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Hazardous Weather Conditions

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 SE Cisco IL

Flood Warning June 19, 12:34am until June 22, 08:30am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning June 19, 12:34am until June 22, 08:30am

    NOW until 8:30am Mon

    Flood Warning

  • Overnight

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 59. West northwest wind around 6 mph becoming light and variable.

    Low: 59 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 80. West wind 5 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Light and variable wind becoming east around 6 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 77. East 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: 77 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 61. Breezy, with an east southeast wind 17 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 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 55. West wind 3 to 5 mph.
Juneteenth
Sunny, with a high near 77. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Increasing clouds, with a low around 59. West northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 80. West wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 61. Light and variable wind becoming east around 6 mph after midnight.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 77. East 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 an east southeast wind 17 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 74.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Cisco IL
 39.99°N 88.67°W (Elev. 633 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