around 24. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 45. West southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 31.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Warrensburg IL
 39.93°N 89.05°W (Elev. 699 ft)
1:17 pm CST Jan 9, 2026
1pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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