National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

A Few Clouds

73°F

23°C

Humidity 96%
Wind Speed N 6 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 27 Jun 9:54 pm CDT
Extended Forecast for

Moweaqua IL

Heat Advisory June 28, 01:00pm until June 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Light east wind.

    Low: 70 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 90. Heat index values as high as 103. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South southeast wind 7 to 9 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 7 to 11 mph, with gusts as high as 17 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. South wind 6 to 10 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Light east wind.
Sunday
A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 90. Heat index values as high as 103. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 73. South southeast wind 7 to 9 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 8 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 73. South wind 7 to 11 mph, with gusts as high as 17 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 7 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Clear, with a low around 73. South wind 6 to 10 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 72.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 71.
Independence Day
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Moweaqua IL
 39.62°N 89.01°W (Elev. 620 ft)
Last Update:
9:36 pm CDT Jun 27, 2026
Forecast Valid:
10pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation