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

63°F

17°C

Humidity 87%
Wind Speed Calm
Barometer 29.92 in (1012.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Jun 11:54 pm CDT
Extended Forecast for

3 Miles E Long Creek IL

  • Overnight

    Overnight: Mostly clear, with a low around 55. Light west wind.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 78. West northwest wind 5 to 9 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. West northwest wind around 6 mph becoming light and variable.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. North northwest wind 5 to 8 mph becoming west in the morning.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Light and variable wind becoming east 5 to 7 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 78. Southeast wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 78 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Breezy, with a southeast wind 16 to 20 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 61 °F

    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Light west wind.
Juneteenth
Sunny, with a high near 78. West northwest wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 60. West northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 81. North northwest wind 5 to 8 mph becoming west in the morning.
Saturday Night
Partly cloudy, with a low around 61. Light and variable wind becoming east 5 to 7 mph after midnight.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 78. Southeast wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Breezy, with a southeast wind 16 to 20 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Long Creek IL
 39.79°N 88.8°W (Elev. 699 ft)
Last Update:
12:01 am CDT Jun 19, 2026
Forecast Valid:
12am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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