Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy

71°F

22°C

Humidity 68%
Wind Speed N 10 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 8:54 am CDT
Extended Forecast for

6 Miles ESE Moweaqua IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Mostly sunny, with a high near 80. West northwest wind 3 to 6 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Calm wind becoming east around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  High near 76. East southeast wind 8 to 16 mph becoming south in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  Low around 60. South southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 60 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: Partly sunny, with a high near 74. North wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. North northeast wind 5 to 9 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind 3 to 5 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. West northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 60. Calm wind becoming east around 5 mph after midnight.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 8 to 16 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 60. South southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 74. North wind 11 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 54. North northeast wind 5 to 9 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Moweaqua IL
 39.58°N 88.93°W (Elev. 669 ft)
8:36 am CDT Jun 20, 2026
9am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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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