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.

Fog/Mist

66°F

19°C

Humidity 93%
Wind Speed SW 8 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 24 May 5:54 am CDT
Extended Forecast for

Maroa IL

  • Today

    Today: Showers and thunderstorms likely, mainly before 11am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 57. Northeast wind around 5 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Memorial Day

    Memorial Day: Patchy fog before 10am. Otherwise, sunny, with a high near 81. East wind 5 to 9 mph becoming south southeast in the morning.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. East southeast wind around 7 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. East wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. East southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 11am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 57. Northeast wind around 5 mph becoming light and variable in the evening.
Memorial Day
Patchy fog before 10am. Otherwise, sunny, with a high near 81. East wind 5 to 9 mph becoming south southeast in the morning.
Monday Night
Mostly clear, with a low around 59. East southeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 82. East wind 8 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. East southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Maroa IL
 40.04°N 88.96°W (Elev. 709 ft)
Last Update:
5:26 am CDT May 24, 2026
Forecast Valid:
6am CDT May 24, 2026-6pm CDT May 30, 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