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

77°F

25°C

Humidity 88%
Wind Speed SW 7 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Aug 10:54 am CDT
Extended Forecast for

Moweaqua IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 88. South southwest wind 6 to 8 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 88. West northwest wind 6 to 9 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. North northwest wind 3 to 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. North northwest wind 5 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 88. South southwest wind 6 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 88. West northwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 68. North northwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 84. North northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 63. Light and variable wind.
Tuesday
Sunny, with a high near 86. Light and variable wind.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Wednesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Moweaqua IL
 39.62°N 89.01°W (Elev. 620 ft)
Last Update:
10:36 am CDT Aug 15, 2026
Forecast Valid:
11am CDT Aug 15, 2026-6pm CDT Aug 21, 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