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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 30.35 in (1027.9 mb)
Dewpoint 42°F (6°C)
Visibility 9.00 mi
Last update 11 Apr 1:54 am CDT
Extended Forecast for

2 Miles E Elwin IL

  • Overnight

    Overnight: Mostly clear, with a low around 42. East northeast wind around 6 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 66. East wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 66 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. Breezy, with a south southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 79 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southwest wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65. South southwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 42. East northeast wind around 6 mph.
Saturday
Increasing clouds, with a high near 66. East wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 56. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 79. Breezy, with a south southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Breezy, with a south southwest wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South southwest wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 65. South southwest wind around 16 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 63.
Thursday
Showers likely. Mostly cloudy, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 79.
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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:
1:45 am CDT Apr 11, 2026
Forecast Valid:
2am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation