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.

Partly Cloudy

64°F

18°C

Humidity 30%
Wind Speed S 17 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Mar 4:54 pm CDT
Extended Forecast for

3 Miles SE Cisco IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. South southwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 78 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy, with a southwest wind 20 to 26 mph, with gusts as high as 40 mph.

    High: 81 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 47. Southwest wind 15 to 17 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 56. East northeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 45. Breezy, with an east northeast wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers. High near 64. Breezy. Chance of precipitation is 80%.

    High: 64 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. South southwest wind around 15 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 78. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 62. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 30 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy, with a southwest wind 20 to 26 mph, with gusts as high as 40 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 47. Southwest wind 15 to 17 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 56. East northeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 45. Breezy, with an east northeast wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 64. Breezy. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Breezy.
Saturday Night
Showers likely. Mostly cloudy, with a low around 46. Breezy.
Sunday
A chance of showers. Partly sunny, with a high near 59. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Cisco IL
 39.99°N 88.67°W (Elev. 633 ft)
Last Update:
2:51 pm CDT Mar 29, 2026
Forecast Valid:
5pm CDT Mar 29, 2026-6pm CDT Apr 5, 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