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.

Overcast

70°F

21°C

Humidity 82%
Wind Speed NE 5 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Jun 2:54 pm CDT
Extended Forecast for

Macon IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. North wind around 6 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 64. East southeast wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. South wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 79. Southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. North wind around 6 mph.
Tonight
Partly cloudy, with a low around 64. East southeast wind 3 to 6 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. South wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. South wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 79. Southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Macon IL
 39.71°N 89.01°W (Elev. 699 ft)
Last Update:
2:25 pm CDT Jun 2, 2024
Forecast Valid:
3pm CDT Jun 2, 2024-6pm CDT Jun 8, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation