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.

A Few Clouds

80°F

27°C

Humidity 56%
Wind Speed N 16 G 23 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 1:54 pm CDT
Extended Forecast for

3 Miles WNW Cisco IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. North northwest wind around 14 mph, with gusts as high as 18 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. West southwest wind 3 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. South southwest wind around 6 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 80. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. Northeast wind 5 to 7 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Northeast wind around 7 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. North northwest wind around 14 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 60. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. West southwest wind 3 to 8 mph.
Tuesday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. South southwest wind around 6 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 80. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 61. Northeast wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 79. Northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 81.
Friday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cisco IL
 40.03°N 88.79°W (Elev. 676 ft)
Last Update:
1:46 pm CDT Aug 17, 2026
Forecast Valid:
2pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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