Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

56°F

13°C

Humidity 46%
Wind Speed SW 13 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 May 9:54 am CDT
Extended Forecast for

Warrensburg IL

  • Today

    Today: Mostly sunny, with a high near 64. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers between 8pm and 10pm.  Partly cloudy, with a low around 47. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 67. South southwest wind 8 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am.  Cloudy during the early evening, then gradual clearing, with a low around 48. South wind 5 to 7 mph becoming west in the evening.  Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 77. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 52. West southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 65. North wind 9 to 16 mph, with gusts as high as 21 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. West southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tonight
A 20 percent chance of showers between 8pm and 10pm. Partly cloudy, with a low around 47. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Friday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 67. South southwest wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 48. South wind 5 to 7 mph becoming west in the evening. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 77. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. West southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.
Sunday
Partly sunny, with a high near 65. North wind 9 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
A chance of showers. Mostly sunny, with a high near 72. Breezy.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Warrensburg IL
 39.93°N 89.05°W (Elev. 699 ft)
10:36 am CDT May 7, 2026
10am CDT May 7, 2026-6pm CDT May 13, 2026
 
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