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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

60°F

16°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 29.85 in (1010.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Jun 4:54 am CDT
Extended Forecast for

Elwin IL

  • Today

    Today: Showers and thunderstorms, mainly before 3pm. High near 75. Southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. Breezy, with a south wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am. Low around 63. Breezy, with a west southwest wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. West northwest wind 13 to 16 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Northwest wind 5 to 9 mph becoming light west northwest.

    Low: 56 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Northwest wind 6 to 11 mph, with gusts as high as 16 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm. High near 75. Southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 54. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 21 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 82. Breezy, with a south wind 9 to 14 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph.
Wednesday Night
Showers and possibly a thunderstorm before 1am. Low around 63. Breezy, with a west southwest wind 15 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Mostly sunny, with a high near 73. West northwest wind 13 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 56. Northwest wind 5 to 9 mph becoming light west northwest.
Juneteenth
Sunny, with a high near 77. Northwest wind 6 to 11 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80.
Sunday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elwin IL
 39.78°N 88.97°W (Elev. 705 ft)
Last Update:
4:46 am CDT Jun 16, 2026
Forecast Valid:
5am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation