National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

47°F

8°C

Humidity 71%
Wind Speed Calm
Barometer 30.05 in (1018.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 18 Mar 8:54 pm CDT
Extended Forecast for

2 Miles E Elwin IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 67. South southeast wind around 6 mph becoming east in the afternoon.

    High: 67 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Light and variable wind becoming south around 6 mph in the evening.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. North northwest wind 6 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. North northwest wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Light and variable wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 67. South southeast wind around 6 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Light and variable wind becoming south around 6 mph in the evening.
Friday
Mostly sunny, with a high near 74. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 47. North northwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 74. North northwest wind 6 to 9 mph becoming west southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 54. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 73. Breezy.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Elwin IL
 39.8°N 88.91°W (Elev. 656 ft)
Last Update:
7:36 pm CDT Mar 18, 2026
Forecast Valid:
9pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation