Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Rain Fog/Mist

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 50°F (10°C)
Visibility 2.50 mi
Last update 5 Mar 10:54 am CST
Extended Forecast for

2 Miles SW Warrensburg IL

  • Today

    Today: A 20 percent chance of rain before 1pm.  Areas of fog before 3pm.  Otherwise, mostly cloudy, with a high near 60. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.

    High: 60 °F

    Slight Chance
    Rain and
    Areas Fog

  • Tonight

    Tonight: A 40 percent chance of rain after 3am.  Widespread fog, mainly before 3am.  Otherwise, mostly cloudy, with a low around 50. Light and variable wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 16 mph.

    Low: 50 °F

    Fog then
    Chance Rain
    and Fog

  • Friday

    Friday: Rain and thunderstorms likely before 10am, then a slight chance of showers after noon.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 76. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight.  Low around 58. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers before noon.  Mostly cloudy, with a temperature rising to near 62 by 8am, then falling to around 53 during the remainder of the day. Breezy, with a southwest wind 14 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 62 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 6 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 1pm. Areas of fog before 3pm. Otherwise, mostly cloudy, with a high near 60. Northwest wind 5 to 7 mph becoming south southwest in the afternoon.
Tonight
A 40 percent chance of rain after 3am. Widespread fog, mainly before 3am. Otherwise, mostly cloudy, with a low around 50. Light and variable wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 16 mph.
Friday
Rain and thunderstorms likely before 10am, then a slight chance of showers after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Breezy, with a south wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers before noon. Mostly cloudy, with a temperature rising to near 62 by 8am, then falling to around 53 during the remainder of the day. Breezy, with a southwest wind 14 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 61. Southwest wind 6 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 73.
Monday Night
A 40 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 57.
Tuesday
Showers. Mostly cloudy, with a high near 72. Breezy.
Tuesday Night
Showers. Cloudy, with a low around 48. Breezy.
Wednesday
Showers likely. Mostly cloudy, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Warrensburg IL
 39.91°N 89.08°W (Elev. 673 ft)
11:36 am CST Mar 5, 2026
11am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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