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

71°F

22°C

Humidity 35%
Wind Speed S 10 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 19 Mar 1:54 pm CDT
Extended Forecast for

2 Miles E Elwin IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. South wind around 7 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. South southeast wind 6 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming east northeast after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. East wind 5 to 8 mph becoming southwest in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Breezy, with a south southwest wind 14 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 80 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. South wind around 7 mph.
Tonight
Partly cloudy, with a low around 48. South southeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 76. Southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming east northeast after midnight.
Saturday
Sunny, with a high near 75. East wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 80. Breezy, with a south southwest wind 14 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Elwin IL
 39.8°N 88.91°W (Elev. 656 ft)
Last Update:
1:26 pm CDT Mar 19, 2026
Forecast Valid:
2pm CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation