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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog/Mist

79°F

26°C

Humidity 88%
Wind Speed SW 6 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 75°F (24°C)
Visibility 5.00 mi
Heat Index83°F (28°C)
Last update 26 Jul 10:54 am CDT
Extended Forecast for

Cerro Gordo IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 89. Heat index values as high as 103. South wind around 7 mph becoming west southwest in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. Southwest wind around 7 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 107. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. North wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. North northeast wind 6 to 11 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North northeast wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 89. Heat index values as high as 103. South wind around 7 mph becoming west southwest in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 107. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 74. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 87. North wind 10 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 64. North northeast wind 6 to 11 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 84. North northeast wind 7 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cerro Gordo IL
 39.9°N 88.74°W (Elev. 728 ft)
Last Update:
10:36 am CDT Jul 26, 2026
Forecast Valid:
11am CDT Jul 26, 2026-6pm CDT Aug 1, 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