Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

39°F

4°C

Humidity 86%
Wind Speed W 7 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Mar 1:54 am CDT
Extended Forecast for

Elwin IL

  • Overnight

    Overnight: Partly cloudy, with a low around 35. West southwest wind around 8 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after noon.  Increasing clouds, with a high near 78. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Partly Sunny
    then T-storms
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 51. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 51 °F

    Breezy.
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers.  High near 63. Breezy.  Chance of precipitation is 100%.

    High: 63 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Blustery.

    Low: 28 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. West southwest wind around 8 mph.
Sunday
Sunny, with a high near 62. Southwest wind 9 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 43. South southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 58. South wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday
Showers and thunderstorms likely after noon. Increasing clouds, with a high near 78. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 51. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Showers. High near 63. Breezy. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 28. Blustery.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Partly sunny, with a high near 59. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Elwin IL
 39.78°N 88.97°W (Elev. 705 ft)
12:26 am CST Mar 8, 2026
1am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
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