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

60°F

16°C

Humidity 93%
Wind Speed SW 14 G 23 mph
Barometer 29.78 in (1008.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 8:54 am CST
Extended Forecast for

5 Miles ESE Moweaqua IL

  • Today

    Today: A 30 percent chance of showers, mainly before 11am. Cloudy, with a temperature falling to around 49 by 5pm. Breezy, with a south southwest wind 16 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F⇓

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 6 to 14 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Mostly Sunny
    then Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 49. Breezy. Chance of precipitation is 90%.

    Low: 49 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.

    High: 60 °F

    Breezy.
    Showers then
    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 11am. Cloudy, with a temperature falling to around 49 by 5pm. Breezy, with a south southwest wind 16 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 61. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 44. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 72. South southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 56. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 49. Breezy. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. High near 60. Breezy. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Moweaqua IL
 39.6°N 88.93°W (Elev. 659 ft)
Last Update:
8:36 am CST Mar 7, 2026
Forecast Valid:
9am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation