Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

66°F

19°C

Humidity 56%
Wind Speed S 12 G 22 mph
Barometer 29.65 in (1003.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Jun 7:54 am CDT
Extended Forecast for

2 Miles NW Elwin IL

Tornado Watch until June 17, 03:00pm
Wind Advisory June 17, 01:00pm until June 17, 07:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch until June 17, 03:00pm

    NOW until 3:00pm Wed

    Tornado Watch

  • Today

    High: 83 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm. Some of the storms could be severe.  Low around 62. Breezy, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 33 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Severe
    Thunderstorms
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. West northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. West northwest wind 3 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West southwest wind 5 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm. Some of the storms could be severe. High near 83. Breezy, with a south southeast wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Low around 62. Breezy, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 73. West northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 56. West northwest wind 3 to 8 mph.
Juneteenth
Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 82. West southwest wind 5 to 7 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 62. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Elwin IL
 39.8°N 88.97°W (Elev. 699 ft)
7:51 am CDT Jun 17, 2026
8am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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